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K., et al. “Low Areal Densities of InAs Quantum Dots on GaAs(100) Prepared by Molecular Beam Epitaxy.” Journal of Crystal Growth, 126715, Elsevier BV, 2022, doi:10.1016/j.jcrysgro.2022.126715.","bibtex":"@article{Verma_Bopp_Finley_Jonas_Zrenner_Reuter_2022, title={Low Areal Densities of InAs Quantum Dots on GaAs(100) Prepared by Molecular Beam Epitaxy}, DOI={10.1016/j.jcrysgro.2022.126715}, number={126715}, journal={Journal of Crystal Growth}, publisher={Elsevier BV}, author={Verma, A.K. and Bopp, F. and Finley, J.J. and Jonas, B. and Zrenner, A. and Reuter, Dirk}, year={2022} }","ama":"Verma AK, Bopp F, Finley JJ, Jonas B, Zrenner A, Reuter D. Low Areal Densities of InAs Quantum Dots on GaAs(100) Prepared by Molecular Beam Epitaxy. Journal of Crystal Growth. Published online 2022. doi:10.1016/j.jcrysgro.2022.126715","apa":"Verma, A. K., Bopp, F., Finley, J. J., Jonas, B., Zrenner, A., & Reuter, D. (2022). Low Areal Densities of InAs Quantum Dots on GaAs(100) Prepared by Molecular Beam Epitaxy. Journal of Crystal Growth, Article 126715. https://doi.org/10.1016/j.jcrysgro.2022.126715"},"user_id":"42514","publication_status":"published","keyword":["Materials Chemistry","Inorganic Chemistry","Condensed Matter Physics"],"doi":"10.1016/j.jcrysgro.2022.126715","title":"Low Areal Densities of InAs Quantum Dots on GaAs(100) Prepared by Molecular Beam Epitaxy","author":[{"first_name":"A.K.","full_name":"Verma, A.K.","last_name":"Verma"},{"last_name":"Bopp","full_name":"Bopp, F.","first_name":"F."},{"first_name":"J.J.","full_name":"Finley, J.J.","last_name":"Finley"},{"first_name":"B.","full_name":"Jonas, B.","last_name":"Jonas"},{"last_name":"Zrenner","full_name":"Zrenner, A.","first_name":"A."},{"first_name":"Dirk","full_name":"Reuter, Dirk","id":"37763","last_name":"Reuter"}]},{"title":"Experimental verification of the acoustic geometric phase","abstract":[{"text":"Optical geometric phase encoded by in-plane spatial orientation of microstructures has promoted the rapid development of numerous functional meta-devices. However, pushing the concept of the geometric phase toward the acoustic community still faces challenges. In this work, we utilize two acoustic nonlocal metagratings that could support a direct conversion between an acoustic plane wave and a designated vortex mode to obtain the acoustic geometric phase, in which an orbital angular momentum conversion process plays a vital role. In addition, we realize the acoustic geometric phases of different orders by merely varying the orientation angle of the acoustic nonlocal metagratings. Intriguingly, according to our developed theory, we reveal that the reflective acoustic geometric phase, which is twice the transmissive one, can be readily realized by transferring the transmitted configuration to a reflected one. Both the theoretical study and experimental measurements verify the announced transmissive and reflective acoustic geometric phases. Moreover, the reconfigurability and continuous phase modulation that covers the 2π range shown by the acoustic geometric phases provide us with the alternatives in advanced acoustic wavefront control.","lang":"eng"}],"doi":"10.1063/5.0091474","keyword":["Physics and Astronomy (miscellaneous)"],"user_id":"30525","publication":"Applied Physics Letters","type":"journal_article","volume":120,"issue":"21","article_number":"211702","author":[{"last_name":"Liu","full_name":"Liu, Bingyi","first_name":"Bingyi"},{"last_name":"Zhou","first_name":"Zhiling","full_name":"Zhou, Zhiling"},{"last_name":"Wang","full_name":"Wang, Yongtian","first_name":"Yongtian"},{"orcid":"0000-0002-8662-1101","first_name":"Thomas","full_name":"Zentgraf, Thomas","id":"30525","last_name":"Zentgraf"},{"first_name":"Yong","full_name":"Li, Yong","last_name":"Li"},{"full_name":"Huang, Lingling","first_name":"Lingling","last_name":"Huang"}],"intvolume":" 120","publication_status":"published","citation":{"ieee":"B. Liu, Z. Zhou, Y. Wang, T. Zentgraf, Y. Li, and L. Huang, “Experimental verification of the acoustic geometric phase,” Applied Physics Letters, vol. 120, no. 21, Art. no. 211702, 2022, doi: 10.1063/5.0091474.","chicago":"Liu, Bingyi, Zhiling Zhou, Yongtian Wang, Thomas Zentgraf, Yong Li, and Lingling Huang. “Experimental Verification of the Acoustic Geometric Phase.” Applied Physics Letters 120, no. 21 (2022). https://doi.org/10.1063/5.0091474.","short":"B. Liu, Z. Zhou, Y. Wang, T. Zentgraf, Y. Li, L. Huang, Applied Physics Letters 120 (2022).","apa":"Liu, B., Zhou, Z., Wang, Y., Zentgraf, T., Li, Y., & Huang, L. (2022). Experimental verification of the acoustic geometric phase. Applied Physics Letters, 120(21), Article 211702. https://doi.org/10.1063/5.0091474","ama":"Liu B, Zhou Z, Wang Y, Zentgraf T, Li Y, Huang L. Experimental verification of the acoustic geometric phase. Applied Physics Letters. 2022;120(21). doi:10.1063/5.0091474","bibtex":"@article{Liu_Zhou_Wang_Zentgraf_Li_Huang_2022, title={Experimental verification of the acoustic geometric phase}, volume={120}, DOI={10.1063/5.0091474}, number={21211702}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Liu, Bingyi and Zhou, Zhiling and Wang, Yongtian and Zentgraf, Thomas and Li, Yong and Huang, Lingling}, year={2022} }","mla":"Liu, Bingyi, et al. “Experimental Verification of the Acoustic Geometric Phase.” Applied Physics Letters, vol. 120, no. 21, 211702, AIP Publishing, 2022, doi:10.1063/5.0091474."},"department":[{"_id":"15"},{"_id":"230"},{"_id":"289"},{"_id":"623"}],"publisher":"AIP Publishing","date_created":"2022-05-27T12:35:53Z","status":"public","language":[{"iso":"eng"}],"year":"2022","publication_identifier":{"issn":["0003-6951","1077-3118"]},"_id":"31480","date_updated":"2022-05-27T12:36:43Z"},{"publication":"Physical Review Letters","date_created":"2022-05-31T05:46:35Z","publisher":"American Physical Society (APS)","year":"2022","type":"journal_article","publication_identifier":{"issn":["0031-9007","1079-7114"]},"language":[{"iso":"eng"}],"status":"public","_id":"31541","volume":128,"article_number":"157401","date_updated":"2022-05-31T05:47:21Z","issue":"15","title":"Giant Photoelasticity of Polaritons for Detection of Coherent Phonons in a Superlattice with Quantum Sensitivity","author":[{"first_name":"Michal","full_name":"Kobecki, Michal","last_name":"Kobecki"},{"full_name":"Scherbakov, Alexey V.","first_name":"Alexey V.","last_name":"Scherbakov"},{"last_name":"Kukhtaruk","first_name":"Serhii M.","full_name":"Kukhtaruk, Serhii M."},{"last_name":"Yaremkevich","full_name":"Yaremkevich, Dmytro D.","first_name":"Dmytro D."