[{"type":"journal_article","status":"public","_id":"63451","project":[{"name":"PhoQuant: Photonische Quantencomputer -  Quantencomputing Testplattform","_id":"191"},{"_id":"239","name":"ERC-Grant: QuESADILLA: Quantum Engineering Superconducting Array Detectors in Low-Light Applications"}],"department":[{"_id":"15"},{"_id":"623"},{"_id":"288"}],"user_id":"27150","article_number":"016102","publication_identifier":{"issn":["2835-0103"]},"publication_status":"published","intvolume":"         3","citation":{"ama":"Schapeler T, Mischke I, Schlue F, et al. Practical considerations for assignment of photon numbers with SNSPDs. <i>APL Quantum</i>. 2026;3(1). doi:<a href=\"https://doi.org/10.1063/5.0304127\">10.1063/5.0304127</a>","chicago":"Schapeler, Timon, Isabell Mischke, Fabian Schlue, Michael Stefszky, Benjamin Brecht, Christine Silberhorn, and Tim Bartley. “Practical Considerations for Assignment of Photon Numbers with SNSPDs.” <i>APL Quantum</i> 3, no. 1 (2026). <a href=\"https://doi.org/10.1063/5.0304127\">https://doi.org/10.1063/5.0304127</a>.","ieee":"T. Schapeler <i>et al.</i>, “Practical considerations for assignment of photon numbers with SNSPDs,” <i>APL Quantum</i>, vol. 3, no. 1, Art. no. 016102, 2026, doi: <a href=\"https://doi.org/10.1063/5.0304127\">10.1063/5.0304127</a>.","apa":"Schapeler, T., Mischke, I., Schlue, F., Stefszky, M., Brecht, B., Silberhorn, C., &#38; Bartley, T. (2026). Practical considerations for assignment of photon numbers with SNSPDs. <i>APL Quantum</i>, <i>3</i>(1), Article 016102. <a href=\"https://doi.org/10.1063/5.0304127\">https://doi.org/10.1063/5.0304127</a>","bibtex":"@article{Schapeler_Mischke_Schlue_Stefszky_Brecht_Silberhorn_Bartley_2026, title={Practical considerations for assignment of photon numbers with SNSPDs}, volume={3}, DOI={<a href=\"https://doi.org/10.1063/5.0304127\">10.1063/5.0304127</a>}, number={1016102}, journal={APL Quantum}, publisher={AIP Publishing}, author={Schapeler, Timon and Mischke, Isabell and Schlue, Fabian and Stefszky, Michael and Brecht, Benjamin and Silberhorn, Christine and Bartley, Tim}, year={2026} }","short":"T. Schapeler, I. Mischke, F. Schlue, M. Stefszky, B. Brecht, C. Silberhorn, T. Bartley, APL Quantum 3 (2026).","mla":"Schapeler, Timon, et al. “Practical Considerations for Assignment of Photon Numbers with SNSPDs.” <i>APL Quantum</i>, vol. 3, no. 1, 016102, AIP Publishing, 2026, doi:<a href=\"https://doi.org/10.1063/5.0304127\">10.1063/5.0304127</a>."},"date_updated":"2026-03-25T08:00:27Z","oa":"1","volume":3,"author":[{"id":"55629","full_name":"Schapeler, Timon","orcid":"0000-0001-7652-1716","last_name":"Schapeler","first_name":"Timon"},{"last_name":"Mischke","full_name":"Mischke, Isabell","first_name":"Isabell"},{"last_name":"Schlue","full_name":"Schlue, Fabian","id":"63579","first_name":"Fabian"},{"first_name":"Michael","id":"42777","full_name":"Stefszky, Michael","last_name":"Stefszky"},{"id":"27150","full_name":"Brecht, Benjamin","orcid":"0000-0003-4140-0556 ","last_name":"Brecht","first_name":"Benjamin"},{"first_name":"Christine","full_name":"Silberhorn, Christine","id":"26263","last_name":"Silberhorn"},{"last_name":"Bartley","id":"49683","full_name":"Bartley, Tim","first_name":"Tim"}],"doi":"10.1063/5.0304127","main_file_link":[{"open_access":"1"}],"publication":"APL Quantum","abstract":[{"text":"<jats:p>Superconducting nanowire single-photon detectors (SNSPDs) can enable photon-number resolution (PNR) based on accurate measurements of the detector’s response time to few-photon optical pulses. In this work, we investigate the impact of the optical pulse shape and duration on the accuracy of this method. We find that Gaussian temporal pulse shapes yield cleaner arrival-time histograms and, thus, more accurate PNR, compared to bandpass-filtered pulses of equal bandwidth. For low system jitter and an optical pulse duration comparable to the other jitter contributions, photon numbers can be discriminated in our system with a commercial SNSPD. At 60 ps optical pulse duration, photon-number discrimination is significantly reduced. Furthermore, we highlight the importance of using the correct arrival-time histogram model when analyzing photon-number assignment. Using exponentially modified Gaussian distributions, instead of the commonly used Gaussian distributions, we can more accurately determine photon-number misidentification probabilities. Finally, we reconstruct the positive operator-valued measures of the detector, revealing sharp features that indicate the intrinsic PNR capabilities.</jats:p>","lang":"eng"}],"language":[{"iso":"eng"}],"issue":"1","year":"2026","publisher":"AIP Publishing","date_created":"2026-01-05T10:00:58Z","title":"Practical considerations for assignment of photon numbers with SNSPDs"},{"publication":"Advanced Photon Counting Techniques XIX","type":"conference","status":"public","editor":[{"full_name":"Itzler, Mark A.","last_name":"Itzler","first_name":"Mark A."},{"first_name":"K. Alex","last_name":"McIntosh","full_name":"McIntosh, K. Alex"},{"full_name":"Bienfang, Joshua C.","last_name":"Bienfang","first_name":"Joshua C."}],"department":[{"_id":"15"},{"_id":"623"}],"user_id":"55629","_id":"60587","project":[{"call_identifier":"ERC","grant_number":"101042399","_id":"239","name":"QuESADILLA: ERC-Grant: QuESADILLA: Quantum Engineering Superconducting Array Detectors in Low-Light Applications"},{"_id":"191","name":"PhoQuant--QCTest: PhoQuant: Photonische Quantencomputer -  Quantencomputing Testplattform","grant_number":"13N16103"}],"language":[{"iso":"eng"}],"publication_status":"published","citation":{"bibtex":"@inproceedings{Schapeler_Schlue_Stefszky_Brecht_Silberhorn_Bartley_2025, title={Optimizing photon-number resolution with superconducting nanowire multi-photon detectors}, DOI={<a href=\"https://doi.org/10.1117/12.3054905\">10.1117/12.3054905</a>}, booktitle={Advanced Photon Counting Techniques XIX}, publisher={SPIE}, author={Schapeler, Timon and Schlue, Fabian and Stefszky, Michael and Brecht, Benjamin and Silberhorn, Christine and Bartley, Tim}, editor={Itzler, Mark A. and McIntosh, K. Alex and Bienfang, Joshua C.}, year={2025} }","mla":"Schapeler, Timon, et al. “Optimizing Photon-Number Resolution with Superconducting Nanowire Multi-Photon Detectors.” <i>Advanced Photon Counting Techniques XIX</i>, edited by Mark A. Itzler et al., SPIE, 2025, doi:<a href=\"https://doi.org/10.1117/12.3054905\">10.1117/12.3054905</a>.","short":"T. Schapeler, F. Schlue, M. Stefszky, B. Brecht, C. Silberhorn, T. Bartley, in: M.A. Itzler, K.A. McIntosh, J.C. Bienfang (Eds.), Advanced Photon Counting Techniques XIX, SPIE, 2025.","apa":"Schapeler, T., Schlue, F., Stefszky, M., Brecht, B., Silberhorn, C., &#38; Bartley, T. (2025). Optimizing photon-number resolution with superconducting nanowire multi-photon detectors. In M. A. Itzler, K. A. McIntosh, &#38; J. C. Bienfang (Eds.), <i>Advanced Photon Counting Techniques XIX</i>. SPIE. <a href=\"https://doi.org/10.1117/12.3054905\">https://doi.org/10.1117/12.3054905</a>","ama":"Schapeler T, Schlue F, Stefszky M, Brecht B, Silberhorn C, Bartley T. Optimizing photon-number resolution with superconducting nanowire multi-photon detectors. In: Itzler MA, McIntosh KA, Bienfang JC, eds. <i>Advanced Photon Counting Techniques XIX</i>. SPIE; 2025. doi:<a href=\"https://doi.org/10.1117/12.3054905\">10.1117/12.3054905</a>","chicago":"Schapeler, Timon, Fabian Schlue, Michael Stefszky, Benjamin Brecht, Christine Silberhorn, and Tim Bartley. “Optimizing Photon-Number Resolution with Superconducting Nanowire Multi-Photon Detectors.” In <i>Advanced Photon Counting Techniques XIX</i>, edited by Mark A. Itzler, K. Alex McIntosh, and Joshua C. Bienfang. SPIE, 2025. <a href=\"https://doi.org/10.1117/12.3054905\">https://doi.org/10.1117/12.3054905</a>.","ieee":"T. Schapeler, F. Schlue, M. Stefszky, B. Brecht, C. Silberhorn, and T. Bartley, “Optimizing photon-number resolution with superconducting nanowire multi-photon detectors,” in <i>Advanced Photon Counting Techniques XIX</i>, 2025, doi: <a href=\"https://doi.org/10.1117/12.3054905\">10.1117/12.3054905</a>."},"year":"2025","date_created":"2025-07-11T09:18:09Z","author":[{"id":"55629","full_name":"Schapeler, Timon","last_name":"Schapeler","orcid":"0000-0001-7652-1716","first_name":"Timon"},{"id":"63579","full_name":"Schlue, Fabian","last_name":"Schlue","first_name":"Fabian"},{"last_name":"Stefszky","full_name":"Stefszky, Michael","id":"42777","first_name":"Michael"},{"full_name":"Brecht, Benjamin","id":"27150","last_name":"Brecht","orcid":"0000-0003-4140-0556 ","first_name":"Benjamin"},{"first_name":"Christine","id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn"},{"last_name":"Bartley","full_name":"Bartley, Tim","id":"49683","first_name":"Tim"}],"date_updated":"2025-07-11T09:22:11Z","publisher":"SPIE","doi":"10.1117/12.3054905","title":"Optimizing photon-number resolution with superconducting nanowire multi-photon detectors"},{"type":"journal_article","status":"public","_id":"61110","project":[{"_id":"191","name":"PhoQuant: Photonische Quantencomputer -  Quantencomputing Testplattform"},{"_id":"239","name":"ERC-Grant: QuESADILLA: Quantum Engineering Superconducting Array Detectors in Low-Light Applications"}],"department":[{"_id":"623"},{"_id":"15"}],"user_id":"55629","article_number":"086113","article_type":"original","publication_identifier":{"issn":["2378-0967"]},"publication_status":"published","intvolume":"        10","citation":{"mla":"Sidorova, Mariia, et al. “Jitter in Photon-Number-Resolved Detection by Superconducting Nanowires.” <i>APL Photonics</i>, vol. 10, no. 8, 086113, AIP Publishing, 2025, doi:<a href=\"https://doi.org/10.1063/5.0273752\">10.1063/5.0273752</a>.","short":"M. Sidorova, T. Schapeler, A.D. Semenov, F. Schlue, M. Stefszky, B. Brecht, C. Silberhorn, T. Bartley, APL Photonics 10 (2025).","bibtex":"@article{Sidorova_Schapeler_Semenov_Schlue_Stefszky_Brecht_Silberhorn_Bartley_2025, title={Jitter in photon-number-resolved detection by superconducting nanowires}, volume={10}, DOI={<a href=\"https://doi.org/10.1063/5.0273752\">10.1063/5.0273752</a>}, number={8086113}, journal={APL Photonics}, publisher={AIP Publishing}, author={Sidorova, Mariia and Schapeler, Timon and Semenov, Alexej D. and Schlue, Fabian and Stefszky, Michael and Brecht, Benjamin and Silberhorn, Christine and Bartley, Tim}, year={2025} }","apa":"Sidorova, M., Schapeler, T., Semenov, A. D., Schlue, F., Stefszky, M., Brecht, B., Silberhorn, C., &#38; Bartley, T. (2025). Jitter in photon-number-resolved detection by superconducting nanowires. <i>APL Photonics</i>, <i>10</i>(8), Article 086113. <a href=\"https://doi.org/10.1063/5.0273752\">https://doi.org/10.1063/5.0273752</a>","ieee":"M. Sidorova <i>et al.