[{"abstract":[{"lang":"eng","text":"The biexciton-exciton emission cascade commonly used in quantum-dot systems to generate polarization entanglement yields photons with intrinsically limited indistinguishability. In the present work we focus on the generation of pairs of photons with high degrees of polarization entanglement and simultaneously high indistinguishibility. We achieve this goal by selectively reducing the biexciton lifetime with an optical resonator. We demonstrate that a suitably tailored circular Bragg reflector fulfills the requirements of sufficient selective Purcell enhancement of biexciton emission paired with spectrally broad photon extraction and two-fold degenerate optical modes. Our in-depth theoretical study combines (i) the optimization of realistic photonic structures solving Maxwell's equations from which model parameters are extracted as input for (ii) microscopic simulations of quantum-dot cavity excitation dynamics with full access to photon properties. We report non-trivial dependencies on system parameters and use the predictive power of our combined theoretical approach to determine the optimal range of Purcell enhancement that maximizes indistinguishability and entanglement to near unity values in the telecom C-band at $1550\\,\\mathrm{nm}$."}],"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"grant_number":"231447078","name":"TRR 142 - C09: TRR 142 - Subproject C09","_id":"173"},{"_id":"167","name":"TRR 142 - B06: TRR 142 - Subproject B06","grant_number":"231447078"},{"grant_number":"231447078","name":"TRR 142: TRR 142","_id":"53"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"},{"_id":"56","name":"TRR 142 - C: TRR 142 - Project Area C"}],"author":[{"full_name":"Bauch, David","first_name":"David","last_name":"Bauch"},{"full_name":"Siebert, Dustin","first_name":"Dustin","last_name":"Siebert"},{"id":"85353","last_name":"Jöns","first_name":"Klaus","full_name":"Jöns, Klaus"},{"orcid":"0000-0001-7059-9862","id":"158","last_name":"Förstner","first_name":"Jens","full_name":"Förstner, Jens"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","last_name":"Schumacher","id":"27271","orcid":"0000-0003-4042-4951"}],"title":"On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs","department":[{"_id":"61"},{"_id":"230"},{"_id":"429"},{"_id":"623"},{"_id":"15"},{"_id":"35"},{"_id":"170"},{"_id":"297"}],"oa":"1","user_id":"16199","main_file_link":[{"url":"https://arxiv.org/pdf/2303.13871.pdf","open_access":"1"}],"keyword":["tet_topic_phc","tet_topic_qd"],"citation":{"chicago":"Bauch, David, Dustin Siebert, Klaus Jöns, Jens Förstner, and Stefan Schumacher. “On-Demand Indistinguishable and Entangled Photons at Telecom Frequencies Using Tailored Cavity Designs,” 2023.","short":"D. Bauch, D. Siebert, K. Jöns, J. Förstner, S. Schumacher, (2023).","ieee":"D. Bauch, D. Siebert, K. Jöns, J. Förstner, and S. Schumacher, “On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs.” 2023.","mla":"Bauch, David, et al. <i>On-Demand Indistinguishable and Entangled Photons at Telecom Frequencies Using Tailored Cavity Designs</i>. 2023.","ama":"Bauch D, Siebert D, Jöns K, Förstner J, Schumacher S. On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs. Published online 2023.","bibtex":"@article{Bauch_Siebert_Jöns_Förstner_Schumacher_2023, title={On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs}, author={Bauch, David and Siebert, Dustin and Jöns, Klaus and Förstner, Jens and Schumacher, Stefan}, year={2023} }","apa":"Bauch, D., Siebert, D., Jöns, K., Förstner, J., &#38; Schumacher, S. (2023). <i>On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs</i>."