},{"first_name":"Tobias","full_name":"Henksmeier, Tobias","last_name":"Henksmeier"},{"last_name":"Trapp","full_name":"Trapp, Alexander","first_name":"Alexander"},{"id":"37763","last_name":"Reuter","first_name":"Dirk","full_name":"Reuter, Dirk"},{"first_name":"Vitalyi E.","full_name":"Gusev, Vitalyi E.","last_name":"Gusev"},{"first_name":"Andrey V.","full_name":"Akimov, Andrey V.","last_name":"Akimov"},{"last_name":"Bayer","first_name":"Manfred","full_name":"Bayer, Manfred"}],"doi":"10.1103/physrevlett.128.157401","intvolume":" 128","citation":{"chicago":"Kobecki, Michal, Alexey V. Scherbakov, Serhii M. Kukhtaruk, Dmytro D. Yaremkevich, Tobias Henksmeier, Alexander Trapp, Dirk Reuter, Vitalyi E. Gusev, Andrey V. Akimov, and Manfred Bayer. “Giant Photoelasticity of Polaritons for Detection of Coherent Phonons in a Superlattice with Quantum Sensitivity.” Physical Review Letters 128, no. 15 (2022). https://doi.org/10.1103/physrevlett.128.157401.","short":"M. Kobecki, A.V. Scherbakov, S.M. Kukhtaruk, D.D. Yaremkevich, T. Henksmeier, A. Trapp, D. Reuter, V.E. Gusev, A.V. Akimov, M. Bayer, Physical Review Letters 128 (2022).","ieee":"M. Kobecki et al., “Giant Photoelasticity of Polaritons for Detection of Coherent Phonons in a Superlattice with Quantum Sensitivity,” Physical Review Letters, vol. 128, no. 15, Art. no. 157401, 2022, doi: 10.1103/physrevlett.128.157401.","mla":"Kobecki, Michal, et al. “Giant Photoelasticity of Polaritons for Detection of Coherent Phonons in a Superlattice with Quantum Sensitivity.” Physical Review Letters, vol. 128, no. 15, 157401, American Physical Society (APS), 2022, doi:10.1103/physrevlett.128.157401.","apa":"Kobecki, M., Scherbakov, A. V., Kukhtaruk, S. M., Yaremkevich, D. D., Henksmeier, T., Trapp, A., Reuter, D., Gusev, V. E., Akimov, A. V., & Bayer, M. (2022). Giant Photoelasticity of Polaritons for Detection of Coherent Phonons in a Superlattice with Quantum Sensitivity. Physical Review Letters, 128(15), Article 157401. https://doi.org/10.1103/physrevlett.128.157401","bibtex":"@article{Kobecki_Scherbakov_Kukhtaruk_Yaremkevich_Henksmeier_Trapp_Reuter_Gusev_Akimov_Bayer_2022, title={Giant Photoelasticity of Polaritons for Detection of Coherent Phonons in a Superlattice with Quantum Sensitivity}, volume={128}, DOI={10.1103/physrevlett.128.157401}, number={15157401}, journal={Physical Review Letters}, publisher={American Physical Society (APS)}, author={Kobecki, Michal and Scherbakov, Alexey V. and Kukhtaruk, Serhii M. and Yaremkevich, Dmytro D. and Henksmeier, Tobias and Trapp, Alexander and Reuter, Dirk and Gusev, Vitalyi E. and Akimov, Andrey V. and Bayer, Manfred}, year={2022} }","ama":"Kobecki M, Scherbakov AV, Kukhtaruk SM, et al. Giant Photoelasticity of Polaritons for Detection of Coherent Phonons in a Superlattice with Quantum Sensitivity. Physical Review Letters. 2022;128(15). doi:10.1103/physrevlett.128.157401"},"user_id":"42514","publication_status":"published","keyword":["General Physics and Astronomy"],"department":[{"_id":"15"},{"_id":"230"}]},{"citation":{"ama":"Bopp F, Rojas J, Revenga N, et al. Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling. Advanced Quantum Technologies. Published online 2022. doi:10.1002/qute.202200049","apa":"Bopp, F., Rojas, J., Revenga, N., Riedl, H., Sbresny, F., Boos, K., Simmet, T., Ahmadi, A., Gershoni, D., Kasprzak, J., Ludwig, A., Reitzenstein, S., Wieck, A., Reuter, D., Müller, K., & Finley, J. J. (2022). Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling. Advanced Quantum Technologies, Article 2200049. https://doi.org/10.1002/qute.202200049","ieee":"F. Bopp et al., “Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling,” Advanced Quantum Technologies, Art. no. 2200049, 2022, doi: 10.1002/qute.202200049.","chicago":"Bopp, Frederik, Jonathan Rojas, Natalia Revenga, Hubert Riedl, Friedrich Sbresny, Katarina Boos, Tobias Simmet, et al. “Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling.” Advanced Quantum Technologies, 2022. https://doi.org/10.1002/qute.202200049.","bibtex":"@article{Bopp_Rojas_Revenga_Riedl_Sbresny_Boos_Simmet_Ahmadi_Gershoni_Kasprzak_et al._2022, title={Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling}, DOI={10.1002/qute.202200049}, number={2200049}, journal={Advanced Quantum Technologies}, publisher={Wiley}, author={Bopp, Frederik and Rojas, Jonathan and Revenga, Natalia and Riedl, Hubert and Sbresny, Friedrich and Boos, Katarina and Simmet, Tobias and Ahmadi, Arash and Gershoni, David and Kasprzak, Jacek and et al.}, year={2022} }","mla":"Bopp, Frederik, et al. “Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling.” Advanced Quantum Technologies, 2200049, Wiley, 2022, doi:10.1002/qute.202200049.","short":"F. Bopp, J. Rojas, N. Revenga, H. Riedl, F. Sbresny, K. Boos, T. Simmet, A. Ahmadi, D. Gershoni, J. Kasprzak, A. Ludwig, S. Reitzenstein, A. Wieck, D. Reuter, K. Müller, J.J. Finley, Advanced Quantum Technologies (2022)."},"keyword":["Electrical and Electronic Engineering","Computational Theory and Mathematics","Condensed Matter Physics","Mathematical Physics","Nuclear and High Energy Physics","Electronic","Optical and Magnetic Materials","Statistical and Nonlinear Physics"],"publication_status":"published","user_id":"42514","department":[{"_id":"15"},{"_id":"230"}],"title":"Quantum Dot Molecule Devices with Optical Control of Charge Status and Electronic Control of Coupling","author":[{"last_name":"Bopp","full_name":"Bopp, Frederik","first_name":"Frederik"},{"last_name":"Rojas","first_name":"Jonathan","full_name":"Rojas, Jonathan"},{"last_name":"Revenga","first_name":"Natalia","full_name":"Revenga, Natalia"},{"last_name":"Riedl","first_name":"Hubert","full_name":"Riedl, Hubert"},{"last_name":"Sbresny","first_name":"Friedrich","full_name":"Sbresny, Friedrich"},{"first_name":"Katarina","full_name":"Boos, Katarina","last_name":"Boos"},{"last_name":"Simmet","full_name":"Simmet, Tobias","first_name":"Tobias"},{"full_name":"Ahmadi, Arash","first_name":"Arash","last_name":"Ahmadi"},{"last_name":"Gershoni","full_name":"Gershoni, David","first_name":"David"},{"last_name":"Kasprzak","full_name":"Kasprzak, Jacek","first_name":"Jacek"},{"last_name":"Ludwig","first_name":"Arne","full_name":"Ludwig, Arne"},{"last_name":"Reitzenstein","first_name":"Stephan","full_name":"Reitzenstein, Stephan"},{"last_name":"Wieck","first_name":"Andreas","full_name":"Wieck, Andreas"},{"last_name":"Reuter","id":"37763","full_name":"Reuter, Dirk","first_name":"Dirk"},{"full_name":"Müller, Kai","first_name":"Kai","last_name":"Müller"},{"full_name":"Finley, Jonathan J.","first_name":"Jonathan J.","last_name":"Finley"}],"doi":"10.1002/qute.202200049","_id":"33332","article_number":"2200049","date_updated":"2022-09-12T07:18:06Z","date_created":"2022-09-12T07:17:26Z","publication":"Advanced Quantum Technologies","publisher":"Wiley","language":[{"iso":"eng"}],"type":"journal_article","year":"2022","publication_identifier":{"issn":["2511-9044","2511-9044"]},"status":"public"},{"page":"207","volume":48,"issue":"2","publication":"Optics