</i>, “Jitter in photon-number-resolved detection by superconducting nanowires,” <i>APL Photonics</i>, vol. 10, no. 8, Art. no. 086113, 2025, doi: <a href=\"https://doi.org/10.1063/5.0273752\">10.1063/5.0273752</a>.","chicago":"Sidorova, Mariia, Timon Schapeler, Alexej D. Semenov, Fabian Schlue, Michael Stefszky, Benjamin Brecht, Christine Silberhorn, and Tim Bartley. “Jitter in Photon-Number-Resolved Detection by Superconducting Nanowires.” <i>APL Photonics</i> 10, no. 8 (2025). <a href=\"https://doi.org/10.1063/5.0273752\">https://doi.org/10.1063/5.0273752</a>.","ama":"Sidorova M, Schapeler T, Semenov AD, et al. Jitter in photon-number-resolved detection by superconducting nanowires. <i>APL Photonics</i>. 2025;10(8). doi:<a href=\"https://doi.org/10.1063/5.0273752\">10.1063/5.0273752</a>"},"oa":"1","date_updated":"2025-09-02T10:47:08Z","volume":10,"author":[{"last_name":"Sidorova","full_name":"Sidorova, Mariia","first_name":"Mariia"},{"orcid":"0000-0001-7652-1716","last_name":"Schapeler","full_name":"Schapeler, Timon","id":"55629","first_name":"Timon"},{"first_name":"Alexej D.","full_name":"Semenov, Alexej D.","last_name":"Semenov"},{"last_name":"Schlue","full_name":"Schlue, Fabian","id":"63579","first_name":"Fabian"},{"full_name":"Stefszky, Michael","id":"42777","last_name":"Stefszky","first_name":"Michael"},{"first_name":"Benjamin","orcid":"0000-0003-4140-0556 ","last_name":"Brecht","id":"27150","full_name":"Brecht, Benjamin"},{"last_name":"Silberhorn","id":"26263","full_name":"Silberhorn, Christine","first_name":"Christine"},{"last_name":"Bartley","id":"49683","full_name":"Bartley, Tim","first_name":"Tim"}],"doi":"10.1063/5.0273752","main_file_link":[{"open_access":"1"}],"publication":"APL Photonics","abstract":[{"lang":"eng","text":"<jats:p>By analyzing the physics of multi-photon absorption in superconducting nanowire single-photon detectors (SNSPDs), we identify physical components of jitter. From this, we formulate a quantitative physical model of the multi-photon detector response that combines the local detection mechanism and local fluctuations (hotspot formation and intrinsic jitter) with the thermoelectric dynamics of resistive domains. Our model provides an excellent description of the arrival-time histogram of a commercial SNSPD across several orders of magnitude, both in arrival-time probability and across mean photon number. This is achieved with just three fitting parameters: the scaling of the mean arrival time of voltage response pulses, as well as the Gaussian and exponential jitter components. Our findings have important implications for photon-number-resolving detector design, as well as applications requiring low jitter, such as light detection and ranging (LIDAR).</jats:p>"}],"external_id":{"arxiv":["arXiv:2503.17146"]},"keyword":["Jitter","PNR","SNSPD"],"language":[{"iso":"eng"}],"issue":"8","year":"2025","publisher":"AIP Publishing","date_created":"2025-09-01T11:12:19Z","title":"Jitter in photon-number-resolved detection by superconducting nanowires"},{"status":"public","abstract":[{"text":"<jats:p>In this paper, we theoretically study the spectral and temporal properties of pulsed spontaneous parametric down-conversion (SPDC) generated in lossy waveguides. Our theoretical approach is based on the formalism of Gaussian states and the Langevin equation, which is elaborated for weak parametric down-conversion and photon-number-unresolved click detection. Using the example of frequency-degenerate type-II SPDC generated under the pump-idler group-velocity-matching condition, we show how the joint-spectral intensity, mode structure, normalized second-order correlation function, and Hong-Ou-Mandel interference pattern depend on internal losses of the SPDC process. We found that the joint-spectral intensity is almost insensitive to internal losses, while the second-order correlation function shows a strong dependence on them, being different for the signal and idler beams in the presence of internal losses. Based on the sensitivity of the normalized second-order correlation function, we show how its measurement can be used to experimentally determine internal losses.</jats:p>","lang":"eng"}],"type":"journal_article","publication":"Physical Review Research","language":[{"iso":"eng"}],"article_number":"033122","user_id":"16199","department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"293"},{"_id":"288"},{"_id":"230"},{"_id":"623"},{"_id":"429"},{"_id":"35"}],"project":[{"name":"PhoQC: Photonisches Quantencomputing","_id":"266"},{"name":"TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen","_id":"53"},{"name":"TRR 142 - Project Area C","_id":"56"},{"_id":"174","name":"TRR 142 ; TP: C10: Erzeugung und Charakterisierung von Quantenlicht in nichtlinearen Systemen: Eine theoretische Analyse"}],"_id":"62911","citation":{"apa":"Kopylov, D. A., Stefszky, M., Meier, T., Silberhorn, C., &#38; Sharapova, P. R. (2025). Spectral and temporal properties of type-II parametric down-conversion: The impact of losses during state generation. <i>Physical Review Research</i>, <i>7</i>(3), Article 033122. <a href=\"https://doi.org/10.1103/zp72-7qwl\">https://doi.org/10.1103/zp72-7qwl</a>","short":"D.A. Kopylov, M. Stefszky, T. Meier, C. Silberhorn, P.R. Sharapova, Physical Review Research 7 (2025).","bibtex":"@article{Kopylov_Stefszky_Meier_Silberhorn_Sharapova_2025, title={Spectral and temporal properties of type-II parametric down-conversion: The impact of losses during state generation}, volume={7}, DOI={<a href=\"https://doi.org/10.1103/zp72-7qwl\">10.1103/zp72-7qwl</a>}, number={3033122}, journal={Physical Review Research}, publisher={American Physical Society (APS)}, author={Kopylov, Denis A. and Stefszky, Michael and Meier, Torsten and Silberhorn, Christine and Sharapova, Polina R.}, year={2025} }","mla":"Kopylov, Denis A., et al. “Spectral and Temporal Properties of Type-II Parametric down-Conversion: The Impact of Losses during State Generation.” <i>Physical Review Research</i>, vol. 7, no. 3, 033122, American Physical Society (APS), 2025, doi:<a href=\"https://doi.org/10.1103/zp72-7qwl\">10.1103/zp72-7qwl</a>.","ieee":"D. A. Kopylov, M. Stefszky, T. Meier, C. Silberhorn, and P. R. Sharapova, “Spectral and temporal properties of type-II parametric down-conversion: The impact of losses during state generation,” <i>Physical Review Research</i>, vol. 7, no. 3, Art. no. 033122, 2025, doi: <a href=\"https://doi.org/10.1103/zp72-7qwl\">10.1103/zp72-7qwl</a>.","chicago":"Kopylov, Denis A., Michael Stefszky, Torsten Meier, Christine Silberhorn, and Polina R. Sharapova. “Spectral and Temporal Properties of Type-II Parametric down-Conversion: The Impact of Losses during State Generation.” <i>Physical Review Research</i> 7, no. 3 (2025). <a href=\"https://doi.org/10.1103/zp72-7qwl\">https://doi.org/10.1103/zp72-7qwl</a>.","ama":"Kopylov DA, Stefszky M, Meier T, Silberhorn C, Sharapova PR. Spectral and temporal properties of type-II parametric down-conversion: The impact of losses during state generation. <i>Physical Review Research</i>. 2025;7(3). doi:<a href=\"https://doi.org/10.1103/zp72-7qwl\">10.1103/zp72-7qwl</a>"},"intvolume":"         7","year":"2025","issue":"3","publication_status":"published","publication_identifier":{"issn":["2643-1564"]},"doi":"10.1103/zp72-7qwl","title":"Spectral and temporal properties of type-II parametric down-conversion: The impact of losses during state generation","author":[{"full_name":"Kopylov, Denis A.","last_name":"Kopylov","first_name":"Denis A."},{"full_name":"Stefszky, Michael","id":"42777","last_name":"Stefszky","first_name":"Michael"},{"first_name":"Torsten","orcid":"0000-0001-8864-2072","last_name":"Meier","full_name":"Meier, Torsten","id":"344"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"},{"first_name":"Polina R.","last_name":"Sharapova","full_name":"Sharapova, Polina R.","id":"60286"}],"date_created":"2025-12-05T09:33:36Z","volume":7,"date_updated":"2025-12-05T09:55:22Z","publisher":"American Physical Society (APS)"},{"volume":193,"author":[{"id":"69553","full_name":"Kirsch, Michelle","last_name":"Kirsch","first_name":"Michelle"},{"first_name":"Christian","full_name":"Kießler, Christian","id":"44252","last_name":"Kießler"},{"first_name":"Sebastian","last_name":"Lengeling","full_name":"Lengeling, Sebastian","id":"44373"},{"first_name":"Michael","full_name":"Stefszky, Michael","id":"42777","last_name":"Stefszky"},{"first_name":"Christof","full_name":"Eigner, Christof","id":"13244","last_name":"Eigner","orcid":"https://orcid.org/0000-0002-5693-3083"},{"last_name":"Herrmann","id":"216","full_name":"Herrmann, Harald","first_name":"Harald"},{"full_name":"Silberhorn, Christine","id":"26263","last_name":"Silberhorn","first_name":"Christine"}],"date_updated":"2025-12-18T08:27:13Z","oa":"1","doi":"10.1016/j.optlastec.2025.114260","main_file_link":[{"url":"https://www.sciencedirect.com/science/article/pii/S0030399225018511?via%3Dihub","open_access":"1"}],"publication_identifier":{"issn":["0030-3992"]},"publication_status":"published","intvolume":"       193","citation":{"mla":"Kirsch, Michelle, et al. “Photorefraction and In-Situ Optical Cleaning in Various Types of LiNbO3 Waveguides.” <i>Optics &#38; Laser Technology</i>, vol. 193, 114260, Elsevier BV, 2025, doi:<a href=\"https://doi.org/10.1016/j.optlastec.2025.114260\">10.1016/j.optlastec.2025.114260</a>.","short":"M. Kirsch, C. Kießler, S. Lengeling, M. Stefszky, C. Eigner, H. Herrmann, C. Silberhorn, Optics &#38; Laser Technology 193 (2025).","bibtex":"@article{Kirsch_Kießler_Lengeling_Stefszky_Eigner_Herrmann_Silberhorn_2025, title={Photorefraction and in-situ optical cleaning in various types of LiNbO3 waveguides}, volume={193}, DOI={<a href=\"https://doi.org/10.1016/j.optlastec.2025.114260\">10.1016/j.optlastec.2025.114260</a>}, number={114260}, journal={Optics &#38; Laser Technology}, publisher={Elsevier BV}, author={Kirsch, Michelle and Kießler, Christian and Lengeling, Sebastian and Stefszky, Michael and Eigner, Christof and Herrmann, Harald and Silberhorn, Christine}, year={2025} }","apa":"Kirsch, M., Kießler, C., Lengeling, S., Stefszky, M., Eigner, C., Herrmann, H., &#38; Silberhorn, C. (2025). Photorefraction and in-situ optical cleaning in various types of LiNbO3 waveguides. <i>Optics &#38; Laser Technology</i>, <i>193</i>, Article 114260. <a href=\"https://doi.org/10.1016/j.optlastec.2025.114260\">https://doi.org/10.1016/j.optlastec.2025.114260</a>","chicago":"Kirsch, Michelle, Christian Kießler, Sebastian Lengeling, Michael Stefszky, Christof Eigner, Harald Herrmann, and Christine Silberhorn. “Photorefraction and In-Situ Optical Cleaning in Various Types of LiNbO3 Waveguides.” <i>Optics &#38; Laser Technology</i> 193 (2025). <a href=\"https://doi.org/10.1016/j.optlastec.2025.114260\">https://doi.org/10.1016/j.optlastec.2025.114260</a>.","ieee":"M. Kirsch <i>et al.