},"status":"public","type":"preprint","year":"2023","language":[{"iso":"eng"}],"related_material":{"record":[{"id":"48599","relation":"later_version","status":"public"}]},"date_created":"2023-03-31T13:22:05Z","date_updated":"2023-12-21T10:41:17Z","_id":"43246"},{"volume":14,"_id":"35160","date_updated":"2023-04-20T15:17:21Z","issue":"1","article_number":"31","publisher":"Springer Science and Business Media LLC","publication":"Nature Communications","date_created":"2023-01-04T08:21:52Z","status":"public","publication_identifier":{"issn":["2041-1723"]},"type":"journal_article","year":"2023","language":[{"iso":"eng"}],"user_id":"16199","keyword":["General Physics and Astronomy","General Biochemistry","Genetics and Molecular Biology","General Chemistry","Multidisciplinary"],"publication_status":"published","citation":{"ama":"Jia J, Cao X, Ma X, et al. Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions. <i>Nature Communications</i>. 2023;14(1). doi:<a href=\"https://doi.org/10.1038/s41467-022-35745-w\">10.1038/s41467-022-35745-w</a>","apa":"Jia, J., Cao, X., Ma, X., De, J., Yao, J., Schumacher, S., Liao, Q., &#38; Fu, H. (2023). Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions. <i>Nature Communications</i>, <i>14</i>(1), Article 31. <a href=\"https://doi.org/10.1038/s41467-022-35745-w\">https://doi.org/10.1038/s41467-022-35745-w</a>","chicago":"Jia, Jichao, Xue Cao, Xuekai Ma, Jianbo De, Jiannian Yao, Stefan Schumacher, Qing Liao, and Hongbing Fu. “Circularly Polarized Electroluminescence from a Single-Crystal Organic Microcavity Light-Emitting Diode Based on Photonic Spin-Orbit Interactions.” <i>Nature Communications</i> 14, no. 1 (2023). <a href=\"https://doi.org/10.1038/s41467-022-35745-w\">https://doi.org/10.1038/s41467-022-35745-w</a>.","ieee":"J. Jia <i>et al.</i>, “Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions,” <i>Nature Communications</i>, vol. 14, no. 1, Art. no. 31, 2023, doi: <a href=\"https://doi.org/10.1038/s41467-022-35745-w\">10.1038/s41467-022-35745-w</a>.","mla":"Jia, Jichao, et al. “Circularly Polarized Electroluminescence from a Single-Crystal Organic Microcavity Light-Emitting Diode Based on Photonic Spin-Orbit Interactions.” <i>Nature Communications</i>, vol. 14, no. 1, 31, Springer Science and Business Media LLC, 2023, doi:<a href=\"https://doi.org/10.1038/s41467-022-35745-w\">10.1038/s41467-022-35745-w</a>.","bibtex":"@article{Jia_Cao_Ma_De_Yao_Schumacher_Liao_Fu_2023, title={Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions}, volume={14}, DOI={<a href=\"https://doi.org/10.1038/s41467-022-35745-w\">10.1038/s41467-022-35745-w</a>}, number={131}, journal={Nature Communications}, publisher={Springer Science and Business Media LLC}, author={Jia, Jichao and Cao, Xue and Ma, Xuekai and De, Jianbo and Yao, Jiannian and Schumacher, Stefan and Liao, Qing and Fu, Hongbing}, year={2023} }","short":"J. Jia, X. Cao, X. Ma, J. De, J. Yao, S. Schumacher, Q. Liao, H. Fu, Nature Communications 14 (2023)."