Letters","ddc":["530"],"type":"journal_article","user_id":"158","keyword":["tet_topic_waveguide"],"title":"Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint","file":[{"relation":"main_file","date_updated":"2023-01-03T09:36:34Z","content_type":"application/pdf","file_id":"35129","access_level":"local","date_created":"2023-01-03T09:36:34Z","creator":"fossie","file_name":"2023-01 Nikbakht - Optics Letter - Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and small footprint.pdf","file_size":3731864,"embargo_to":"open_access","embargo":"2024-01-03"}],"has_accepted_license":"1","doi":"10.1364/ol.476537","abstract":[{"text":"Here we demonstrate a new, to the best of our knowledge, type of 3-dB coupler that has an ultra-broadband operational range from 1300 to 1600 nm with low fabrication sensitivity. The overall device size is 800 µm including in/out S-bend waveguides. The coupler is an asymmetric non-uniform directional coupler that consists of two tapered waveguides. One of the coupler arms is shifted by 100 µm in the propagation direction, which results in a more wavelength-insensitive 3-dB response compared to a standard (not shifted) coupler. Moreover, compared to a long adiabatic coupler, we achieved a similar wavelength response at a 16-times-smaller device length. The couplers were fabricated using the silicon nitride platform of Lionix International. We also experimentally demonstrated an optical switch that is made by using two of these couplers in a Mach–Zehnder interferometer configuration. According to experimental results, this optical switch exhibits –10 dB of extinction ratio over the 1500–1600 nm wavelength range. Our results indicate that this new type of coupler holds great promise for various applications, including optical imaging, telecommunications, and reconfigurable photonic processors where compact, fabrication-tolerant, and wavelength-insensitive couplers are essential.","lang":"eng"}],"_id":"35128","file_date_updated":"2023-01-03T09:36:34Z","date_updated":"2023-01-03T10:37:34Z","date_created":"2023-01-03T09:32:47Z","publisher":"Optica Publishing Group","year":"2022","publication_identifier":{"issn":["0146-9592","1539-4794"]},"language":[{"iso":"eng"}],"status":"public","citation":{"bibtex":"@article{Nikbakht_Khoshmehr_van Someren_Teichrib_Hammer_Förstner_Akca_2022, title={Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint}, volume={48}, DOI={10.1364/ol.476537}, number={2}, journal={Optics Letters}, publisher={Optica Publishing Group}, author={Nikbakht, Hamed and Khoshmehr, Mohammad Talebi and van Someren, Bob and Teichrib, Dieter and Hammer, Manfred and Förstner, Jens and Akca, B. Imran}, year={2022}, pages={207} }","mla":"Nikbakht, Hamed, et al. “Asymmetric, Non-Uniform 3-DB Directional Coupler with 300-Nm Bandwidth and a Small Footprint.” Optics Letters, vol. 48, no. 2, Optica Publishing Group, 2022, p. 207, doi:10.1364/ol.476537.","short":"H. Nikbakht, M.T. Khoshmehr, B. van Someren, D. Teichrib, M. Hammer, J. Förstner, B.I. Akca, Optics Letters 48 (2022) 207.","ama":"Nikbakht H, Khoshmehr MT, van Someren B, et al. Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint. Optics Letters. 2022;48(2):207. doi:10.1364/ol.476537","apa":"Nikbakht, H., Khoshmehr, M. T., van Someren, B., Teichrib, D., Hammer, M., Förstner, J., & Akca, B. I. (2022). Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint. Optics Letters, 48(2), 207. https://doi.org/10.1364/ol.476537","ieee":"H. Nikbakht et al., “Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint,” Optics Letters, vol. 48, no. 2, p. 207, 2022, doi: 10.1364/ol.476537.","chicago":"Nikbakht, Hamed, Mohammad Talebi Khoshmehr, Bob van Someren, Dieter Teichrib, Manfred Hammer, Jens Förstner, and B. Imran Akca. “Asymmetric, Non-Uniform 3-DB Directional Coupler with 300-Nm Bandwidth and a Small Footprint.” Optics Letters 48, no. 2 (2022): 207. https://doi.org/10.1364/ol.476537."},"publication_status":"published","department":[{"_id":"61"},{"_id":"230"}],"author":[{"last_name":"Nikbakht","full_name":"Nikbakht, Hamed","first_name":"Hamed"},{"first_name":"Mohammad Talebi","full_name":"Khoshmehr, Mohammad Talebi","last_name":"Khoshmehr"},{"last_name":"van Someren","first_name":"Bob","full_name":"van Someren, Bob"},{"first_name":"Dieter","full_name":"Teichrib, Dieter","last_name":"Teichrib"},{"orcid":"0000-0002-6331-9348","full_name":"Hammer, Manfred","first_name":"Manfred","id":"48077","last_name":"Hammer"},{"first_name":"Jens","full_name":"Förstner, Jens","id":"158","last_name":"Förstner","orcid":"0000-0001-7059-9862"},{"first_name":"B. Imran","full_name":"Akca, B. Imran","last_name":"Akca"}],"intvolume":" 48"},{"status":"public","type":"journal_article","year":"2022","publication_identifier":{"issn":["0021-8979","1089-7550"]},"language":[{"iso":"eng"}],"publisher":"AIP Publishing","publication":"Journal of Applied Physics","date_created":"2022-11-10T14:19:21Z","date_updated":"2023-01-10T12:08:26Z","issue":"18","article_number":"185701","volume":132,"_id":"34056","abstract":[{"lang":"eng","text":" A process sequence enabling the large-area fabrication of nanopillar-patterned semiconductor templates for selective-area heteroepitaxy is developed. Herein, the nanopillar tops surrounded by a SiNx mask film serve as nanoscale growth areas. The molecular beam epitaxial growth of InAs on such patterned GaAs[Formula: see text]A templates is investigated by means of electron microscopy. It is found that defect-free nanoscale InAs islands grow selectively on the nanopillar tops at a substrate temperature of 425 °C. High-angle annular dark-field scanning transmission electron microscopy imaging reveals that for a growth temperature of 400 °C, the InAs islands show a tendency to form wurtzite phase arms extending along the lateral [Formula: see text] directions from the central zinc blende region of the islands. This is ascribed to a temporary self-catalyzed vapor–liquid–solid growth on [Formula: see text] B facets, which leads to a kinetically induced preference for the nucleation of the wurtzite phase driven by the local, instantaneous V/III ratio, and to a concomitant reduction of surface energy of the nanoscale diameter arms. "}],"intvolume":" 132","doi":"10.1063/5.0121559","author":[{"first_name":"Thomas","full_name":"Riedl, Thomas","last_name":"Riedl","id":"36950"},{"last_name":"Kunnathully","first_name":"Vinay S.","full_name":"Kunnathully, Vinay S."