</i>, “Photorefraction and in-situ optical cleaning in various types of LiNbO3 waveguides,” <i>Optics &#38; Laser Technology</i>, vol. 193, Art. no. 114260, 2025, doi: <a href=\"https://doi.org/10.1016/j.optlastec.2025.114260\">10.1016/j.optlastec.2025.114260</a>.","ama":"Kirsch M, Kießler C, Lengeling S, et al. Photorefraction and in-situ optical cleaning in various types of LiNbO3 waveguides. <i>Optics &#38; Laser Technology</i>. 2025;193. doi:<a href=\"https://doi.org/10.1016/j.optlastec.2025.114260\">10.1016/j.optlastec.2025.114260</a>"},"department":[{"_id":"288"},{"_id":"623"},{"_id":"15"}],"user_id":"69553","_id":"63192","article_type":"original","article_number":"114260","type":"journal_article","status":"public","date_created":"2025-12-18T08:17:57Z","publisher":"Elsevier BV","title":"Photorefraction and in-situ optical cleaning in various types of LiNbO3 waveguides","quality_controlled":"1","year":"2025","language":[{"iso":"eng"}],"publication":"Optics & Laser Technology","abstract":[{"lang":"eng","text":"Lithium niobate (LiNbO3) is a widely used material with several desirable physical properties, such as high second-order nonlinear optical and strong electro-optical effects. Thus LiNbO3 is used for various applications such as electro-optic modulation or nonlinear frequency conversion and mixing. But LiNbO3 also exhibits a strong photorefractive effect, which limits the intensity of the optical fields involved. Various approaches to reduce the photorefractive effect have been investigated, such as increasing the temperature, doping the crystal or using different waveguide designs in LiNbO3. Here, we present an analysis of the approach to increase the photorefractive damage threshold by using different waveguide designs. Contrary to previous claims and investigations, our SHG measurements revealed no significant difference in resistance to photorefractive damage when comparing conventional Ti-doped channel waveguides and Ti-doped diced ridge waveguides in LiNbO3. Furthermore, we have investigated the effect of photorefractive cleaning and curing using a light field at 532 nm. Here, we observe a reduction in the photorefractive effect at room temperature during and after SHG measurements, which is an easy alternative to conventional approaches."}]},{"status":"public","abstract":[{"lang":"eng","text":"The biphoton correlation time, a measure for the conditional uncertainty in the temporal arrival of two photons from a photon pair source, is a key performance identifier for many quantum spectroscopy applications, with shorter correlation times typically yielding better performance. Furthermore, it provides fundamental insight into the effects of dispersion on the biphoton state. Here, we show that a characteristic dependence of the width of the temporal interferogram can be exploited to obtain insights into the amount of second-order dispersion inside the interferometer and to retrieve actual and Fourier-limited ultrashort biphoton correlation times of around 100 fs. In the presented scheme, we simultaneously measure spectral and temporal interferograms at the output of an SU(1,1) interferometer based on an integrated broadband parametric down conversion source in a Ti:LiNbO3 waveguide."}],"publication":"PRX Quantum","type":"journal_article","language":[{"iso":"eng"}],"article_number":"020350","department":[{"_id":"288"},{"_id":"623"}],"user_id":"88149","_id":"54544","project":[{"_id":"207","name":"MiLiQuant: Miniaturisierte Lichtquellen für den industriellen Einsatz in Quantensensoren und Quanten-Imaging-Systemen (MiLiQuant) - Teilvorhaben: Technologie und Theorie für MIR Quanten-Imaging Systeme","grant_number":"13N15065"},{"grant_number":"101070700","name":"MIRAQLS: MIRAQLS: Mid-infrared Quantum Technology for Sensing","_id":"571"},{"name":"E2TPA: Exploiting Entangled Two-Photon Absorption","_id":"190"}],"intvolume":"         5","citation":{"ieee":"F. Roeder <i>et al.</i>, “Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer,” <i>PRX Quantum</i>, vol. 5, no. 2, Art. no. 020350, 2024, doi: <a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>.","chicago":"Roeder, Franz, René Pollmann, Michael Stefszky, Matteo Santandrea, Kai Hong Luo, V. Quiring, Raimund Ricken, Christof Eigner, Benjamin Brecht, and Christine Silberhorn. “Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer.” <i>PRX Quantum</i> 5, no. 2 (2024). <a href=\"https://doi.org/10.1103/prxquantum.5.020350\">https://doi.org/10.1103/prxquantum.5.020350</a>.","ama":"Roeder F, Pollmann R, Stefszky M, et al. Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer. <i>PRX Quantum</i>. 2024;5(2). doi:<a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>","apa":"Roeder, F., Pollmann, R., Stefszky, M., Santandrea, M., Luo, K. H., Quiring, V., Ricken, R., Eigner, C., Brecht, B., &#38; Silberhorn, C. (2024). Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer. <i>PRX Quantum</i>, <i>5</i>(2), Article 020350. <a href=\"https://doi.org/10.1103/prxquantum.5.020350\">https://doi.org/10.1103/prxquantum.5.020350</a>","mla":"Roeder, Franz, et al. “Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer.” <i>PRX Quantum</i>, vol. 5, no. 2, 020350, American Physical Society (APS), 2024, doi:<a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>.","short":"F. Roeder, R. Pollmann, M. Stefszky, M. Santandrea, K.H. Luo, V. Quiring, R. Ricken, C. Eigner, B. Brecht, C. Silberhorn, PRX Quantum 5 (2024).","bibtex":"@article{Roeder_Pollmann_Stefszky_Santandrea_Luo_Quiring_Ricken_Eigner_Brecht_Silberhorn_2024, title={Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer}, volume={5}, DOI={<a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>}, number={2020350}, journal={PRX Quantum}, publisher={American Physical Society (APS)}, author={Roeder, Franz and Pollmann, René and Stefszky, Michael and Santandrea, Matteo and Luo, Kai Hong and Quiring, V. and Ricken, Raimund and Eigner, Christof and Brecht, Benjamin and Silberhorn, Christine}, year={2024} }"},"year":"2024","issue":"2","publication_identifier":{"issn":["2691-3399"]},"publication_status":"published","doi":"10.1103/prxquantum.5.020350","title":"Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer","volume":5,"author":[{"first_name":"Franz","full_name":"Roeder, Franz","id":"88149","last_name":"Roeder"},{"first_name":"René","id":"78890","full_name":"Pollmann, René","last_name":"Pollmann"},{"first_name":"Michael","last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael"},{"first_name":"Matteo","id":"55095","full_name":"Santandrea, Matteo","last_name":"Santandrea","orcid":"0000-0001-5718-358X"},{"full_name":"Luo, Kai Hong","id":"36389","last_name":"Luo","orcid":"0000-0003-1008-4976","first_name":"Kai Hong"},{"last_name":"Quiring","full_name":"Quiring, V.","first_name":"V."},{"full_name":"Ricken, Raimund","last_name":"Ricken","first_name":"Raimund"},{"orcid":"https://orcid.org/0000-0002-5693-3083","last_name":"Eigner","id":"13244","full_name":"Eigner, Christof","first_name":"Christof"},{"id":"27150","full_name":"Brecht, Benjamin","orcid":"0000-0003-4140-0556 ","last_name":"Brecht","first_name":"Benjamin"},{"first_name":"Christine","full_name":"Silberhorn, Christine","id":"26263","last_name":"Silberhorn"}],"date_created":"2024-06-01T12:48:51Z","date_updated":"2024-06-01T13:00:53Z","publisher":"American Physical Society (APS)"},{"department":[{"_id":"15"},{"_id":"623"}],"user_id":"55629","_id":"55174","project":[{"name":"QuESADILLA: ERC-Grant: QuESADILLA: Quantum Engineering Superconducting Array Detectors in Low-Light Applications","_id":"239","grant_number":"101042399","call_identifier":"ERC"},{"name":"PhoQuant--QCTest: PhoQuant: Photonische Quantencomputer -  Quantencomputing Testplattform","_id":"191","grant_number":"13N16103"}],"article_number":"014024","type":"journal_article","status":"public","volume":22,"author":[{"last_name":"Schapeler","orcid":"0000-0001-7652-1716","id":"55629","full_name":"Schapeler, Timon","first_name":"Timon"},{"full_name":"Lamberty, Niklas","last_name":"Lamberty","first_name":"Niklas"},{"first_name":"Thomas","orcid":"0000-0001-8627-2119","last_name":"Hummel","id":"83846","full_name":"Hummel, Thomas"},{"first_name":"Fabian","id":"63579","full_name":"Schlue, Fabian","last_name":"Schlue"},{"id":"42777","full_name":"Stefszky, Michael","last_name":"Stefszky","first_name":"Michael"},{"first_name":"Benjamin","last_name":"Brecht","orcid":"0000-0003-4140-0556 ","id":"27150","full_name":"Brecht, Benjamin"},{"id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn","first_name":"Christine"},{"last_name":"Bartley","id":"49683","full_name":"Bartley, Tim","first_name":"Tim"}],"oa":"1","date_updated":"2024-07-11T09:36:00Z","doi":"10.1103/physrevapplied.22.014024","main_file_link":[{"open_access":"1"}],"publication_identifier":{"issn":["2331-7019"]},"publication_status":"published","intvolume":"        22","citation":{"ama":"Schapeler T, Lamberty N, Hummel T, et al. Electrical trace analysis of superconducting nanowire photon-number-resolving detectors. <i>Physical Review Applied</i>. 2024;22(1). doi:<a href=\"https://doi.org/10.1103/physrevapplied.22.014024\">10.1103/physrevapplied.22.014024</a>","chicago":"Schapeler, Timon, Niklas Lamberty, Thomas Hummel, Fabian Schlue, Michael Stefszky, Benjamin Brecht, Christine Silberhorn, and Tim Bartley. “Electrical Trace Analysis of Superconducting Nanowire Photon-Number-Resolving Detectors.” <i>Physical Review Applied</i> 22, no. 1 (2024). <a href=\"https://doi.org/10.1103/physrevapplied.22.014024\">https://doi.org/10.1103/physrevapplied.22.014024</a>.","ieee":"T. Schapeler <i>et al.</i>, “Electrical trace analysis of superconducting nanowire photon-number-resolving detectors,” <i>Physical Review Applied</i>, vol. 22, no. 1, Art. no. 014024, 2024, doi: <a href=\"https://doi.org/10.1103/physrevapplied.22.014024\">10.1103/physrevapplied.22.014024</a>.","apa":"Schapeler, T., Lamberty, N., Hummel, T., Schlue, F., Stefszky, M., Brecht, B., Silberhorn, C., &#38; Bartley, T. (2024). Electrical trace analysis of superconducting nanowire photon-number-resolving detectors. <i>Physical Review Applied</i>, <i>22</i>(1), Article 014024. <a href=\"https://doi.org/10.1103/physrevapplied.22.014024\">https://doi.org/10.1103/physrevapplied.22.014024</a>","mla":"Schapeler, Timon, et al. “Electrical Trace Analysis of Superconducting Nanowire Photon-Number-Resolving Detectors.” <i>Physical Review Applied</i>, vol. 22, no. 1, 014024, American Physical Society (APS), 2024, doi:<a href=\"https://doi.org/10.1103/physrevapplied.22.014024\">10.1103/physrevapplied.22.014024</a>.","short":"T. Schapeler, N. Lamberty, T. Hummel, F. Schlue, M. Stefszky, B. Brecht, C. Silberhorn, T. Bartley, Physical Review Applied 22 (2024).","bibtex":"@article{Schapeler_Lamberty_Hummel_Schlue_Stefszky_Brecht_Silberhorn_Bartley_2024, title={Electrical trace analysis of superconducting nanowire photon-number-resolving detectors}, volume={22}, DOI={<a href=\"https://doi.org/10.1103/physrevapplied.22.014024\">10.1103/physrevapplied.22.014024</a>}, number={1014024}, journal={Physical Review Applied}, publisher={American Physical Society (APS)}, author={Schapeler, Timon and Lamberty, Niklas and Hummel, Thomas and Schlue, Fabian and Stefszky, Michael and Brecht, Benjamin and Silberhorn, Christine and Bartley, Tim}, year={2024} }"},"language":[{"iso":"eng"}],"publication":"Physical Review Applied","abstract":[{"text":"<jats:p>We apply principal component analysis (PCA) to a set of electrical output signals from a commercially available superconducting nanowire single-photon detector (SNSPD) to investigate their photon-number-resolving capability. We find that the rising edge as well as the amplitude of the electrical signal have the most dependence on photon number. Accurately measuring the rising edge while simultaneously measuring the voltage of the pulse amplitude maximizes the photon-number resolution of SNSPDs. Using an optimal basis of principal components, we show unambiguous discrimination between one- and two-photon events, as well as partial resolution up to five photons. This expands the use case of SNSPDs to photon-counting experiments, without the need of detector multiplexing architectures.