},"department":[{"_id":"15"},{"_id":"170"},{"_id":"705"},{"_id":"297"},{"_id":"230"},{"_id":"35"}],"author":[{"first_name":"Jichao","full_name":"Jia, Jichao","last_name":"Jia"},{"last_name":"Cao","full_name":"Cao, Xue","first_name":"Xue"},{"id":"59416","last_name":"Ma","full_name":"Ma, Xuekai","first_name":"Xuekai"},{"last_name":"De","first_name":"Jianbo","full_name":"De, Jianbo"},{"last_name":"Yao","full_name":"Yao, Jiannian","first_name":"Jiannian"},{"orcid":"0000-0003-4042-4951","id":"27271","last_name":"Schumacher","first_name":"Stefan","full_name":"Schumacher, Stefan"},{"last_name":"Liao","first_name":"Qing","full_name":"Liao, Qing"},{"full_name":"Fu, Hongbing","first_name":"Hongbing","last_name":"Fu"}],"title":"Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions","intvolume":"        14","doi":"10.1038/s41467-022-35745-w"},{"publisher":"American Physical Society (APS)","publication":"Physical Review Letters","date_created":"2023-03-14T07:50:56Z","status":"public","type":"journal_article","year":"2023","publication_identifier":{"issn":["0031-9007","1079-7114"]},"language":[{"iso":"eng"}],"volume":130,"_id":"42973","date_updated":"2023-04-20T15:28:42Z","issue":"11","article_number":"113601","author":[{"last_name":"Lüders","full_name":"Lüders, Carolin","first_name":"Carolin"},{"full_name":"Pukrop, Matthias","first_name":"Matthias","last_name":"Pukrop","id":"64535"},{"full_name":"Barkhausen, Franziska","first_name":"Franziska","id":"63631","last_name":"Barkhausen"},{"full_name":"Rozas, Elena","first_name":"Elena","last_name":"Rozas"},{"last_name":"Schneider","first_name":"Christian","full_name":"Schneider, Christian"},{"last_name":"Höfling","full_name":"Höfling, Sven","first_name":"Sven"},{"last_name":"Sperling","id":"75127","full_name":"Sperling, Jan","first_name":"Jan","orcid":"0000-0002-5844-3205"},{"orcid":"0000-0003-4042-4951","full_name":"Schumacher, Stefan","first_name":"Stefan","id":"27271","last_name":"Schumacher"},{"full_name":"Aßmann, Marc","first_name":"Marc","last_name":"Aßmann"}],"article_type":"letter_note","title":"Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography","doi":"10.1103/physrevlett.130.113601","intvolume":"       130","project":[{"name":"TRR 142: TRR 142","_id":"53"},{"_id":"56","name":"TRR 142 - C: TRR 142 - Project Area C"},{"name":"TRR 142 - C10: TRR 142 - Subproject C10","_id":"174"},{"name":"TRR 142 - C09: TRR 142 - Subproject C09","_id":"173"}],"user_id":"16199","keyword":["General Physics and Astronomy"],"publication_status":"published","citation":{"chicago":"Lüders, Carolin, Matthias Pukrop, Franziska Barkhausen, Elena Rozas, Christian Schneider, Sven Höfling, Jan Sperling, Stefan Schumacher, and Marc Aßmann. “Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography.” <i>Physical Review Letters</i> 130, no. 11 (2023). <a href=\"https://doi.org/10.1103/physrevlett.130.113601\">https://doi.org/10.1103/physrevlett.130.113601</a>.","short":"C. Lüders, M. Pukrop, F. Barkhausen, E. Rozas, C. Schneider, S. Höfling, J. Sperling, S. Schumacher, M. Aßmann, Physical Review Letters 130 (2023).","ieee":"C. Lüders <i>et al.</i>, “Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography,” <i>Physical Review Letters</i>, vol. 130, no. 11, Art. no. 113601, 2023, doi: <a href=\"https://doi.org/10.1103/physrevlett.130.113601\">10.1103/physrevlett.130.113601</a>.","mla":"Lüders, Carolin, et al. “Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography.” <i>Physical Review Letters</i>, vol. 130, no. 11, 113601, American Physical Society (APS), 2023, doi:<a href=\"https://doi.org/10.1103/physrevlett.130.113601\">10.1103/physrevlett.130.113601</a>.","bibtex":"@article{Lüders_Pukrop_Barkhausen_Rozas_Schneider_Höfling_Sperling_Schumacher_Aßmann_2023, title={Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography}, volume={130}, DOI={<a href=\"https://doi.org/10.1103/physrevlett.130.113601\">10.1103/physrevlett.130.113601</a>}, number={11113601}, journal={Physical Review Letters}, publisher={American Physical Society (APS)}, author={Lüders, Carolin and Pukrop, Matthias and Barkhausen, Franziska and Rozas, Elena and Schneider, Christian and Höfling, Sven and Sperling, Jan and Schumacher, Stefan and Aßmann, Marc}, year={2023} }","ama":"Lüders C, Pukrop M, Barkhausen F, et al. Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography. <i>Physical Review Letters</i>. 2023;130(11). doi:<a href=\"https://doi.org/10.1103/physrevlett.130.113601\">10.1103/physrevlett.130.113601</a>","apa":"Lüders, C., Pukrop, M., Barkhausen, F., Rozas, E., Schneider, C., Höfling, S., Sperling, J., Schumacher, S., &#38; Aßmann, M. (2023). Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography. <i>Physical Review Letters</i>, <i>130</i>(11), Article 113601. <a href=\"https://doi.org/10.1103/physrevlett.130.113601\">https://doi.org/10.1103/physrevlett.130.113601</a>"},"department":[{"_id":"623"},{"_id":"15"},{"_id":"170"},{"_id":"706"},{"_id":"429"},{"_id":"230"},{"_id":"35"},{"_id":"297"}]},{"issue":"1","date_updated":"2025-09-12T11:16:12Z","article_number":"2300142","volume":7,"_id":"61252","status":"public","language":[{"iso":"eng"}],"year":"2023","publication_identifier":{"issn":["2511-9044","2511-9044"]},"type":"journal_article","publisher":"Wiley","date_created":"2025-09-12T11:11:56Z","publication":"Advanced Quantum Technologies","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"642"},{"_id":"61"},{"_id":"230"},{"_id":"35"},{"_id":"34"},{"_id":"429"},{"_id":"27"},{"_id":"623"}],"publication_status":"published","user_id":"16199","citation":{"chicago":"Bauch, David, Dustin Siebert, Klaus D. Jöns, Jens Förstner, and Stefan Schumacher. “On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs.” <i>Advanced Quantum Technologies</i> 7, no. 1 (2023). <a href=\"https://doi.org/10.1002/qute.202300142\">https://doi.org/10.1002/qute.202300142</a>.","ieee":"D. Bauch, D. Siebert, K. D. Jöns, J. Förstner, and S. Schumacher, “On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs,” <i>Advanced Quantum Technologies</i>, vol. 7, no. 1, Art. no. 2300142, 2023, doi: <a href=\"https://doi.org/10.1002/qute.202300142\">10.1002/qute.202300142</a>.","ama":"Bauch D, Siebert D, Jöns KD, Förstner J, Schumacher S. On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs. <i>Advanced Quantum Technologies</i>. 2023;7(1). doi:<a href=\"https://doi.org/10.1002/qute.202300142\">10.1002/qute.202300142</a>","apa":"Bauch, D., Siebert, D., Jöns, K. D., Förstner, J., &#38; Schumacher, S. (2023). On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs. <i>Advanced Quantum Technologies</i>, <i>7</i>(1), Article 2300142. <a href=\"https://doi.org/10.1002/qute.202300142\">https://doi.org/10.1002/qute.202300142</a>","short":"D. Bauch, D. Siebert, K.D. Jöns, J. Förstner, S. Schumacher, Advanced Quantum Technologies 7 (2023).","mla":"Bauch, David, et al. “On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs.” <i>Advanced Quantum Technologies</i>, vol. 7, no. 1, 2300142, Wiley, 2023, doi:<a href=\"https://doi.org/10.1002/qute.202300142\">10.1002/qute.202300142</a>.","bibtex":"@article{Bauch_Siebert_Jöns_Förstner_Schumacher_2023, title={On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs}, volume={7}, DOI={<a href=\"https://doi.org/10.1002/qute.202300142\">10.1002/qute.202300142</a>}, number={12300142}, journal={Advanced Quantum Technologies}, publisher={Wiley}, author={Bauch, David and Siebert, Dustin and Jöns, Klaus D. and Förstner, Jens and Schumacher, Stefan}, year={2023} }"},"abstract":[{"text":"<jats:title>Abstract</jats:title><jats:p>The biexciton‐exciton emission cascade commonly used in quantum‐dot systems to generate polarization entanglement yields photons