},{"id":"72998","last_name":"Verma","first_name":"Akshay Kumar","full_name":"Verma, Akshay Kumar"},{"last_name":"Langer","first_name":"Timo","full_name":"Langer, Timo"},{"first_name":"Dirk","full_name":"Reuter, Dirk","id":"37763","last_name":"Reuter"},{"full_name":"Büker, Björn","first_name":"Björn","last_name":"Büker"},{"last_name":"Hütten","first_name":"Andreas","full_name":"Hütten, Andreas"},{"full_name":"Lindner, Jörg","first_name":"Jörg","id":"20797","last_name":"Lindner"}],"title":"Selective area heteroepitaxy of InAs nanostructures on nanopillar-patterned GaAs(111)A","department":[{"_id":"15"},{"_id":"230"}],"user_id":"77496","keyword":["General Physics and Astronomy"],"publication_status":"published","citation":{"apa":"Riedl, T., Kunnathully, V. S., Verma, A. K., Langer, T., Reuter, D., Büker, B., Hütten, A., & Lindner, J. (2022). Selective area heteroepitaxy of InAs nanostructures on nanopillar-patterned GaAs(111)A. Journal of Applied Physics, 132(18), Article 185701. https://doi.org/10.1063/5.0121559","ama":"Riedl T, Kunnathully VS, Verma AK, et al. Selective area heteroepitaxy of InAs nanostructures on nanopillar-patterned GaAs(111)A. Journal of Applied Physics. 2022;132(18). doi:10.1063/5.0121559","chicago":"Riedl, Thomas, Vinay S. Kunnathully, Akshay Kumar Verma, Timo Langer, Dirk Reuter, Björn Büker, Andreas Hütten, and Jörg Lindner. “Selective Area Heteroepitaxy of InAs Nanostructures on Nanopillar-Patterned GaAs(111)A.” Journal of Applied Physics 132, no. 18 (2022). https://doi.org/10.1063/5.0121559.","ieee":"T. Riedl et al., “Selective area heteroepitaxy of InAs nanostructures on nanopillar-patterned GaAs(111)A,” Journal of Applied Physics, vol. 132, no. 18, Art. no. 185701, 2022, doi: 10.1063/5.0121559.","mla":"Riedl, Thomas, et al. “Selective Area Heteroepitaxy of InAs Nanostructures on Nanopillar-Patterned GaAs(111)A.” Journal of Applied Physics, vol. 132, no. 18, 185701, AIP Publishing, 2022, doi:10.1063/5.0121559.","bibtex":"@article{Riedl_Kunnathully_Verma_Langer_Reuter_Büker_Hütten_Lindner_2022, title={Selective area heteroepitaxy of InAs nanostructures on nanopillar-patterned GaAs(111)A}, volume={132}, DOI={10.1063/5.0121559}, number={18185701}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Riedl, Thomas and Kunnathully, Vinay S. and Verma, Akshay Kumar and Langer, Timo and Reuter, Dirk and Büker, Björn and Hütten, Andreas and Lindner, Jörg}, year={2022} }","short":"T. Riedl, V.S. Kunnathully, A.K. Verma, T. Langer, D. Reuter, B. Büker, A. Hütten, J. Lindner, Journal of Applied Physics 132 (2022)."}},{"date_created":"2022-11-10T14:11:18Z","publication":"Advanced Materials Interfaces","publisher":"Wiley","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2196-7350","2196-7350"]},"year":"2022","type":"journal_article","status":"public","_id":"34053","volume":9,"article_number":"2102159","issue":"11","date_updated":"2023-01-10T12:09:09Z","title":"Size‐Dependent Strain Relaxation in InAs Quantum Dots on Top of GaAs(111)A Nanopillars","author":[{"full_name":"Riedl, Thomas","first_name":"Thomas","last_name":"Riedl","id":"36950"},{"last_name":"Kunnathully","full_name":"Kunnathully, Vinay","first_name":"Vinay"},{"last_name":"Trapp","first_name":"Alexander","full_name":"Trapp, Alexander"},{"last_name":"Langer","full_name":"Langer, Timo","first_name":"Timo"},{"id":"37763","last_name":"Reuter","first_name":"Dirk","full_name":"Reuter, Dirk"},{"first_name":"Jörg","full_name":"Lindner, Jörg","id":"20797","last_name":"Lindner"}],"intvolume":" 9","doi":"10.1002/admi.202102159","citation":{"mla":"Riedl, Thomas, et al. “Size‐Dependent Strain Relaxation in InAs Quantum Dots on Top of GaAs(111)A Nanopillars.” Advanced Materials Interfaces, vol. 9, no. 11, 2102159, Wiley, 2022, doi:10.1002/admi.202102159.","bibtex":"@article{Riedl_Kunnathully_Trapp_Langer_Reuter_Lindner_2022, title={Size‐Dependent Strain Relaxation in InAs Quantum Dots on Top of GaAs(111)A Nanopillars}, volume={9}, DOI={10.1002/admi.202102159}, number={112102159}, journal={Advanced Materials Interfaces}, publisher={Wiley}, author={Riedl, Thomas and Kunnathully, Vinay and Trapp, Alexander and Langer, Timo and Reuter, Dirk and Lindner, Jörg}, year={2022} }","short":"T. Riedl, V. Kunnathully, A. Trapp, T. Langer, D. Reuter, J. Lindner, Advanced Materials Interfaces 9 (2022).","apa":"Riedl, T., Kunnathully, V., Trapp, A., Langer, T., Reuter, D., & Lindner, J. (2022). Size‐Dependent Strain Relaxation in InAs Quantum Dots on Top of GaAs(111)A Nanopillars. Advanced Materials Interfaces, 9(11), Article 2102159. https://doi.org/10.1002/admi.202102159","ama":"Riedl T, Kunnathully V, Trapp A, Langer T, Reuter D, Lindner J. Size‐Dependent Strain Relaxation in InAs Quantum Dots on Top of GaAs(111)A Nanopillars. Advanced Materials Interfaces. 2022;9(11). doi:10.1002/admi.202102159","chicago":"Riedl, Thomas, Vinay Kunnathully, Alexander Trapp, Timo Langer, Dirk Reuter, and Jörg Lindner. “Size‐Dependent Strain Relaxation in InAs Quantum Dots on Top of GaAs(111)A Nanopillars.” Advanced Materials Interfaces 9, no. 11 (2022). https://doi.org/10.1002/admi.202102159.","ieee":"T. Riedl, V. Kunnathully, A. Trapp, T. Langer, D. Reuter, and J. Lindner, “Size‐Dependent Strain Relaxation in InAs Quantum Dots on Top of GaAs(111)A Nanopillars,” Advanced Materials Interfaces, vol. 9, no. 11, Art. no. 2102159, 2022, doi: 10.1002/admi.202102159."},"keyword":["Mechanical Engineering","Mechanics of Materials"],"publication_status":"published","user_id":"77496","department":[{"_id":"15"},{"_id":"230"}]},{"issue":"26","date_updated":"2023-01-11T10:10:59Z","article_number":"2200962","volume":9,"_id":"34086","status":"public","language":[{"iso":"eng"}],"type":"journal_article","year":"2022","publication_identifier":{"issn":["2196-7350","2196-7350"]},"publisher":"Wiley","date_created":"2022-11-15T14:00:19Z","publication":"Advanced Materials Interfaces","department":[{"_id":"15"},{"_id":"230"}],"keyword":["General Medicine"],"publication_status":"published","user_id":"54556","citation":{"apa":"Bürger, J., Venugopal, H., Kool, D., de los Arcos de Pedro, M. T., Gonzalez Orive, A., Grundmeier, G., Brassat, K., & Lindner, J. (2022). High‐Resolution Study of Changes in Morphology and Chemistry of Cylindrical PS‐ b ‐PMMA Block Copolymer Nanomasks during Mask Development. Advanced Materials Interfaces, 9(26), Article 2200962. https://doi.org/10.1002/admi.202200962","ama":"Bürger J, Venugopal H, Kool D, et al. High‐Resolution Study of Changes in Morphology and Chemistry of Cylindrical PS‐ b ‐PMMA Block Copolymer Nanomasks during Mask Development. Advanced Materials Interfaces. 