</jats:p>\r\n          <jats:sec>\r\n            <jats:title/>\r\n            <jats:supplementary-material>\r\n              <jats:permissions>\r\n                <jats:copyright-statement>Published by the American Physical Society</jats:copyright-statement>\r\n                <jats:copyright-year>2024</jats:copyright-year>\r\n              </jats:permissions>\r\n            </jats:supplementary-material>\r\n          </jats:sec>","lang":"eng"}],"date_created":"2024-07-11T07:23:08Z","publisher":"American Physical Society (APS)","title":"Electrical trace analysis of superconducting nanowire photon-number-resolving detectors","issue":"1","year":"2024"},{"author":[{"id":"78347","full_name":"Krishnaswamy, Suchitra","last_name":"Krishnaswamy","first_name":"Suchitra"},{"first_name":"Fabian","last_name":"Schlue","full_name":"Schlue, Fabian","id":"63579"},{"last_name":"Ares","full_name":"Ares, L.","first_name":"L."},{"first_name":"V.","last_name":"Dyachuk","full_name":"Dyachuk, V."},{"full_name":"Stefszky, Michael","id":"42777","last_name":"Stefszky","first_name":"Michael"},{"first_name":"Benjamin","id":"27150","full_name":"Brecht, Benjamin","last_name":"Brecht","orcid":"0000-0003-4140-0556 "},{"first_name":"Christine","id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn"},{"id":"75127","full_name":"Sperling, Jan","orcid":"0000-0002-5844-3205","last_name":"Sperling","first_name":"Jan"}],"date_created":"2024-12-11T15:33:08Z","volume":110,"publisher":"American Physical Society (APS)","date_updated":"2024-12-11T15:35:07Z","doi":"10.1103/physreva.110.023717","title":"Experimental retrieval of photon statistics from click detection","issue":"2","publication_status":"published","publication_identifier":{"issn":["2469-9926","2469-9934"]},"citation":{"apa":"Krishnaswamy, S., Schlue, F., Ares, L., Dyachuk, V., Stefszky, M., Brecht, B., Silberhorn, C., &#38; Sperling, J. (2024). Experimental retrieval of photon statistics from click detection. <i>Physical Review A</i>, <i>110</i>(2), Article 023717. <a href=\"https://doi.org/10.1103/physreva.110.023717\">https://doi.org/10.1103/physreva.110.023717</a>","mla":"Krishnaswamy, Suchitra, et al. “Experimental Retrieval of Photon Statistics from Click Detection.” <i>Physical Review A</i>, vol. 110, no. 2, 023717, American Physical Society (APS), 2024, doi:<a href=\"https://doi.org/10.1103/physreva.110.023717\">10.1103/physreva.110.023717</a>.","short":"S. Krishnaswamy, F. Schlue, L. Ares, V. Dyachuk, M. Stefszky, B. Brecht, C. Silberhorn, J. Sperling, Physical Review A 110 (2024).","bibtex":"@article{Krishnaswamy_Schlue_Ares_Dyachuk_Stefszky_Brecht_Silberhorn_Sperling_2024, title={Experimental retrieval of photon statistics from click detection}, volume={110}, DOI={<a href=\"https://doi.org/10.1103/physreva.110.023717\">10.1103/physreva.110.023717</a>}, number={2023717}, journal={Physical Review A}, publisher={American Physical Society (APS)}, author={Krishnaswamy, Suchitra and Schlue, Fabian and Ares, L. and Dyachuk, V. and Stefszky, Michael and Brecht, Benjamin and Silberhorn, Christine and Sperling, Jan}, year={2024} }","ama":"Krishnaswamy S, Schlue F, Ares L, et al. Experimental retrieval of photon statistics from click detection. <i>Physical Review A</i>. 2024;110(2). doi:<a href=\"https://doi.org/10.1103/physreva.110.023717\">10.1103/physreva.110.023717</a>","ieee":"S. Krishnaswamy <i>et al.</i>, “Experimental retrieval of photon statistics from click detection,” <i>Physical Review A</i>, vol. 110, no. 2, Art. no. 023717, 2024, doi: <a href=\"https://doi.org/10.1103/physreva.110.023717\">10.1103/physreva.110.023717</a>.","chicago":"Krishnaswamy, Suchitra, Fabian Schlue, L. Ares, V. Dyachuk, Michael Stefszky, Benjamin Brecht, Christine Silberhorn, and Jan Sperling. “Experimental Retrieval of Photon Statistics from Click Detection.” <i>Physical Review A</i> 110, no. 2 (2024). <a href=\"https://doi.org/10.1103/physreva.110.023717\">https://doi.org/10.1103/physreva.110.023717</a>."},"intvolume":"       110","year":"2024","user_id":"75127","department":[{"_id":"623"},{"_id":"15"},{"_id":"170"},{"_id":"706"},{"_id":"429"},{"_id":"623"}],"_id":"57743","language":[{"iso":"eng"}],"article_number":"023717","type":"journal_article","publication":"Physical Review A","status":"public"},{"abstract":[{"text":"<jats:p>Linear optical quantum networks, consisting of a quantum input state and a multiport interferometer, are an important building block for many quantum technological concepts, e.g., Gaussian boson sampling. Here, we propose the implementation of such networks based on frequency conversion by utilizing a so-called multioutput quantum pulse gate (MQPG). This approach allows the resource-efficient and therefore scalable implementation of frequency-bin-based, fully programmable interferometers in a single spatial and polarization mode. Quantum input states for this network can be provided by utilizing the strong frequency entanglement of a type-0 parametric down-conversion (PDC) source. Here, we develop a theoretical framework to describe linear networks based on an MQPG and PDC and utilize it to investigate the limits and scalabilty of our approach.</jats:p>\r\n          <jats:sec>\r\n            <jats:title/>\r\n            <jats:supplementary-material>\r\n              <jats:permissions>\r\n                <jats:copyright-statement>Published by the American Physical Society</jats:copyright-statement>\r\n                <jats:copyright-year>2024</jats:copyright-year>\r\n              </jats:permissions>\r\n            </jats:supplementary-material>\r\n          </jats:sec>","lang":"eng"}],"status":"public","publication":"PRX Quantum","type":"journal_article","article_number":"040329","language":[{"iso":"eng"}],"_id":"63218","department":[{"_id":"15"},{"_id":"623"}],"user_id":"27150","year":"2024","intvolume":"         5","citation":{"apa":"Folge, P. F., Stefszky, M., Brecht, B., &#38; Silberhorn, C. (2024). A Framework for Fully Programmable Frequency-Encoded Quantum Networks Harnessing Multioutput Quantum Pulse Gates. <i>PRX Quantum</i>, <i>5</i>(4), Article 040329. <a href=\"https://doi.org/10.1103/prxquantum.5.040329\">https://doi.org/10.1103/prxquantum.5.040329</a>","bibtex":"@article{Folge_Stefszky_Brecht_Silberhorn_2024, title={A Framework for Fully Programmable Frequency-Encoded Quantum Networks Harnessing Multioutput Quantum Pulse Gates}, volume={5}, DOI={<a href=\"https://doi.org/10.1103/prxquantum.5.040329\">10.1103/prxquantum.5.040329</a>}, number={4040329}, journal={PRX Quantum}, publisher={American Physical Society (APS)}, author={Folge, Patrick Fabian and Stefszky, Michael and Brecht, Benjamin and Silberhorn, Christine}, year={2024} }","short":"P.F. Folge, M. Stefszky, B. Brecht, C. Silberhorn, PRX Quantum 5 (2024).","mla":"Folge, Patrick Fabian, et al. “A Framework for Fully Programmable Frequency-Encoded Quantum Networks Harnessing Multioutput Quantum Pulse Gates.” <i>PRX Quantum</i>, vol. 5, no. 4, 040329, American Physical Society (APS), 2024, doi:<a href=\"https://doi.org/10.1103/prxquantum.5.040329\">10.1103/prxquantum.5.040329</a>.","ama":"Folge PF, Stefszky M, Brecht B, Silberhorn C. A Framework for Fully Programmable Frequency-Encoded Quantum Networks Harnessing Multioutput Quantum Pulse Gates. <i>PRX Quantum</i>. 2024;5(4). doi:<a href=\"https://doi.org/10.1103/prxquantum.5.040329\">10.1103/prxquantum.5.040329</a>","ieee":"P. F. Folge, M. Stefszky, B. Brecht, and C. Silberhorn, “A Framework for Fully Programmable Frequency-Encoded Quantum Networks Harnessing Multioutput Quantum Pulse Gates,” <i>PRX Quantum</i>, vol. 5, no. 4, Art. no. 040329, 2024, doi: <a href=\"https://doi.org/10.1103/prxquantum.5.040329\">10.1103/prxquantum.5.040329</a>.","chicago":"Folge, Patrick Fabian, Michael Stefszky, Benjamin Brecht, and Christine Silberhorn. “A Framework for Fully Programmable Frequency-Encoded Quantum Networks Harnessing Multioutput Quantum Pulse Gates.” <i>PRX Quantum</i> 5, no. 4 (2024). <a href=\"https://doi.org/10.1103/prxquantum.5.040329\">https://doi.org/10.1103/prxquantum.5.040329</a>."},"publication_identifier":{"issn":["2691-3399"]},"publication_status":"published","issue":"4","title":"A Framework for Fully Programmable Frequency-Encoded Quantum Networks Harnessing Multioutput Quantum Pulse Gates","doi":"10.1103/prxquantum.5.040329","publisher":"American Physical Society (APS)","date_updated":"2025-12-18T16:10:55Z","volume":5,"date_created":"2025-12-18T16:10:37Z","author":[{"last_name":"Folge","full_name":"Folge, Patrick Fabian","id":"88605","first_name":"Patrick Fabian"},{"first_name":"Michael","last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael"},{"first_name":"Benjamin","orcid":"0000-0003-4140-0556 ","last_name":"Brecht","full_name":"Brecht, Benjamin","id":"27150"},{"first_name":"Christine","id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn"}]},{"publication":"New Journal of Physics","type":"journal_article","status":"public","abstract":[{"text":"The latest applications in ultrafast quantum metrology require bright, broadband bi-photon sources with one of the photons in the mid-infrared and the other in the visible to near infrared. However, existing sources based on bulk crystals are limited in brightness due to the short interaction length and only allow for limited dispersion engineering. Here, we present an integrated PDC source based on a Ti:LiNbO3 waveguide that generates broadband bi-photons with central wavelengths at 860 nm and 2800 nm. Their spectral bandwidth exceeds 25 THz and is achieved by simultaneous matching of the group velocities (GVs) and cancellation of GV dispersion for the signal and idler field. We provide an intuitive understanding of the process by studying our source’s behavior at different temperatures and pump wavelengths, which agrees well with simulations.","lang":"eng"}],"department":[{"_id":"288"},{"_id":"623"},{"_id":"15"}],"user_id":"78890","_id":"57862","project":[{"_id":"571","name":"MIRAQLS: MIRAQLS: Mid-infrared Quantum Technology for Sensing"},{"_id":"190","name":"E2TPA: Exploiting Entangled Two-Photon Absorption"}],"language":[{"iso":"eng"}],"article_type":"original","article_number":"123025","issue":"12","publication_identifier":{"issn":["1367-2630"]},"publication_status":"published","intvolume":"        26","citation":{"ama":"Roeder F, Gnanavel A, Pollmann R, et al. Ultra-broadband non-degenerate guided-wave bi-photon source in the near and mid-infrared. <i>New Journal of Physics</i>. 