with intrinsically limited indistinguishability. In the present work, it focuses on the generation of pairs of photons with high degrees of polarization entanglement and simultaneously high indistinguishability. It achieves this goal by selectively reducing the biexciton lifetime with an optical resonator. It demonstrates that a suitably tailored circular Bragg reflector fulfills the requirements of sufficient selective Purcell enhancement of biexciton emission paired with spectrally broad photon extraction and twofold degenerate optical modes. The in‐depth theoretical study combines (i) the optimization of realistic photonic structures solving Maxwell's equations from which model parameters are extracted as input for (ii) microscopic simulations of quantum‐dot cavity excitation dynamics with full access to photon properties. It reports non‐trivial dependencies on system parameters and use the predictive power of the combined theoretical approach to determine the optimal range of Purcell enhancement that maximizes indistinguishability and entanglement to near unity values, here specifically for the telecom C‐band at 1550 nm.</jats:p>","lang":"eng"}],"intvolume":"         7","doi":"10.1002/qute.202300142","project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"53","name":"TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen"},{"name":"TRR 142 - Project Area B","_id":"55"},{"name":"TRR 142 - Project Area C","_id":"56"},{"_id":"167","name":"TRR 142; TP B06: Ultraschnelle kohärente opto-elektronische Kontrolle eines photonischen Quantensystems"},{"name":"TRR 142; TP C09: Ideale Erzeugung von Photonenpaaren für Verschränkungsaustausch bei Telekom Wellenlängen","_id":"173"},{"_id":"266","name":"PhoQC: Photonisches Quantencomputing"}],"author":[{"full_name":"Bauch, David","first_name":"David","last_name":"Bauch"},{"full_name":"Siebert, Dustin","first_name":"Dustin","last_name":"Siebert"},{"full_name":"Jöns, Klaus D.","first_name":"Klaus D.","last_name":"Jöns","id":"85353"},{"orcid":"0000-0001-7059-9862","id":"158","last_name":"Förstner","first_name":"Jens","full_name":"Förstner, Jens"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","last_name":"Schumacher","id":"27271","orcid":"0000-0003-4042-4951"}],"title":"On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs"},{"author":[{"last_name":"Lüders","first_name":"Carolin","full_name":"Lüders, Carolin"},{"first_name":"Franziska","full_name":"Barkhausen, Franziska","id":"63631","last_name":"Barkhausen"},{"first_name":"Matthias","full_name":"Pukrop, Matthias","last_name":"Pukrop"},{"last_name":"Rozas","full_name":"Rozas, Elena","first_name":"Elena"},{"last_name":"Sperling","id":"75127","full_name":"Sperling, Jan","first_name":"Jan","orcid":"0000-0002-5844-3205"},{"orcid":"0000-0003-4042-4951","last_name":"Schumacher","id":"27271","full_name":"Schumacher, Stefan","first_name":"Stefan"},{"first_name":"Marc","full_name":"Aßmann, Marc","last_name":"Aßmann"}],"intvolume":"        13","publication_status":"published","citation":{"bibtex":"@article{Lüders_Barkhausen_Pukrop_Rozas_Sperling_Schumacher_Aßmann_2023, title={Continuous-variable quantum optics and resource theory for ultrafast semiconductor spectroscopy [Invited]}, volume={13}, DOI={<a href=\"https://doi.org/10.1364/ome.497006\">10.1364/ome.497006</a>}, number={112997}, journal={Optical Materials Express}, publisher={Optica Publishing Group}, author={Lüders, Carolin and Barkhausen, Franziska and Pukrop, Matthias and Rozas, Elena and Sperling, Jan and Schumacher, Stefan and Aßmann, Marc}, year={2023} }","mla":"Lüders, Carolin, et