2022;9(26). doi:10.1002/admi.202200962","chicago":"Bürger, Julius, Harikrishnan Venugopal, Daniel Kool, Maria Teresa de los Arcos de Pedro, Alejandro Gonzalez Orive, Guido Grundmeier, Katharina Brassat, and Jörg Lindner. “High‐Resolution Study of Changes in Morphology and Chemistry of Cylindrical PS‐ b ‐PMMA Block Copolymer Nanomasks during Mask Development.” Advanced Materials Interfaces 9, no. 26 (2022). https://doi.org/10.1002/admi.202200962.","ieee":"J. Bürger et al., “High‐Resolution Study of Changes in Morphology and Chemistry of Cylindrical PS‐ b ‐PMMA Block Copolymer Nanomasks during Mask Development,” Advanced Materials Interfaces, vol. 9, no. 26, Art. no. 2200962, 2022, doi: 10.1002/admi.202200962.","mla":"Bürger, Julius, et al. “High‐Resolution Study of Changes in Morphology and Chemistry of Cylindrical PS‐ b ‐PMMA Block Copolymer Nanomasks during Mask Development.” Advanced Materials Interfaces, vol. 9, no. 26, 2200962, Wiley, 2022, doi:10.1002/admi.202200962.","bibtex":"@article{Bürger_Venugopal_Kool_de los Arcos de Pedro_Gonzalez Orive_Grundmeier_Brassat_Lindner_2022, title={High‐Resolution Study of Changes in Morphology and Chemistry of Cylindrical PS‐ b ‐PMMA Block Copolymer Nanomasks during Mask Development}, volume={9}, DOI={10.1002/admi.202200962}, number={262200962}, journal={Advanced Materials Interfaces}, publisher={Wiley}, author={Bürger, Julius and Venugopal, Harikrishnan and Kool, Daniel and de los Arcos de Pedro, Maria Teresa and Gonzalez Orive, Alejandro and Grundmeier, Guido and Brassat, Katharina and Lindner, Jörg}, year={2022} }","short":"J. Bürger, H. Venugopal, D. Kool, M.T. de los Arcos de Pedro, A. Gonzalez Orive, G. Grundmeier, K. Brassat, J. Lindner, Advanced Materials Interfaces 9 (2022)."},"doi":"10.1002/admi.202200962","intvolume":" 9","author":[{"id":"46952","last_name":"Bürger","first_name":"Julius","full_name":"Bürger, Julius"},{"last_name":"Venugopal","full_name":"Venugopal, Harikrishnan","first_name":"Harikrishnan"},{"id":"44586","last_name":"Kool","first_name":"Daniel","full_name":"Kool, Daniel"},{"id":"54556","last_name":"de los Arcos de Pedro","full_name":"de los Arcos de Pedro, Maria Teresa","first_name":"Maria Teresa"},{"full_name":"Gonzalez Orive, Alejandro","first_name":"Alejandro","last_name":"Gonzalez Orive"},{"first_name":"Guido","full_name":"Grundmeier, Guido","id":"194","last_name":"Grundmeier"},{"id":"11305","last_name":"Brassat","first_name":"Katharina","full_name":"Brassat, Katharina"},{"first_name":"Jörg","full_name":"Lindner, Jörg","last_name":"Lindner","id":"20797"}],"title":"High‐Resolution Study of Changes in Morphology and Chemistry of Cylindrical PS‐ b ‐PMMA Block Copolymer Nanomasks during Mask Development"},{"ddc":["530"],"publication":"Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media","type":"book_chapter","volume":8,"title":"Light Scattering by Large Densely Packed Clusters of Particles","file":[{"relation":"main_file","date_updated":"2022-09-22T09:24:45Z","date_created":"2022-09-22T09:24:45Z","access_level":"local","content_type":"application/pdf","file_id":"33467","file_size":1525307,"file_name":"2022-09 Grynko - Book chapter on Light Scattering by Large Densely Packed Clusters of Particles.pdf","creator":"fossie"}],"project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"has_accepted_license":"1","doi":"10.1007/978-3-031-10298-1_4","abstract":[{"text":"We review our results of numerical simulations of light scattering from different systems of densely packed irregular particles. We consider spherical clusters, thick layers and monolayers with realistic topologies and dimensions much larger than the wavelength of light. The maximum bulk packing density of clusters is 0.5. A numerically exact solution of the electromagnetic problem is obtained using the Discontinuous Galerkin Time Domain method and with application of high- performance computing. We show that high packing density causes light localization in such structures which makes an impact on the opposition phenomena: backscattering intensity surge and negative linear polarization feature. Diffuse multiple scattering is significantly reduced in the case of non-absorbing particles and near-field interaction results in a percolation-like light transport determined by the topology of the medium. With this the negative polarization feature caused by single scattering gets enhanced if compared to lower density samples. We also confirm coherent double scattering mechanism of negative polarization for light scattered from dense absorbing slabs. In this case convergent result for the scattering angle polarization dependency at backscattering can be obtained for a layer of just a few tens of particles if they are larger than the wavelength.","lang":"eng"}],"keyword":["tet_topic_scattering"],"main_file_link":[{"open_access":"1","url":"https://rdcu.be/cV5GC"}],"user_id":"158","oa":"1","date_created":"2022-09-22T09:18:45Z","publisher":"Springer International Publishing","language":[{"iso":"eng"}],"publication_identifier":{"isbn":["9783031102974","9783031102981"],"issn":["2509-2790","2509-2804"]},"year":"2022","status":"public","file_date_updated":"2022-09-22T09:24:45Z","_id":"33466","date_updated":"2023-01-11T15:28:17Z","editor":[{"first_name":"Alexander","full_name":"Kokhanovsky, Alexander","last_name":"Kokhanovsky"}],"author":[{"full_name":"Grynko, Yevgen","first_name":"Yevgen","id":"26059","last_name":"Grynko"},{"last_name":"Shkuratov","first_name":"Yuriy","full_name":"Shkuratov, Yuriy"},{"id":"42456","last_name":"Alhaddad","full_name":"Alhaddad, Samer","first_name":"Samer"},{"full_name":"Förstner, Jens","first_name":"Jens","last_name":"Förstner","id":"158","orcid":"0000-0001-7059-9862"}],"place":"Cham","intvolume":" 8","citation":{"apa":"Grynko, Y., Shkuratov, Y., Alhaddad, S., & Förstner, J. (2022). Light Scattering by Large Densely Packed Clusters of Particles. In A. Kokhanovsky (Ed.), Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media (Vol. 8). Springer International Publishing. https://doi.org/10.1007/978-3-031-10298-1_4","ama":"Grynko Y, Shkuratov Y, Alhaddad S, Förstner J. Light Scattering by Large Densely Packed Clusters of Particles. In: Kokhanovsky A, ed. Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media. Vol 8. Springer Series in Light Scattering. Springer International Publishing; 2022. doi:10.1007/978-3-031-10298-1_4","ieee":"Y. Grynko, Y. Shkuratov, S. Alhaddad, and J. Förstner, “Light Scattering by Large Densely Packed Clusters of Particles,” in Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media, vol. 8, A. Kokhanovsky, Ed. Cham: Springer International Publishing, 2022.","chicago":"Grynko, Yevgen, Yuriy Shkuratov, Samer Alhaddad, and Jens Förstner. “Light Scattering by Large Densely Packed Clusters of Particles.” In Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media, edited by Alexander Kokhanovsky, Vol. 8. Springer Series in Light Scattering. Cham: Springer International Publishing, 2022. https://doi.org/10.1007/978-3-031-10298-1_4.","bibtex":"@inbook{Grynko_Shkuratov_Alhaddad_Förstner_2022, place={Cham}, series={Springer Series in Light Scattering}, title={Light Scattering by Large Densely Packed Clusters of Particles}, volume={8}, DOI={10.1007/978-3-031-10298-1_4}, booktitle={Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media}, publisher={Springer International Publishing}, author={Grynko, Yevgen and Shkuratov, Yuriy and Alhaddad, Samer and Förstner, Jens}, editor={Kokhanovsky, Alexander}, year={2022}, collection={Springer Series in Light Scattering} }","mla":"Grynko, Yevgen, et al. “Light Scattering by Large Densely Packed Clusters of Particles.” Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media, edited by Alexander Kokhanovsky, vol. 8, Springer International Publishing, 2022, doi:10.1007/978-3-031-10298-1_4.","short":"Y. Grynko, Y. Shkuratov, S. Alhaddad, J. Förstner, in: A. Kokhanovsky (Ed.), Springer Series in Light Scattering - Volume 8: Light Polarization and Multiple Scattering in Turbid Media, Springer International Publishing, Cham, 2022."},"series_title":"Springer Series in Light Scattering","publication_status":"published","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"}]},{"abstract":[{"lang":"eng","text":"Abstract\r\n We demonstrate the fabrication of micron-wide tungsten silicide superconducting nanowire single-photon detectors on a silicon substrate using laser lithography. We show saturated internal detection efficiencies with wire widths ranging from 0.59 µm to 1.43 µm under illumination at 1550 nm. We demonstrate both straight wires, as well as meandered structures. Single-photon sensitivity is shown in devices up to 4 mm in length. Laser-lithographically written devices allow for fast and easy structuring of large areas while maintaining a saturated internal efficiency for wire widths around 1 µm."}],"doi":"10.1088/1361-6668/ac5338","title":"Laser-lithographically written micron-wide superconducting nanowire single-photon detectors","keyword":["Materials Chemistry","Electrical and Electronic Engineering","Metals and Alloys","Condensed Matter Physics","Ceramics and Composites"],"user_id":"33913","type":"journal_article","publication":"Superconductor Science and Technology","issue":"5","article_number":"055005","volume":35,"intvolume":" 35","author":[{"last_name":"Protte","id":"46170","first_name":"Maximilian","full_name":"Protte, Maximilian"},{"last_name":"Verma","full_name":"Verma, Varun B","first_name":"Varun B"},{"id":"33913","last_name":"Höpker","full_name":"Höpker, Jan Philipp","first_name":"Jan Philipp"},{"last_name":"Mirin","first_name":"Richard P","full_name":"Mirin, Richard P"},{"last_name":"Woo Nam","full_name":"Woo Nam, Sae","first_name":"Sae"},{"first_name":"Tim","full_name":"Bartley, Tim","last_name":"Bartley","id":"49683"}],"department":[{"_id":"15"},{"_id":"230"},{"_id":"623"}],"publication_status":"published","citation":{"short":"M. Protte, V.B. Verma, J.P. Höpker, R.P. Mirin, S. Woo Nam, T. Bartley, Superconductor Science and Technology 35 (2022).","mla":"Protte, Maximilian, et al. “Laser-Lithographically Written Micron-Wide Superconducting Nanowire Single-Photon Detectors.” Superconductor Science and Technology, vol. 35, no. 5, 055005, IOP Publishing, 2022, doi:10.1088/1361-6668/ac5338.","bibtex":"@article{Protte_Verma_Höpker_Mirin_Woo Nam_Bartley_2022, title={Laser-lithographically written micron-wide superconducting nanowire single-photon detectors}, volume={35}, DOI={10.1088/1361-6668/ac5338}, number={5055005}, journal={Superconductor Science and Technology}, publisher={IOP Publishing}, author={Protte, Maximilian and Verma, Varun B and Höpker, Jan Philipp and Mirin, Richard P and Woo Nam, Sae and Bartley, Tim}, year={2022} }","chicago":"Protte, Maximilian, Varun B Verma, Jan Philipp Höpker, Richard P Mirin, Sae Woo Nam, and Tim Bartley. “Laser-Lithographically Written Micron-Wide Superconducting Nanowire Single-Photon Detectors.” Superconductor Science and Technology 35, no. 5 (2022). https://doi.org/10.1088/1361-6668/ac5338.","ieee":"M. Protte, V. B. Verma, J. P. Höpker, R. P. Mirin, S. Woo Nam, and T. Bartley, “Laser-lithographically written micron-wide superconducting nanowire single-photon detectors,” Superconductor Science and Technology, vol. 35, no. 5, Art. no. 055005, 2022, doi: 10.1088/1361-6668/ac5338.","apa":"Protte, M., Verma, V. B., Höpker, J. P., Mirin, R. P., Woo Nam, S., & Bartley, T. (2022). Laser-lithographically written micron-wide superconducting nanowire single-photon detectors. Superconductor Science and Technology, 35(5), Article 055005. https://doi.org/10.1088/1361-6668/ac5338","ama":"Protte M, Verma VB, Höpker JP, Mirin RP, Woo Nam S, Bartley T. Laser-lithographically written micron-wide superconducting nanowire single-photon detectors. Superconductor Science and Technology. 2022;35(5). doi:10.1088/1361-6668/ac5338"},"status":"public","language":[{"iso":"eng"}],"publication_identifier":{"issn":["0953-2048","1361-6668"]},"year":"2022","publisher":"IOP Publishing","date_created":"2022-10-11T07:14:11Z","date_updated":"2023-01-12T13:02:52Z","_id":"33671"},{"date_updated":"2023-01-12T13:42:23Z","_id":"30342","status":"public","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2334-2536"]},"year":"2022","publisher":"The Optical Society","date_created":"2022-03-16T08:53:22Z","department":[{"_id":"15"},{"_id":"230"},{"_id":"623"}],"publication_status":"published","citation":{"mla":"Lange, Nina Amelie, et al. “Cryogenic Integrated Spontaneous Parametric Down-Conversion.” Optica, vol. 9, no. 1, 108, The Optical Society, 2022, doi:10.1364/optica.445576.","bibtex":"@article{Lange_Höpker_Ricken_Quiring_Eigner_Silberhorn_Bartley_2022, title={Cryogenic integrated spontaneous parametric down-conversion}, volume={9}, DOI={10.1364/optica.445576}, number={1108}, journal={Optica}, publisher={The Optical Society}, author={Lange, Nina Amelie and Höpker, Jan Philipp and Ricken, Raimund and Quiring, Viktor and Eigner, Christof and Silberhorn, Christine and Bartley, Tim}, year={2022} }","short":"N.A. Lange, J.P. Höpker, R. Ricken, V. Quiring, C. Eigner, C. Silberhorn, T. Bartley, Optica 9 (2022).","ama":"Lange NA, Höpker JP, Ricken R, et al. Cryogenic integrated spontaneous parametric down-conversion. Optica. 2022;9(1). doi:10.1364/optica.445576","apa":"Lange, N. A., Höpker, J. P., Ricken, R., Quiring, V., Eigner, C., Silberhorn, C., & Bartley, T. (2022). Cryogenic integrated spontaneous parametric down-conversion. Optica, 9(1), Article 108. https://doi.org/10.1364/optica.445576","chicago":"Lange, Nina Amelie, Jan Philipp Höpker, Raimund Ricken, Viktor Quiring, Christof Eigner, Christine Silberhorn, and Tim Bartley. “Cryogenic Integrated Spontaneous Parametric Down-Conversion.” Optica 9, no. 1 (2022). https://doi.org/10.1364/optica.445576.","ieee":"N. A. Lange et al., “Cryogenic integrated spontaneous parametric down-conversion,” Optica, vol. 9, no. 1, Art. no. 108, 2022, doi: 10.1364/optica.445576."