2024;26(12). doi:<a href=\"https://doi.org/10.1088/1367-2630/ad9f98\">10.1088/1367-2630/ad9f98</a>","chicago":"Roeder, Franz, Abira Gnanavel, René Pollmann, Olga Brecht, Michael Stefszky, Laura Padberg, Christof Eigner, Christine Silberhorn, and Benjamin Brecht. “Ultra-Broadband Non-Degenerate Guided-Wave Bi-Photon Source in the near and Mid-Infrared.” <i>New Journal of Physics</i> 26, no. 12 (2024). <a href=\"https://doi.org/10.1088/1367-2630/ad9f98\">https://doi.org/10.1088/1367-2630/ad9f98</a>.","ieee":"F. Roeder <i>et al.</i>, “Ultra-broadband non-degenerate guided-wave bi-photon source in the near and mid-infrared,” <i>New Journal of Physics</i>, vol. 26, no. 12, Art. no. 123025, 2024, doi: <a href=\"https://doi.org/10.1088/1367-2630/ad9f98\">10.1088/1367-2630/ad9f98</a>.","apa":"Roeder, F., Gnanavel, A., Pollmann, R., Brecht, O., Stefszky, M., Padberg, L., Eigner, C., Silberhorn, C., &#38; Brecht, B. (2024). Ultra-broadband non-degenerate guided-wave bi-photon source in the near and mid-infrared. <i>New Journal of Physics</i>, <i>26</i>(12), Article 123025. <a href=\"https://doi.org/10.1088/1367-2630/ad9f98\">https://doi.org/10.1088/1367-2630/ad9f98</a>","short":"F. Roeder, A. Gnanavel, R. Pollmann, O. Brecht, M. Stefszky, L. Padberg, C. Eigner, C. Silberhorn, B. Brecht, New Journal of Physics 26 (2024).","mla":"Roeder, Franz, et al. “Ultra-Broadband Non-Degenerate Guided-Wave Bi-Photon Source in the near and Mid-Infrared.” <i>New Journal of Physics</i>, vol. 26, no. 12, 123025, IOP Publishing, 2024, doi:<a href=\"https://doi.org/10.1088/1367-2630/ad9f98\">10.1088/1367-2630/ad9f98</a>.","bibtex":"@article{Roeder_Gnanavel_Pollmann_Brecht_Stefszky_Padberg_Eigner_Silberhorn_Brecht_2024, title={Ultra-broadband non-degenerate guided-wave bi-photon source in the near and mid-infrared}, volume={26}, DOI={<a href=\"https://doi.org/10.1088/1367-2630/ad9f98\">10.1088/1367-2630/ad9f98</a>}, number={12123025}, journal={New Journal of Physics}, publisher={IOP Publishing}, author={Roeder, Franz and Gnanavel, Abira and Pollmann, René and Brecht, Olga and Stefszky, Michael and Padberg, Laura and Eigner, Christof and Silberhorn, Christine and Brecht, Benjamin}, year={2024} }"},"year":"2024","volume":26,"author":[{"id":"88149","full_name":"Roeder, Franz","last_name":"Roeder","first_name":"Franz"},{"full_name":"Gnanavel, Abira","last_name":"Gnanavel","first_name":"Abira"},{"first_name":"René","last_name":"Pollmann","id":"78890","full_name":"Pollmann, René"},{"last_name":"Brecht","full_name":"Brecht, Olga","first_name":"Olga"},{"first_name":"Michael","id":"42777","full_name":"Stefszky, Michael","last_name":"Stefszky"},{"first_name":"Laura","last_name":"Padberg","id":"40300","full_name":"Padberg, Laura"},{"orcid":"https://orcid.org/0000-0002-5693-3083","last_name":"Eigner","full_name":"Eigner, Christof","id":"13244","first_name":"Christof"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"},{"orcid":"0000-0003-4140-0556 ","last_name":"Brecht","full_name":"Brecht, Benjamin","id":"27150","first_name":"Benjamin"}],"date_created":"2024-12-27T19:01:14Z","publisher":"IOP Publishing","date_updated":"2025-12-19T11:36:36Z","doi":"10.1088/1367-2630/ad9f98","title":"Ultra-broadband non-degenerate guided-wave bi-photon source in the near and mid-infrared"},{"doi":"10.1109/lpt.2023.3277515","title":"A Pulsed Lidar System With Ultimate Quantum Range Accuracy","date_created":"2023-06-06T10:09:05Z","author":[{"full_name":"Kruse, Stephan","id":"38254","last_name":"Kruse","first_name":"Stephan"},{"first_name":"Laura","last_name":"Serino","full_name":"Serino, Laura","id":"88242"},{"first_name":"Patrick Fabian","full_name":"Folge, Patrick Fabian","id":"88605","last_name":"Folge"},{"first_name":"Dana","full_name":"Echeverria Oviedo, Dana","last_name":"Echeverria Oviedo"},{"first_name":"Abhinandan","full_name":"Bhattacharjee, Abhinandan","last_name":"Bhattacharjee"},{"last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael","first_name":"Michael"},{"first_name":"J. Christoph","full_name":"Scheytt, J. Christoph","id":"37144","orcid":"0000-0002-5950-6618 ","last_name":"Scheytt"},{"orcid":"0000-0003-4140-0556 ","last_name":"Brecht","full_name":"Brecht, Benjamin","id":"27150","first_name":"Benjamin"},{"last_name":"Silberhorn","id":"26263","full_name":"Silberhorn, Christine","first_name":"Christine"}],"volume":35,"date_updated":"2023-06-06T10:13:05Z","publisher":"Institute of Electrical and Electronics Engineers (IEEE)","citation":{"apa":"Kruse, S., Serino, L., Folge, P. F., Echeverria Oviedo, D., Bhattacharjee, A., Stefszky, M., Scheytt, J. C., Brecht, B., &#38; Silberhorn, C. (2023). A Pulsed Lidar System With Ultimate Quantum Range Accuracy. <i>IEEE Photonics Technology Letters</i>, <i>35</i>(14), 769–772. <a href=\"https://doi.org/10.1109/lpt.2023.3277515\">https://doi.org/10.1109/lpt.2023.3277515</a>","short":"S. Kruse, L. Serino, P.F. Folge, D. Echeverria Oviedo, A. Bhattacharjee, M. Stefszky, J.C. Scheytt, B. Brecht, C. Silberhorn, IEEE Photonics Technology Letters 35 (2023) 769–772.","bibtex":"@article{Kruse_Serino_Folge_Echeverria Oviedo_Bhattacharjee_Stefszky_Scheytt_Brecht_Silberhorn_2023, title={A Pulsed Lidar System With Ultimate Quantum Range Accuracy}, volume={35}, DOI={<a href=\"https://doi.org/10.1109/lpt.2023.3277515\">10.1109/lpt.2023.3277515</a>}, number={14}, journal={IEEE Photonics Technology Letters}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Kruse, Stephan and Serino, Laura and Folge, Patrick Fabian and Echeverria Oviedo, Dana and Bhattacharjee, Abhinandan and Stefszky, Michael and Scheytt, J. Christoph and Brecht, Benjamin and Silberhorn, Christine}, year={2023}, pages={769–772} }","mla":"Kruse, Stephan, et al. “A Pulsed Lidar System With Ultimate Quantum Range Accuracy.” <i>IEEE Photonics Technology Letters</i>, vol. 35, no. 14, Institute of Electrical and Electronics Engineers (IEEE), 2023, pp. 769–72, doi:<a href=\"https://doi.org/10.1109/lpt.2023.3277515\">10.1109/lpt.2023.3277515</a>.","ama":"Kruse S, Serino L, Folge PF, et al. A Pulsed Lidar System With Ultimate Quantum Range Accuracy. <i>IEEE Photonics Technology Letters</i>. 2023;35(14):769-772. doi:<a href=\"https://doi.org/10.1109/lpt.2023.3277515\">10.1109/lpt.2023.3277515</a>","ieee":"S. Kruse <i>et al.</i>, “A Pulsed Lidar System With Ultimate Quantum Range Accuracy,” <i>IEEE Photonics Technology Letters</i>, vol. 35, no. 14, pp. 769–772, 2023, doi: <a href=\"https://doi.org/10.1109/lpt.2023.3277515\">10.1109/lpt.2023.3277515</a>.","chicago":"Kruse, Stephan, Laura Serino, Patrick Fabian Folge, Dana Echeverria Oviedo, Abhinandan Bhattacharjee, Michael Stefszky, J. Christoph Scheytt, Benjamin Brecht, and Christine Silberhorn. “A Pulsed Lidar System With Ultimate Quantum Range Accuracy.” <i>IEEE Photonics Technology Letters</i> 35, no. 14 (2023): 769–72. <a href=\"https://doi.org/10.1109/lpt.2023.3277515\">https://doi.org/10.1109/lpt.2023.3277515</a>."},"intvolume":"        35","page":"769-772","year":"2023","issue":"14","publication_status":"published","publication_identifier":{"issn":["1041-1135","1941-0174"]},"language":[{"iso":"eng"}],"keyword":["Electrical and Electronic Engineering","Atomic and Molecular Physics","and Optics","Electronic","Optical and Magnetic Materials"],"user_id":"27150","department":[{"_id":"15"},{"_id":"58"},{"_id":"623"},{"_id":"230"},{"_id":"288"}],"_id":"45485","status":"public","type":"journal_article","publication":"IEEE Photonics Technology Letters"},{"abstract":[{"lang":"eng","text":"Interference between single photons is key for many quantum optics experiments and applications in quantum technologies, such as quantum communication or computation. It is advantageous to operate the systems at telecommunication wavelengths and to integrate the setups for these applications in order to improve stability, compactness and scalability. A new promising material platform for integrated quantum optics is lithium niobate on insulator (LNOI). Here, we realise Hong-Ou-Mandel (HOM) interference between telecom photons from an engineered parametric down-conversion source in an LNOI directional coupler. The coupler has been designed and fabricated in house and provides close to perfect balanced beam splitting. We obtain a raw HOM visibility of (93.5 ± 0.7) %, limited mainly by the source performance and in good agreement with off-chip measurements. This lays the foundation for more sophisticated quantum experiments in LNOI."}],"status":"public","type":"journal_article","publication":"Optics Express","article_number":"23140","keyword":["Atomic and Molecular Physics","and Optics"],"language":[{"iso":"eng"}],"_id":"45850","user_id":"63231","department":[{"_id":"15"},{"_id":"230"},{"_id":"623"},{"_id":"288"}],"year":"2023","citation":{"chicago":"Babel, Silia, Laura Bollmers, Marcello Massaro, Kai Hong Luo, Michael Stefszky, Federico Pegoraro, Philip Held, et al. “Demonstration of Hong-Ou-Mandel Interference in an LNOI Directional Coupler.” <i>Optics Express</i> 31, no. 14 (2023). <a href=\"https://doi.org/10.1364/oe.484126\">https://doi.org/10.1364/oe.484126</a>.","ieee":"S. Babel <i>et al.</i>, “Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler,” <i>Optics Express</i>, vol. 31, no. 14, Art. no. 23140, 2023, doi: <a href=\"https://doi.org/10.1364/oe.484126\">10.1364/oe.484126</a>.","ama":"Babel S, Bollmers L, Massaro M, et al. Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler. <i>Optics Express</i>. 2023;31(14). doi:<a href=\"https://doi.org/10.1364/oe.484126\">10.1364/oe.484126</a>","apa":"Babel, S., Bollmers, L., Massaro, M., Luo, K. H., Stefszky, M., Pegoraro, F., Held, P., Herrmann, H., Eigner, C., Brecht, B., Padberg, L., &#38; Silberhorn, C. (2023). Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler. <i>Optics Express</i>, <i>31</i>(14), Article 23140. <a href=\"https://doi.org/10.1364/oe.484126\">https://doi.org/10.1364/oe.484126</a>","mla":"Babel, Silia, et al. “Demonstration of Hong-Ou-Mandel Interference in an LNOI Directional Coupler.” <i>Optics Express</i>, vol. 31, no. 14, 23140, Optica Publishing Group, 2023, doi:<a href=\"https://doi.org/10.1364/oe.484126\">10.1364/oe.484126</a>.","short":"S. Babel, L. Bollmers, M. Massaro, K.H. Luo, M. Stefszky, F. Pegoraro, P. Held, H. Herrmann, C. Eigner, B. Brecht, L. Padberg, C. Silberhorn, Optics Express 31 (2023).","bibtex":"@article{Babel_Bollmers_Massaro_Luo_Stefszky_Pegoraro_Held_Herrmann_Eigner_Brecht_et al._2023, title={Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler}, volume={31}, DOI={<a href=\"https://doi.org/10.1364/oe.484126\">10.1364/oe.484126</a>}, number={1423140}, journal={Optics Express}, publisher={Optica Publishing Group}, author={Babel, Silia and Bollmers, Laura and Massaro, Marcello and Luo, Kai Hong and Stefszky, Michael and Pegoraro, Federico and Held, Philip and Herrmann, Harald and Eigner, Christof and Brecht, Benjamin and et al.}, year={2023} }"},"intvolume":"        31","publication_status":"published","publication_identifier":{"issn":["1094-4087"]},"issue":"14","title":"Demonstration of Hong-Ou-Mandel interference in an LNOI directional coupler","doi":"10.1364/oe.484126","publisher":"Optica Publishing Group","date_updated":"2023-07-05T07:58:31Z","author":[{"first_name":"Silia","orcid":"https://orcid.org/0000-0002-1568-2580","last_name":"Babel","id":"63231","full_name":"Babel, Silia"},{"first_name":"Laura","id":"61375","full_name":"Bollmers, Laura","last_name":"Bollmers"},{"id":"59545","full_name":"Massaro, Marcello","orcid":"0000-0002-2539-7652","last_name":"Massaro","first_name":"Marcello"},{"first_name":"Kai Hong","id":"36389","full_name":"Luo, Kai Hong","orcid":"0000-0003-1008-4976","last_name":"Luo"},{"first_name":"Michael","last_name":"Stefszky","full_name":"Stefszky, Michael","id":"42777"},{"id":"88928","full_name":"Pegoraro, Federico","last_name":"Pegoraro","first_name":"Federico"},{"first_name":"Philip","full_name":"Held, Philip","id":"68236","last_name":"Held"},{"last_name":"Herrmann","id":"216","full_name":"Herrmann, Harald","first_name":"Harald"},{"last_name":"Eigner","orcid":"https://orcid.org/0000-0002-5693-3083","full_name":"Eigner, Christof","id":"13244","first_name":"Christof"},{"first_name":"Benjamin","last_name":"Brecht","orcid":"0000-0003-4140-0556 ","full_name":"Brecht, Benjamin","id":"27150"},{"last_name":"Padberg","id":"40300","full_name":"Padberg, Laura","first_name":"Laura"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"}],"date_created":"2023-07-03T14:08:36Z","volume":31},{"doi":"10.1364/ol.486654","date_updated":"2023-07-25T10:58:05Z","volume":48,"author":[{"first_name":"Renato","last_name":"Domeneguetti","full_name":"Domeneguetti, Renato"},{"first_name":"Michael","last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael"},{"first_name":"Harald","full_name":"Herrmann, Harald","id":"216","last_name":"Herrmann"},{"full_name":"Silberhorn, Christine","id":"26263","last_name":"Silberhorn","first_name":"Christine"},{"last_name":"Andersen","full_name":"Andersen, Ulrik L.","first_name":"Ulrik L."},{"first_name":"Jonas S.","full_name":"Neergaard-Nielsen, Jonas S.","last_name":"Neergaard-Nielsen"},{"full_name":"Gehring, Tobias","last_name":"Gehring","first_name":"Tobias"}],"intvolume":"        48","citation":{"chicago":"Domeneguetti, Renato, Michael Stefszky, Harald Herrmann, Christine Silberhorn, Ulrik L. Andersen, Jonas S. Neergaard-Nielsen, and Tobias Gehring. “Fully Guided and Phase Locked Ti:PPLN Waveguide Squeezing for Applications in Quantum Sensing.” <i>Optics Letters</i> 48, no. 11 (2023). <a href=\"https://doi.org/10.1364/ol.486654\">https://doi.org/10.1364/ol.486654</a>.","ieee":"R. Domeneguetti <i>et al.</i>, “Fully guided and phase locked Ti:PPLN waveguide squeezing for applications in quantum sensing,” <i>Optics Letters</i>, vol. 48, no. 11, Art. no. 2999, 2023, doi: <a href=\"https://doi.org/10.1364/ol.486654\">10.1364/ol.486654</a>.","ama":"Domeneguetti R, Stefszky M, Herrmann H, et al. Fully guided and phase locked Ti:PPLN waveguide squeezing for applications in quantum sensing. <i>Optics Letters</i>. 2023;48(11). doi:<a href=\"https://doi.org/10.1364/ol.486654\">10.1364/ol.486654</a>","apa":"Domeneguetti, R., Stefszky, M., Herrmann, H., Silberhorn, C., Andersen, U. L., Neergaard-Nielsen, J. S., &#38; Gehring, T. (2023). Fully guided and phase locked Ti:PPLN waveguide squeezing for applications in quantum sensing. <i>Optics Letters</i>, <i>48</i>(11), Article 2999. <a href=\"https://doi.org/10.1364/ol.486654\">https://doi.org/10.1364/ol.486654</a>","short":"R. Domeneguetti, M. Stefszky, H. Herrmann, C. Silberhorn, U.L. Andersen, J.S. Neergaard-Nielsen, T. Gehring, Optics Letters 48 (2023).","mla":"Domeneguetti, Renato, et al. “Fully Guided and Phase Locked Ti:PPLN Waveguide Squeezing for Applications in Quantum Sensing.” <i>Optics Letters</i>, vol. 48, no. 11, 2999, Optica Publishing Group, 2023, doi:<a href=\"https://doi.org/10.1364/ol.486654\">10.1364/ol.486654</a>.","bibtex":"@article{Domeneguetti_Stefszky_Herrmann_Silberhorn_Andersen_Neergaard-Nielsen_Gehring_2023, title={Fully guided and phase locked Ti:PPLN waveguide squeezing for applications in quantum sensing}, volume={48}, DOI={<a href=\"https://doi.org/10.1364/ol.486654\">10.1364/ol.486654</a>}, number={112999}, journal={Optics Letters}, publisher={Optica Publishing Group}, author={Domeneguetti, Renato and Stefszky, Michael and Herrmann, Harald and Silberhorn, Christine and Andersen, Ulrik L. and Neergaard-Nielsen, Jonas S. and Gehring, Tobias}, year={2023} }"},"publication_identifier":{"issn":["0146-9592","1539-4794"]},"publication_status":"published","article_type":"original","article_number":"2999","_id":"46138","project":[{"_id":"218","name":"UNIQORN: UNIQORN - Affordable Quantum Communication for Everyone - EU Quantum Flagship Project"}],"department":[{"_id":"230"},{"_id":"623"},{"_id":"288"}],"user_id":"216","status":"public","type":"journal_article","title":"Fully guided and phase locked Ti:PPLN waveguide squeezing for applications in quantum sensing","publisher":"Optica Publishing Group","date_created":"2023-07-25T10:35:24Z","year":"2023","quality_controlled":"1","issue":"11","keyword":["Atomic and Molecular Physics","and Optics"],"language":[{"iso":"eng"}],"abstract":[{"lang":"eng","text":"<jats:p>This work reports a fully guided setup for single-mode squeezing on integrated titanium-indiffused periodically poled nonlinear resonators. A continuous-wave laser beam is delivered and the squeezed field is collected by single-mode fibers; up to −3.17(9) dB of useful squeezing is available in fibers. To showcase the usefulness of such a fiber-coupled device, we applied the generated squeezed light in a fiber-based phase sensing experiment, showing a quantum enhancement in the signal-to-noise ratio of 0.35 dB. Moreover, our investigation of the effect of photorefraction on the cavity resonance condition suggests that it causes system instabilities at high powers.</jats:p>"}],"publication":"Optics Letters"},{"publication":"PRX Quantum","type":"journal_article","status":"public","department":[{"_id":"288"},{"_id":"623"},{"_id":"15"}],"user_id":"27150","_id":"44081","language":[{"iso":"eng"}],"keyword":["General Physics and Astronomy","Mathematical Physics","Applied Mathematics","Electronic","Optical and Magnetic Materials","Electrical and Electronic Engineering","General Computer Science"],"article_number":"020306","issue":"2","publication_identifier":{"issn":["2691-3399"]},"publication_status":"published","intvolume":"         4","citation":{"short":"L. Serino, J. Gil López, M. Stefszky, R. Ricken, C. Eigner, B. Brecht, C. Silberhorn, PRX Quantum 4 (2023).","bibtex":"@article{Serino_Gil López_Stefszky_Ricken_Eigner_Brecht_Silberhorn_2023, title={Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States}, volume={4}, DOI={<a href=\"https://doi.org/10.1103/prxquantum.4.020306\">10.1103/prxquantum.4.020306</a>}, number={2020306}, journal={PRX Quantum}, publisher={American Physical Society (APS)}, author={Serino, Laura and Gil López, Jano and Stefszky, Michael and Ricken, Raimund and Eigner, Christof and Brecht, Benjamin and Silberhorn, Christine}, year={2023} }","mla":"Serino, Laura, et al. “Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States.” <i>PRX Quantum</i>, vol. 4, no. 2, 020306, American Physical Society (APS), 2023, doi:<a href=\"https://doi.org/10.1103/prxquantum.4.020306\">10.1103/prxquantum.4.020306</a>.","apa":"Serino, L., Gil López, J., Stefszky, M., Ricken, R., Eigner, C., Brecht, B., &#38; Silberhorn, C. (2023). Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States. <i>PRX Quantum</i>, <i>4</i>(2), Article 020306. <a href=\"https://doi.org/10.1103/prxquantum.4.020306\">https://doi.org/10.1103/prxquantum.4.020306</a>","chicago":"Serino, Laura, Jano Gil López, Michael Stefszky, Raimund Ricken, Christof Eigner, Benjamin Brecht, and Christine Silberhorn. “Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States.” <i>PRX Quantum</i> 4, no. 2 (2023). <a href=\"https://doi.org/10.1103/prxquantum.4.020306\">https://doi.org/10.1103/prxquantum.4.020306</a>.","ieee":"L. Serino <i>et al.</i>, “Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States,” <i>PRX Quantum</i>, vol. 4, no. 2, Art. no. 020306, 2023, doi: <a href=\"https://doi.org/10.1103/prxquantum.4.020306\">10.1103/prxquantum.4.020306</a>.","ama":"Serino L, Gil López J, Stefszky M, et al. Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States. <i>PRX Quantum</i>. 