al. “Continuous-Variable Quantum Optics and Resource Theory for Ultrafast Semiconductor Spectroscopy [Invited].” <i>Optical Materials Express</i>, vol. 13, no. 11, 2997, Optica Publishing Group, 2023, doi:<a href=\"https://doi.org/10.1364/ome.497006\">10.1364/ome.497006</a>.","short":"C. Lüders, F. Barkhausen, M. Pukrop, E. Rozas, J. Sperling, S. Schumacher, M. Aßmann, Optical Materials Express 13 (2023).","apa":"Lüders, C., Barkhausen, F., Pukrop, M., Rozas, E., Sperling, J., Schumacher, S., &#38; Aßmann, M. (2023). Continuous-variable quantum optics and resource theory for ultrafast semiconductor spectroscopy [Invited]. <i>Optical Materials Express</i>, <i>13</i>(11), Article 2997. <a href=\"https://doi.org/10.1364/ome.497006\">https://doi.org/10.1364/ome.497006</a>","ama":"Lüders C, Barkhausen F, Pukrop M, et al. Continuous-variable quantum optics and resource theory for ultrafast semiconductor spectroscopy [Invited]. <i>Optical Materials Express</i>. 2023;13(11). doi:<a href=\"https://doi.org/10.1364/ome.497006\">10.1364/ome.497006</a>","ieee":"C. Lüders <i>et al.</i>, “Continuous-variable quantum optics and resource theory for ultrafast semiconductor spectroscopy [Invited],” <i>Optical Materials Express</i>, vol. 13, no. 11, Art. no. 2997, 2023, doi: <a href=\"https://doi.org/10.1364/ome.497006\">10.1364/ome.497006</a>.","chicago":"Lüders, Carolin, Franziska Barkhausen, Matthias Pukrop, Elena Rozas, Jan Sperling, Stefan Schumacher, and Marc Aßmann. “Continuous-Variable Quantum Optics and Resource Theory for Ultrafast Semiconductor Spectroscopy [Invited].” <i>Optical Materials Express</i> 13, no. 11 (2023). <a href=\"https://doi.org/10.1364/ome.497006\">https://doi.org/10.1364/ome.497006</a>."},"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"706"},{"_id":"35"},{"_id":"230"},{"_id":"27"},{"_id":"623"}],"publisher":"Optica Publishing Group","date_created":"2025-09-12T11:40:26Z","status":"public","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2159-3930"]},"year":"2023","_id":"61266","date_updated":"2025-09-12T11:41:42Z","title":"Continuous-variable quantum optics and resource theory for ultrafast semiconductor spectroscopy [Invited]","doi":"10.1364/ome.497006","abstract":[{"text":"<jats:p>This review examines the use of continuous-variable spectroscopy techniques for investigating quantum coherence and light-matter interactions in semiconductor systems with ultrafast dynamics. Special emphasis is placed on multichannel homodyne detection as a powerful tool to measure the quantum coherence and the full density matrix of a polariton system. Observations, such as coherence times that exceed the nanosecond scale obtained by monitoring the temporal decay of quantum coherence in a polariton condensate, are discussed. Proof-of-concept experiments and numerical simulations that demonstrate the enhanced resourcefulness of the produced system states for modern quantum protocols are assessed. The combination of tailored resource quantifiers and ultrafast spectroscopy techniques that have recently been demonstrated paves the way for future applications of quantum information technologies.</jats:p>","lang":"eng"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"266","name":"PhoQC: Photonisches Quantencomputing"}],"user_id":"16199","publication":"Optical Materials Express","type":"journal_article","volume":13,"issue":"11","article_number":"2997"},{"page":"4230-4238","volume":17,"issue":"5","publication":"ACS Nano","type":"journal_article","user_id":"16199","title":"Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe<sub>2</sub>","project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"doi":"10.1021/acsnano.2c01665","_id":"61264","date_updated":"2025-09-12T11:37:52Z","date_created":"2025-09-12T11:36:52Z","publisher":"American Chemical Society (ACS)","language":[{"iso":"eng"}],"publication_identifier":{"issn":["1936-0851","1936-086X"]},"year":"2023","status":"public","citation":{"apa":"Yu, Y., Dong, C.