},"intvolume":" 9","author":[{"last_name":"Lange","id":"56843","full_name":"Lange, Nina Amelie","first_name":"Nina Amelie"},{"last_name":"Höpker","id":"33913","first_name":"Jan Philipp","full_name":"Höpker, Jan Philipp"},{"last_name":"Ricken","full_name":"Ricken, Raimund","first_name":"Raimund"},{"first_name":"Viktor","full_name":"Quiring, Viktor","last_name":"Quiring"},{"orcid":"https://orcid.org/0000-0002-5693-3083","first_name":"Christof","full_name":"Eigner, Christof","id":"13244","last_name":"Eigner"},{"last_name":"Silberhorn","id":"26263","full_name":"Silberhorn, Christine","first_name":"Christine"},{"first_name":"Tim","full_name":"Bartley, Tim","id":"49683","last_name":"Bartley"}],"issue":"1","article_number":"108","volume":9,"type":"journal_article","publication":"Optica","keyword":["Atomic and Molecular Physics","and Optics","Electronic","Optical and Magnetic Materials"],"user_id":"33913","doi":"10.1364/optica.445576","title":"Cryogenic integrated spontaneous parametric down-conversion"},{"abstract":[{"lang":"eng","text":"Abstract\r\n Lithium niobate is a promising platform for integrated quantum optics. In this platform, we aim to efficiently manipulate and detect quantum states by combining superconducting single photon detectors and modulators. The cryogenic operation of a superconducting single photon detector dictates the optimisation of the electro-optic modulators under the same operating conditions. To that end, we characterise a phase modulator, directional coupler, and polarisation converter at both ambient and cryogenic temperatures. The operation voltage \r\n \r\n \r\n \r\n V\r\n \r\n π\r\n \r\n /\r\n \r\n 2\r\n \r\n \r\n \r\n \r\n of these modulators increases, due to the decrease in the electro-optic effect, by 74% for the phase modulator, 84% for the directional coupler and 35% for the polarisation converter below 8.5\r\n \r\n \r\n \r\n K\r\n \r\n \r\n \r\n . The phase modulator preserves its broadband nature and modulates light in the characterised wavelength range. The unbiased bar state of the directional coupler changed by a wavelength shift of 85\r\n \r\n \r\n \r\n n\r\n m\r\n \r\n \r\n \r\n while cooling the device down to 5\r\n \r\n \r\n \r\n K\r\n \r\n \r\n \r\n . The polarisation converter uses periodic poling to phasematch the two orthogonal polarisations. The phasematched wavelength of the utilised poling changes by 112\r\n \r\n \r\n \r\n n\r\n m\r\n \r\n \r\n \r\n when cooling to 5\r\n \r\n \r\n \r\n K\r\n \r\n \r\n \r\n ."}],"doi":"10.1088/2515-7647/ac6c63","intvolume":" 4","title":"Cryogenic electro-optic modulation in titanium in-diffused lithium niobate waveguides","author":[{"full_name":"Thiele, Frederik","first_name":"Frederik","last_name":"Thiele","id":"50819","orcid":"0000-0003-0663-5587"},{"full_name":"vom Bruch, Felix","first_name":"Felix","last_name":"vom Bruch","id":"71245"},{"first_name":"Julian","full_name":"Brockmeier, Julian","id":"44807","last_name":"Brockmeier"},{"id":"46170","last_name":"Protte","full_name":"Protte, Maximilian","first_name":"Maximilian"},{"first_name":"Thomas","full_name":"Hummel, Thomas","id":"83846","last_name":"Hummel"},{"last_name":"Ricken","first_name":"Raimund","full_name":"Ricken, Raimund"},{"first_name":"Viktor","full_name":"Quiring, Viktor","last_name":"Quiring"},{"id":"44373","last_name":"Lengeling","full_name":"Lengeling, Sebastian","first_name":"Sebastian"},{"id":"216","last_name":"Herrmann","full_name":"Herrmann, Harald","first_name":"Harald"},{"orcid":"https://orcid.org/0000-0002-5693-3083","first_name":"Christof","full_name":"Eigner, Christof","id":"13244","last_name":"Eigner"},{"id":"26263","last_name":"Silberhorn","full_name":"Silberhorn, Christine","first_name":"Christine"},{"first_name":"Tim","full_name":"Bartley, Tim","id":"49683","last_name":"Bartley"}],"department":[{"_id":"15"},{"_id":"230"},{"_id":"623"}],"citation":{"apa":"Thiele, F., vom Bruch, F., Brockmeier, J., Protte, M., Hummel, T., Ricken, R., Quiring, V., Lengeling, S., Herrmann, H., Eigner, C., Silberhorn, C., & Bartley, T. (2022). Cryogenic electro-optic modulation in titanium in-diffused lithium niobate waveguides. Journal of Physics: Photonics, 4(3), Article 034004. https://doi.org/10.1088/2515-7647/ac6c63","ama":"Thiele F, vom Bruch F, Brockmeier J, et al. Cryogenic electro-optic modulation in titanium in-diffused lithium niobate waveguides. Journal of Physics: Photonics. 2022;4(3). doi:10.1088/2515-7647/ac6c63","ieee":"F. Thiele et al., “Cryogenic electro-optic modulation in titanium in-diffused lithium niobate waveguides,” Journal of Physics: Photonics, vol. 4, no. 3, Art. no. 034004, 2022, doi: 10.1088/2515-7647/ac6c63.","chicago":"Thiele, Frederik, Felix vom Bruch, Julian Brockmeier, Maximilian Protte, Thomas Hummel, Raimund Ricken, Viktor Quiring, et al. “Cryogenic Electro-Optic Modulation in Titanium in-Diffused Lithium Niobate Waveguides.” Journal of Physics: Photonics 4, no. 3 (2022). https://doi.org/10.1088/2515-7647/ac6c63.","bibtex":"@article{Thiele_vom Bruch_Brockmeier_Protte_Hummel_Ricken_Quiring_Lengeling_Herrmann_Eigner_et al._2022, title={Cryogenic electro-optic modulation in titanium in-diffused lithium niobate waveguides}, volume={4}, DOI={10.1088/2515-7647/ac6c63}, number={3034004}, journal={Journal of Physics: Photonics}, publisher={IOP Publishing}, author={Thiele, Frederik and vom Bruch, Felix and Brockmeier, Julian and Protte, Maximilian and Hummel, Thomas and Ricken, Raimund and Quiring, Viktor and Lengeling, Sebastian and Herrmann, Harald and Eigner, Christof and et al.}, year={2022} }","mla":"Thiele, Frederik, et al. “Cryogenic Electro-Optic Modulation in Titanium in-Diffused Lithium Niobate Waveguides.” Journal of Physics: Photonics, vol. 4, no. 3, 034004, IOP Publishing, 2022, doi:10.1088/2515-7647/ac6c63.","short":"F. Thiele, F. vom Bruch, J. Brockmeier, M. Protte, T. Hummel, R. Ricken, V. Quiring, S. Lengeling, H. Herrmann, C. Eigner, C. Silberhorn, T. Bartley, Journal of Physics: Photonics 4 (2022)."