2023;4(2). doi:<a href=\"https://doi.org/10.1103/prxquantum.4.020306\">10.1103/prxquantum.4.020306</a>"},"year":"2023","volume":4,"date_created":"2023-04-20T12:38:23Z","author":[{"last_name":"Serino","full_name":"Serino, Laura","id":"88242","first_name":"Laura"},{"first_name":"Jano","last_name":"Gil López","id":"51223","full_name":"Gil López, Jano"},{"first_name":"Michael","last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael"},{"first_name":"Raimund","full_name":"Ricken, Raimund","last_name":"Ricken"},{"last_name":"Eigner","orcid":"https://orcid.org/0000-0002-5693-3083","id":"13244","full_name":"Eigner, Christof","first_name":"Christof"},{"id":"27150","full_name":"Brecht, Benjamin","orcid":"0000-0003-4140-0556 ","last_name":"Brecht","first_name":"Benjamin"},{"first_name":"Christine","id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn"}],"publisher":"American Physical Society (APS)","date_updated":"2025-12-18T16:15:18Z","doi":"10.1103/prxquantum.4.020306","title":"Realization of a Multi-Output Quantum Pulse Gate for Decoding High-Dimensional Temporal Modes of Single-Photon States"},{"doi":"10.1103/physreva.104.043707","title":"Quantum optical coherence: From linear to nonlinear interferometers","date_created":"2021-10-26T12:42:16Z","author":[{"first_name":"Kai Hong","last_name":"Luo","orcid":"0000-0003-1008-4976","full_name":"Luo, Kai Hong","id":"36389"},{"orcid":"0000-0001-5718-358X","last_name":"Santandrea","full_name":"Santandrea, Matteo","id":"55095","first_name":"Matteo"},{"last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael","first_name":"Michael"},{"first_name":"Jan","id":"75127","full_name":"Sperling, Jan","last_name":"Sperling","orcid":"0000-0002-5844-3205"},{"first_name":"Marcello","orcid":"0000-0002-2539-7652","last_name":"Massaro","full_name":"Massaro, Marcello","id":"59545"},{"first_name":"Alessandro","id":"65609","full_name":"Ferreri, Alessandro","last_name":"Ferreri"},{"last_name":"Sharapova","id":"60286","full_name":"Sharapova, Polina","first_name":"Polina"},{"first_name":"Harald","last_name":"Herrmann","full_name":"Herrmann, Harald","id":"216"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"}],"date_updated":"2023-04-20T15:08:25Z","citation":{"apa":"Luo, K. H., Santandrea, M., Stefszky, M., Sperling, J., Massaro, M., Ferreri, A., Sharapova, P., Herrmann, H., &#38; Silberhorn, C. (2021). Quantum optical coherence: From linear to nonlinear interferometers. <i>Physical Review A</i>. <a href=\"https://doi.org/10.1103/physreva.104.043707\">https://doi.org/10.1103/physreva.104.043707</a>","short":"K.H. Luo, M. Santandrea, M. Stefszky, J. Sperling, M. Massaro, A. Ferreri, P. Sharapova, H. Herrmann, C. Silberhorn, Physical Review A (2021).","bibtex":"@article{Luo_Santandrea_Stefszky_Sperling_Massaro_Ferreri_Sharapova_Herrmann_Silberhorn_2021, title={Quantum optical coherence: From linear to nonlinear interferometers}, DOI={<a href=\"https://doi.org/10.1103/physreva.104.043707\">10.1103/physreva.104.043707</a>}, journal={Physical Review A}, author={Luo, Kai Hong and Santandrea, Matteo and Stefszky, Michael and Sperling, Jan and Massaro, Marcello and Ferreri, Alessandro and Sharapova, Polina and Herrmann, Harald and Silberhorn, Christine}, year={2021} }","mla":"Luo, Kai Hong, et al. “Quantum Optical Coherence: From Linear to Nonlinear Interferometers.” <i>Physical Review A</i>, 2021, doi:<a href=\"https://doi.org/10.1103/physreva.104.043707\">10.1103/physreva.104.043707</a>.","ama":"Luo KH, Santandrea M, Stefszky M, et al. Quantum optical coherence: From linear to nonlinear interferometers. <i>Physical Review A</i>. Published online 2021. doi:<a href=\"https://doi.org/10.1103/physreva.104.043707\">10.1103/physreva.104.043707</a>","ieee":"K. H. Luo <i>et al.</i>, “Quantum optical coherence: From linear to nonlinear interferometers,” <i>Physical Review A</i>, 2021, doi: <a href=\"https://doi.org/10.1103/physreva.104.043707\">10.1103/physreva.104.043707</a>.","chicago":"Luo, Kai Hong, Matteo Santandrea, Michael Stefszky, Jan Sperling, Marcello Massaro, Alessandro Ferreri, Polina Sharapova, Harald Herrmann, and Christine Silberhorn. “Quantum Optical Coherence: From Linear to Nonlinear Interferometers.” <i>Physical Review A</i>, 2021. <a href=\"https://doi.org/10.1103/physreva.104.043707\">https://doi.org/10.1103/physreva.104.043707</a>."},"year":"2021","publication_status":"published","publication_identifier":{"issn":["2469-9926","2469-9934"]},"language":[{"iso":"eng"}],"user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"569"},{"_id":"706"},{"_id":"288"},{"_id":"230"},{"_id":"429"},{"_id":"35"}],"project":[{"name":"TRR 142: TRR 142","_id":"53"},{"name":"TRR 142 - C: TRR 142 - Project Area C","_id":"56"},{"_id":"72","name":"TRR 142 - C2: TRR 142 - Subproject C2"}],"_id":"26889","status":"public","type":"journal_article","publication":"Physical Review A"},{"project":[{"_id":"56","name":"TRR 142 - C: TRR 142 - Project Area C"}],"_id":"26077","user_id":"42777","department":[{"_id":"15"},{"_id":"288"}],"article_number":"461","language":[{"iso":"eng"}],"type":"journal_article","publication":"Quantum","abstract":[{"text":"<jats:p>Nonlinear SU(1,1) interferometers are fruitful and promising tools for spectral engineering and precise measurements with phase sensitivity below the classical bound. Such interferometers have been successfully realized in bulk and fiber-based configurations. However, rapidly developing integrated technologies provide higher efficiencies, smaller footprints, and pave the way to quantum-enhanced on-chip interferometry. In this work, we theoretically realised an integrated architecture of the multimode SU(1,1) interferometer which can be applied to various integrated platforms. The presented interferometer includes a polarization converter between two photon sources and utilizes a continuous-wave (CW) pump. Based on the potassium titanyl phosphate (KTP) platform, we show that this configuration results in almost perfect destructive interference at the output and supersensitivity regions below the classical limit. In addition, we discuss the fundamental difference between single-mode and highly multimode SU(1,1) interferometers in the properties of phase sensitivity and its limits. Finally, we explore how to improve the phase sensitivity by filtering the output radiation and using different seeding states in different modes with various detection strategies.</jats:p>","lang":"eng"}],"status":"public","date_updated":"2026-01-16T10:22:10Z","date_created":"2021-10-12T08:46:46Z","author":[{"last_name":"Ferreri","full_name":"Ferreri, Alessandro","id":"65609","first_name":"Alessandro"},{"first_name":"Matteo","orcid":"0000-0001-5718-358X","last_name":"Santandrea","id":"55095","full_name":"Santandrea, Matteo"},{"first_name":"Michael","full_name":"Stefszky, Michael","id":"42777","last_name":"Stefszky"},{"orcid":"0000-0003-1008-4976","last_name":"Luo","full_name":"Luo, Kai Hong","id":"36389","first_name":"Kai Hong"},{"first_name":"Harald","last_name":"Herrmann","id":"216","full_name":"Herrmann, Harald"},{"first_name":"Christine","id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn"},{"full_name":"Sharapova, Polina R.","id":"60286","last_name":"Sharapova","first_name":"Polina R."}],"title":"Spectrally multimode integrated SU(1,1) interferometer","doi":"10.22331/q-2021-05-27-461","publication_status":"published","publication_identifier":{"issn":["2521-327X"]},"year":"2021","citation":{"apa":"Ferreri, A., Santandrea, M., Stefszky, M., Luo, K. H., Herrmann, H., Silberhorn, C., &#38; Sharapova, P. R. (2021). Spectrally multimode integrated SU(1,1) interferometer. <i>Quantum</i>, Article 461. <a href=\"https://doi.org/10.22331/q-2021-05-27-461\">https://doi.org/10.22331/q-2021-05-27-461</a>","mla":"Ferreri, Alessandro, et al. “Spectrally Multimode Integrated SU(1,1) Interferometer.” <i>Quantum</i>, 461, 2021, doi:<a href=\"https://doi.org/10.22331/q-2021-05-27-461\">10.22331/q-2021-05-27-461</a>.","short":"A. Ferreri, M. Santandrea, M. Stefszky, K.H. Luo, H. Herrmann, C. Silberhorn, P.R. Sharapova, Quantum (2021).","bibtex":"@article{Ferreri_Santandrea_Stefszky_Luo_Herrmann_Silberhorn_Sharapova_2021, title={Spectrally multimode integrated SU(1,1) interferometer}, DOI={<a href=\"https://doi.org/10.22331/q-2021-05-27-461\">10.22331/q-2021-05-27-461</a>}, number={461}, journal={Quantum}, author={Ferreri, Alessandro and Santandrea, Matteo and Stefszky, Michael and Luo, Kai Hong and Herrmann, Harald and Silberhorn, Christine and Sharapova, Polina R.}, year={2021} }","ama":"Ferreri A, Santandrea M, Stefszky M, et al. Spectrally multimode integrated SU(1,1) interferometer. <i>Quantum</i>. Published online 2021. doi:<a href=\"https://doi.org/10.22331/q-2021-05-27-461\">10.22331/q-2021-05-27-461</a>","ieee":"A. Ferreri <i>et al.</i>, “Spectrally multimode integrated SU(1,1) interferometer,” <i>Quantum</i>, Art. no. 461, 2021, doi: <a href=\"https://doi.org/10.22331/q-2021-05-27-461\">10.22331/q-2021-05-27-461</a>.","chicago":"Ferreri, Alessandro, Matteo Santandrea, Michael Stefszky, Kai Hong Luo, Harald Herrmann, Christine Silberhorn, and Polina R. Sharapova. “Spectrally Multimode Integrated SU(1,1) Interferometer.” <i>Quantum</i>, 2021. <a href=\"https://doi.org/10.22331/q-2021-05-27-461\">https://doi.org/10.22331/q-2021-05-27-461</a>."}},{"title":"Nonlinear waveguides for integrated quantum light source","author":[{"first_name":"Renato R.","last_name":"Domeneguetti","full_name":"Domeneguetti, Renato R."},{"first_name":"Hauke","full_name":"Conradi, Hauke","last_name":"Conradi"},{"first_name":"Moritz","full_name":"Kleinert, Moritz","last_name":"Kleinert"},{"last_name":"Kießler","full_name":"Kießler, Christian","id":"44252","first_name":"Christian"},{"first_name":"Michael","last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael"},{"first_name":"Harald","full_name":"Herrmann, Harald","id":"216","last_name":"Herrmann"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"},{"full_name":"Andersen, Ulrik L.","last_name":"Andersen","first_name":"Ulrik L."},{"first_name":"Jonas Schou","last_name":"Neergaard-Nielsen","full_name":"Neergaard-Nielsen, Jonas Schou"},{"first_name":"Tobias","last_name":"Gehring","full_name":"Gehring, Tobias"}],"date_created":"2023-01-24T08:06:33Z","date_updated":"2026-01-16T10:21:27Z","publisher":"Optica Publishing Group","citation":{"apa":"Domeneguetti, R. R., Conradi, H., Kleinert, M., Kießler, C., Stefszky, M., Herrmann, H., Silberhorn, C., Andersen, U. L., Neergaard-Nielsen, J. S., &#38; Gehring, T. (2021). Nonlinear waveguides for integrated quantum light source. <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, eb_4_1.","short":"R.R. Domeneguetti, H. Conradi, M. Kleinert, C. Kießler, M. Stefszky, H. Herrmann, C. Silberhorn, U.L. Andersen, J.S. Neergaard-Nielsen, T. Gehring, in: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Optica Publishing Group, 2021, p. eb_4_1.","mla":"Domeneguetti, Renato R., et al. “Nonlinear Waveguides for Integrated Quantum Light Source.” <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, Optica Publishing Group, 2021, p. eb_4_1.","bibtex":"@inproceedings{Domeneguetti_Conradi_Kleinert_Kießler_Stefszky_Herrmann_Silberhorn_Andersen_Neergaard-Nielsen_Gehring_2021, title={Nonlinear waveguides for integrated quantum light source}, booktitle={2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference}, publisher={Optica Publishing Group}, author={Domeneguetti, Renato R. and Conradi, Hauke and Kleinert, Moritz and Kießler, Christian and Stefszky, Michael and Herrmann, Harald and Silberhorn, Christine and Andersen, Ulrik L. and Neergaard-Nielsen, Jonas Schou and Gehring, Tobias}, year={2021}, pages={eb_4_1} }","chicago":"Domeneguetti, Renato R., Hauke Conradi, Moritz Kleinert, Christian Kießler, Michael Stefszky, Harald Herrmann, Christine Silberhorn, Ulrik L. Andersen, Jonas Schou Neergaard-Nielsen, and Tobias Gehring. “Nonlinear Waveguides for Integrated Quantum Light Source.” In <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, eb_4_1. Optica Publishing Group, 2021.","ieee":"R. R. Domeneguetti <i>et al.