},"user_id":"83846","keyword":["Electrical and Electronic Engineering","Atomic and Molecular Physics","and Optics","Electronic","Optical and Magnetic Materials"],"publication_status":"published","year":"2022","type":"journal_article","publication_identifier":{"issn":["2515-7647"]},"language":[{"iso":"eng"}],"status":"public","publication":"Journal of Physics: Photonics","date_created":"2022-10-11T07:14:40Z","publisher":"IOP Publishing","article_number":"034004","date_updated":"2023-01-12T15:16:35Z","issue":"3","_id":"33672","volume":4},{"user_id":"83846","keyword":["Computer Networks and Communications","Atomic and Molecular Physics","and Optics"],"abstract":[{"lang":"eng","text":" Superconducting Nanowire Single Photon Detectors (SNSPDs) have become an integral part of quantum optics in recent years because of their high performance in single photon detection. We present a method to replace the electrical input by supplying the required bias current via the photocurrent of a photodiode situated on the cold stage of the cryostat. Light is guided to the bias photodiode through an optical fiber, which enables a lower thermal conduction and galvanic isolation between room temperature and the cold stage. We show that an off-the-shelf InGaAs–InP photodiode exhibits a responsivity of at least 0.55 A/W at 0.8 K. Using this device to bias an SNSPD, we characterize the count rate dependent on the optical power incident on the photodiode. This configuration of the SNSPD and photodiode shows an expected plateau in the single photon count rate with an optical bias power on the photodiode above 6.8 µW. Furthermore, we compare the same detector under both optical and electrical bias, and show there is no significant changes in performance. This has the advantage of avoiding an electrical input cable, which reduces the latent heat load by a factor of 100 and, in principle, allows for low loss RF current supply at the cold stage. "}],"doi":"10.1063/5.0097506","title":"Opto-electronic bias of a superconducting nanowire single photon detector using a cryogenic photodiode","issue":"8","article_number":"081303","volume":7,"type":"journal_article","publication":"APL Photonics","department":[{"_id":"15"},{"_id":"230"},{"_id":"623"}],"publication_status":"published","citation":{"short":"F. Thiele, T. Hummel, M. Protte, T. Bartley, APL Photonics 7 (2022).","bibtex":"@article{Thiele_Hummel_Protte_Bartley_2022, title={Opto-electronic bias of a superconducting nanowire single photon detector using a cryogenic photodiode}, volume={7}, DOI={10.1063/5.0097506}, number={8081303}, journal={APL Photonics}, publisher={AIP Publishing}, author={Thiele, Frederik and Hummel, Thomas and Protte, Maximilian and Bartley, Tim}, year={2022} }","mla":"Thiele, Frederik, et al. “Opto-Electronic Bias of a Superconducting Nanowire Single Photon Detector Using a Cryogenic Photodiode.” APL Photonics, vol. 7, no. 8, 081303, AIP Publishing, 2022, doi:10.1063/5.0097506.","ieee":"F. Thiele, T. Hummel, M. Protte, and T. Bartley, “Opto-electronic bias of a superconducting nanowire single photon detector using a cryogenic photodiode,” APL Photonics, vol. 7, no. 8, Art. no. 081303, 2022, doi: 10.1063/5.0097506.","chicago":"Thiele, Frederik, Thomas Hummel, Maximilian Protte, and Tim Bartley. “Opto-Electronic Bias of a Superconducting Nanowire Single Photon Detector Using a Cryogenic Photodiode.” APL Photonics 7, no. 8 (2022). https://doi.org/10.1063/5.0097506.","apa":"Thiele, F., Hummel, T., Protte, M., & Bartley, T. (2022). Opto-electronic bias of a superconducting nanowire single photon detector using a cryogenic photodiode. APL Photonics, 7(8), Article 081303. https://doi.org/10.1063/5.0097506","ama":"Thiele F, Hummel T, Protte M, Bartley T. Opto-electronic bias of a superconducting nanowire single photon detector using a cryogenic photodiode. APL Photonics. 2022;7(8). doi:10.1063/5.0097506"},"intvolume":" 7","author":[{"orcid":"0000-0003-0663-5587","first_name":"Frederik","full_name":"Thiele, Frederik","last_name":"Thiele","id":"50819"},{"full_name":"Hummel, Thomas","first_name":"Thomas","last_name":"Hummel","id":"83846"},{"first_name":"Maximilian","full_name":"Protte, Maximilian","id":"46170","last_name":"Protte"},{"last_name":"Bartley","id":"49683","full_name":"Bartley, Tim","first_name":"Tim"}],"date_updated":"2023-01-12T15:13:40Z","_id":"33673","status":"public","publication_identifier":{"issn":["2378-0967"]},"year":"2022","language":[{"iso":"eng"}],"publisher":"AIP Publishing","date_created":"2022-10-11T07:15:09Z"},{"issue":"2","date_updated":"2024-06-24T06:02:58Z","_id":"54849","volume":260,"language":[{"iso":"eng"}],"publication_identifier":{"issn":["0370-1972","1521-3951"]},"year":"2022","type":"journal_article","status":"public","date_created":"2024-06-24T05:59:11Z","publication":"physica status solidi (b)","publisher":"Wiley","department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"790"},{"_id":"230"},{"_id":"429"},{"_id":"27"}],"citation":{"ieee":"A. L. Kozub, U. Gerstmann, and W. G. Schmidt, “Third‐Order Susceptibility of Lithium Niobate: Influence of Polarons and Bipolarons,” physica status solidi (b), vol. 260, no. 2, 2022, doi: 10.1002/pssb.202200453.","chicago":"Kozub, Agnieszka L., Uwe Gerstmann, and Wolf Gero Schmidt. “Third‐Order Susceptibility of Lithium Niobate: Influence of Polarons and Bipolarons.” Physica Status Solidi (b) 260, no. 2 (2022). https://doi.org/10.1002/pssb.202200453.","ama":"Kozub AL, Gerstmann U, Schmidt WG. Third‐Order Susceptibility of Lithium Niobate: Influence of Polarons and Bipolarons. physica status solidi (b). 2022;260(2). doi:10.1002/pssb.202200453","apa":"Kozub, A. L., Gerstmann, U., & Schmidt, W. G. (2022). Third‐Order Susceptibility of Lithium Niobate: Influence of Polarons and Bipolarons. Physica Status Solidi (b), 260(2). https://doi.org/10.1002/pssb.202200453","short":"A.L. Kozub, U. Gerstmann, W.G. Schmidt, Physica Status Solidi (b) 260 (2022).","bibtex":"@article{Kozub_Gerstmann_Schmidt_2022, title={Third‐Order Susceptibility of Lithium Niobate: Influence of Polarons and Bipolarons}, volume={260}, DOI={10.1002/pssb.202200453}, number={2}, journal={physica status solidi (b)}, publisher={Wiley}, author={Kozub, Agnieszka L. and Gerstmann, Uwe and Schmidt, Wolf Gero}, year={2022} }","mla":"Kozub, Agnieszka L., et al. “Third‐Order Susceptibility of Lithium Niobate: Influence of Polarons and Bipolarons.” Physica Status Solidi (b), vol. 260, no. 2, Wiley, 2022, doi:10.1002/pssb.202200453."},"publication_status":"published","user_id":"16199","project":[{"grant_number":"231447078","_id":"53","name":"TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen"},{"name":"TRR 142 - B: TRR 142 - Project Area B","_id":"55"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"abstract":[{"text":"The third‐order susceptibility of lithium niobate (LiNbO3) is calculated within a Berry‐phase formulation of the dynamical polarization based on the electronic structure obtained within density‐functional theory (DFT). Maximum values of the order of m V are calculated for photon energies between 1.2 and 2 eV, i.e., in the lower half of the optical bandgap of lithium niobate. Both free and bound electron (bi)polarons are found to lead to a remarkable enhancement of the third‐order susceptibility for photon energies below 1 eV.","lang":"eng"}],"doi":"10.1002/pssb.202200453","intvolume":" 260","title":"Third‐Order Susceptibility of Lithium Niobate: Influence of Polarons and Bipolarons","author":[{"last_name":"Kozub","first_name":"Agnieszka L.","full_name":"Kozub, Agnieszka L."},{"id":"171","last_name":"Gerstmann","first_name":"Uwe","full_name":"Gerstmann, Uwe","orcid":"0000-0002-4476-223X"},{"orcid":"0000-0002-2717-5076","id":"468","last_name":"Schmidt","first_name":"Wolf Gero","full_name":"Schmidt, Wolf Gero"}]}]