</i>, “Nonlinear waveguides for integrated quantum light source,” in <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>, 2021, p. eb_4_1.","ama":"Domeneguetti RR, Conradi H, Kleinert M, et al. Nonlinear waveguides for integrated quantum light source. In: <i>2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference</i>. Optica Publishing Group; 2021:eb_4_1."},"page":"eb_4_1","year":"2021","language":[{"iso":"eng"}],"keyword":["Optical systems","Polymer waveguides","Quantum key distribution","Quantum light sources","Squeezed states","Waveguides"],"user_id":"42777","department":[{"_id":"15"},{"_id":"288"}],"_id":"39027","status":"public","abstract":[{"lang":"eng","text":"We experimentally investigate the generation of continuous-wave optical squeezing from a titanium-indiffused lithium niobate waveguide resonator at low and high frequencies. The device promises integration with different platform chips for more complex optical systems."}],"type":"conference","publication":"2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference"},{"_id":"26218","department":[{"_id":"288"},{"_id":"15"}],"user_id":"42777","article_number":"085803","language":[{"iso":"eng"}],"publication":"Journal of Optics","type":"journal_article","status":"public","date_updated":"2026-01-16T10:20:48Z","author":[{"full_name":"Santandrea, Matteo","id":"55095","orcid":"0000-0001-5718-358X","last_name":"Santandrea","first_name":"Matteo"},{"first_name":"Michael","last_name":"Stefszky","id":"42777","full_name":"Stefszky, Michael"},{"last_name":"Silberhorn","full_name":"Silberhorn, Christine","id":"26263","first_name":"Christine"}],"date_created":"2021-10-15T09:21:54Z","title":"General analytic theory of classical collinear three-wave mixing in a monolithic cavity","doi":"10.1088/2040-8986/ac0b90","publication_identifier":{"issn":["2040-8978","2040-8986"]},"publication_status":"published","year":"2021","citation":{"ama":"Santandrea M, Stefszky M, Silberhorn C. General analytic theory of classical collinear three-wave mixing in a monolithic cavity. <i>Journal of Optics</i>. Published online 2021. doi:<a href=\"https://doi.org/10.1088/2040-8986/ac0b90\">10.1088/2040-8986/ac0b90</a>","chicago":"Santandrea, Matteo, Michael Stefszky, and Christine Silberhorn. “General Analytic Theory of Classical Collinear Three-Wave Mixing in a Monolithic Cavity.” <i>Journal of Optics</i>, 2021. <a href=\"https://doi.org/10.1088/2040-8986/ac0b90\">https://doi.org/10.1088/2040-8986/ac0b90</a>.","ieee":"M. Santandrea, M. Stefszky, and C. Silberhorn, “General analytic theory of classical collinear three-wave mixing in a monolithic cavity,” <i>Journal of Optics</i>, Art. no. 085803, 2021, doi: <a href=\"https://doi.org/10.1088/2040-8986/ac0b90\">10.1088/2040-8986/ac0b90</a>.","apa":"Santandrea, M., Stefszky, M., &#38; Silberhorn, C. (2021). General analytic theory of classical collinear three-wave mixing in a monolithic cavity. <i>Journal of Optics</i>, Article 085803. <a href=\"https://doi.org/10.1088/2040-8986/ac0b90\">https://doi.org/10.1088/2040-8986/ac0b90</a>","short":"M. Santandrea, M. Stefszky, C. Silberhorn, Journal of Optics (2021).","mla":"Santandrea, Matteo, et al. “General Analytic Theory of Classical Collinear Three-Wave Mixing in a Monolithic Cavity.” <i>Journal of Optics</i>, 085803, 2021, doi:<a href=\"https://doi.org/10.1088/2040-8986/ac0b90\">10.1088/2040-8986/ac0b90</a>.","bibtex":"@article{Santandrea_Stefszky_Silberhorn_2021, title={General analytic theory of classical collinear three-wave mixing in a monolithic cavity}, DOI={<a href=\"https://doi.org/10.1088/2040-8986/ac0b90\">10.1088/2040-8986/ac0b90</a>}, number={085803}, journal={Journal of Optics}, author={Santandrea, Matteo and Stefszky, Michael and Silberhorn, Christine}, year={2021} }"}},{"status":"public","abstract":[{"text":"<jats:p>We present a frequency multimode integrated SU (1,1) interferometer with a polarization converter and strong signal-idler photon correlations. Phase sensitivity below the shot noise limit is demonstrated, various filtering and seeding strategies are discussed.</jats:p>","lang":"eng"}],"type":"conference","publication":"Conference on Lasers and Electro-Optics","language":[{"iso":"eng"}],"user_id":"16199","department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"230"},{"_id":"288"},{"_id":"429"},{"_id":"35"},{"_id":"429"}],"project":[{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - C: TRR 142 - Project Area C","_id":"56"},{"name":"TRR 142 - C2: TRR 142 - Subproject C2","_id":"72"}],"_id":"40374","citation":{"ieee":"A. Ferreri <i>et al.</i>, “Multimode integrated SU(1,1) interferometer,” 2021, doi: <a href=\"https://doi.org/10.1364/cleo_qels.2021.ftu1n.6\">10.1364/cleo_qels.2021.ftu1n.6</a>.","chicago":"Ferreri, A., Matteo Santandrea, Michael Stefszky, Kai Hong Luo, Harald Herrmann, Christine Silberhorn, and Polina Sharapova. “Multimode Integrated SU(1,1) Interferometer.” In <i>Conference on Lasers and Electro-Optics</i>. Optica Publishing Group, 2021. <a href=\"https://doi.org/10.1364/cleo_qels.2021.ftu1n.6\">https://doi.org/10.1364/cleo_qels.2021.ftu1n.6</a>.","ama":"Ferreri A, Santandrea M, Stefszky M, et al. Multimode integrated SU(1,1) interferometer. In: <i>Conference on Lasers and Electro-Optics</i>. Optica Publishing Group; 2021. doi:<a href=\"https://doi.org/10.1364/cleo_qels.2021.ftu1n.6\">10.1364/cleo_qels.2021.ftu1n.6</a>","apa":"Ferreri, A., Santandrea, M., Stefszky, M., Luo, K. H., Herrmann, H., Silberhorn, C., &#38; Sharapova, P. (2021). Multimode integrated SU(1,1) interferometer. <i>Conference on Lasers and Electro-Optics</i>. <a href=\"https://doi.org/10.1364/cleo_qels.2021.ftu1n.6\">https://doi.org/10.1364/cleo_qels.2021.ftu1n.6</a>","short":"A. Ferreri, M. Santandrea, M. Stefszky, K.H. Luo, H. Herrmann, C. Silberhorn, P. Sharapova, in: Conference on Lasers and Electro-Optics, Optica Publishing Group, 2021.","bibtex":"@inproceedings{Ferreri_Santandrea_Stefszky_Luo_Herrmann_Silberhorn_Sharapova_2021, title={Multimode integrated SU(1,1) interferometer}, DOI={<a href=\"https://doi.org/10.1364/cleo_qels.2021.ftu1n.6\">10.1364/cleo_qels.2021.ftu1n.6</a>}, booktitle={Conference on Lasers and Electro-Optics}, publisher={Optica Publishing Group}, author={Ferreri, A. and Santandrea, Matteo and Stefszky, Michael and Luo, Kai Hong and Herrmann, Harald and Silberhorn, Christine and Sharapova, Polina}, year={2021} }","mla":"Ferreri, A., et al. “Multimode Integrated SU(1,1) Interferometer.” <i>Conference on Lasers and Electro-Optics</i>, Optica Publishing Group, 2021, doi:<a href=\"https://doi.org/10.1364/cleo_qels.2021.ftu1n.6\">10.1364/cleo_qels.2021.ftu1n.6</a>."},"year":"2021","publication_status":"published","doi":"10.1364/cleo_qels.2021.ftu1n.6","title":"Multimode integrated SU(1,1) interferometer","author":[{"first_name":"A.","last_name":"Ferreri","full_name":"Ferreri, A."},{"first_name":"Matteo","last_name":"Santandrea","orcid":"0000-0001-5718-358X","full_name":"Santandrea, Matteo","id":"55095"},{"first_name":"Michael","id":"42777","full_name":"Stefszky, Michael","last_name":"Stefszky"},{"id":"36389","full_name":"Luo, Kai Hong","orcid":"0000-0003-1008-4976","last_name":"Luo","first_name":"Kai Hong"},{"last_name":"Herrmann","full_name":"Herrmann, Harald","id":"216","first_name":"Harald"},{"id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn","first_name":"Christine"},{"first_name":"Polina","id":"60286","full_name":"Sharapova, Polina","last_name":"Sharapova"}],"date_created":"2023-01-26T13:57:47Z","date_updated":"2025-12-16T11:13:18Z","publisher":"Optica Publishing Group"},{"language":[{"iso":"eng"}],"article_number":"1991","department":[{"_id":"15"},{"_id":"288"}],"user_id":"13244","_id":"22771","status":"public","publication":"Optics Express","type":"journal_article","doi":"10.1364/oe.412824","title":"Waveguide resonator with an integrated phase modulator for second harmonic generation","author":[{"id":"42777","full_name":"Stefszky, Michael","last_name":"Stefszky","first_name":"Michael"},{"last_name":"Santandrea","orcid":"0000-0001-5718-358X","id":"55095","full_name":"Santandrea, Matteo","first_name":"Matteo"},{"last_name":"vom Bruch","id":"71245","full_name":"vom Bruch, Felix","first_name":"Felix"},{"first_name":"S.","full_name":"Krapick, S.","last_name":"Krapick"},{"first_name":"Christof","full_name":"Eigner, Christof","id":"13244","last_name":"Eigner","orcid":"https://orcid.org/0000-0002-5693-3083"},{"first_name":"R.","full_name":"Ricken, R.","last_name":"Ricken"},{"full_name":"Quiring, V.","last_name":"Quiring","first_name":"V."},{"first_name":"Harald","id":"216","full_name":"Herrmann, Harald","last_name":"Herrmann"},{"id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn","first_name":"Christine"}],"date_created":"2021-07-21T07:49:22Z","date_updated":"2022-01-06T06:55:40Z","citation":{"short":"M. Stefszky, M. Santandrea, F. vom Bruch, S. Krapick, C. Eigner, R. Ricken, V. Quiring, H. Herrmann, C. Silberhorn, Optics Express (2020).","bibtex":"@article{Stefszky_Santandrea_vom Bruch_Krapick_Eigner_Ricken_Quiring_Herrmann_Silberhorn_2020, title={Waveguide resonator with an integrated phase modulator for second harmonic generation}, DOI={<a href=\"https://doi.org/10.1364/oe.412824\">10.1364/oe.412824</a>}, number={1991}, journal={Optics Express}, author={Stefszky, Michael and Santandrea, Matteo and vom Bruch, Felix and Krapick, S. and Eigner, Christof and Ricken, R. and Quiring, V. and Herrmann, Harald and Silberhorn, Christine}, year={2020} }","mla":"Stefszky, Michael, et al. “Waveguide Resonator with an Integrated Phase Modulator for Second Harmonic Generation.” <i>Optics Express</i>, 1991, 2020, doi:<a href=\"https://doi.org/10.1364/oe.412824\">10.1364/oe.412824</a>.","apa":"Stefszky, M., Santandrea, M., vom Bruch, F., Krapick, S., Eigner, C., Ricken, R., Quiring, V., Herrmann, H., &#38; Silberhorn, C. (2020). Waveguide resonator with an integrated phase modulator for second harmonic generation. <i>Optics Express</i>, Article 1991. <a href=\"https://doi.org/10.1364/oe.412824\">https://doi.org/10.1364/oe.412824</a>","ieee":"M. Stefszky <i>et al.</i>, “Waveguide resonator with an integrated phase modulator for second harmonic generation,” <i>Optics Express</i>, Art. no. 1991, 2020, doi: <a href=\"https://doi.org/10.1364/oe.412824\">10.1364/oe.412824</a>.","chicago":"Stefszky, Michael, Matteo Santandrea, Felix vom Bruch, S. Krapick, Christof Eigner, R. Ricken, V. Quiring, Harald Herrmann, and Christine Silberhorn. “Waveguide Resonator with an Integrated Phase Modulator for Second Harmonic Generation.” <i>Optics Express</i>, 2020. <a href=\"https://doi.org/10.1364/oe.412824\">https://doi.org/10.1364/oe.412824</a>.","ama":"Stefszky M, Santandrea M, vom Bruch F, et al. Waveguide resonator with an integrated phase modulator for second harmonic generation. <i>Optics Express</i>. Published online 2020. doi:<a href=\"https://doi.org/10.1364/oe.412824\">10.1364/oe.412824</a>"},"year":"2020","publication_identifier":{"issn":["1094-4087"]},"publication_status":"published"}]