-D., Binder, R., Schumacher, S., &#38; Ning, C.-Z. (2023). Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe<sub>2</sub>. <i>ACS Nano</i>, <i>17</i>(5), 4230–4238. <a href=\"https://doi.org/10.1021/acsnano.2c01665\">https://doi.org/10.1021/acsnano.2c01665</a>","ama":"Yu Y, Dong C-D, Binder R, Schumacher S, Ning C-Z. Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe<sub>2</sub>. <i>ACS Nano</i>. 2023;17(5):4230-4238. doi:<a href=\"https://doi.org/10.1021/acsnano.2c01665\">10.1021/acsnano.2c01665</a>","ieee":"Y. Yu, C.-D. Dong, R. Binder, S. Schumacher, and C.-Z. Ning, “Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe<sub>2</sub>,” <i>ACS Nano</i>, vol. 17, no. 5, pp. 4230–4238, 2023, doi: <a href=\"https://doi.org/10.1021/acsnano.2c01665\">10.1021/acsnano.2c01665</a>.","chicago":"Yu, Yueyang, Chuan-Ding Dong, Rolf Binder, Stefan Schumacher, and Cun-Zheng Ning. “Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe<sub>2</sub>.” <i>ACS Nano</i> 17, no. 5 (2023): 4230–38. <a href=\"https://doi.org/10.1021/acsnano.2c01665\">https://doi.org/10.1021/acsnano.2c01665</a>.","bibtex":"@article{Yu_Dong_Binder_Schumacher_Ning_2023, title={Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe<sub>2</sub>}, volume={17}, DOI={<a href=\"https://doi.org/10.1021/acsnano.2c01665\">10.1021/acsnano.2c01665</a>}, number={5}, journal={ACS Nano}, publisher={American Chemical Society (ACS)}, author={Yu, Yueyang and Dong, Chuan-Ding and Binder, Rolf and Schumacher, Stefan and Ning, Cun-Zheng}, year={2023}, pages={4230–4238} }","mla":"Yu, Yueyang, et al. “Strain-Induced Indirect-to-Direct Bandgap Transition, Photoluminescence Enhancement, and Linewidth Reduction in Bilayer MoTe<sub>2</sub>.” <i>ACS Nano</i>, vol. 17, no. 5, American Chemical Society (ACS), 2023, pp. 4230–38, doi:<a href=\"https://doi.org/10.1021/acsnano.2c01665\">10.1021/acsnano.2c01665</a>.","short":"Y. Yu, C.-D. Dong, R. Binder, S. Schumacher, C.-Z. Ning, ACS Nano 17 (2023) 4230–4238."},"publication_status":"published","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"35"},{"_id":"230"},{"_id":"27"}],"author":[{"full_name":"Yu, Yueyang","first_name":"Yueyang","last_name":"Yu"},{"full_name":"Dong, Chuan-Ding","first_name":"Chuan-Ding","last_name":"Dong"},{"last_name":"Binder","first_name":"Rolf","full_name":"Binder, Rolf"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","id":"27271","last_name":"Schumacher","orcid":"0000-0003-4042-4951"},{"first_name":"Cun-Zheng","full_name":"Ning, Cun-Zheng","last_name":"Ning"}],"intvolume":"        17"},{"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"705"},{"_id":"35"},{"_id":"230"}],"user_id":"16199","publication_status":"published","citation":{"short":"Y. Gao, X. Ma, X. Zhai, C. Xing, M. Gao, H. Dai, H. Wu, T. Liu, Y. Ren, X. Wang, A. Pan, W. Hu, S. Schumacher, T. Gao, Physical Review B 108 (2023).","mla":"Gao, Ying, et al. “Single-Shot Spatial Instability and Electric Control of Polariton Condensates at Room Temperature.” <i>Physical Review B</i>, vol. 108, no. 20, 205303, American Physical Society (APS), 2023, doi:<a href=\"https://doi.org/10.1103/physrevb.108.205303\">10.1103/physrevb.108.205303</a>.","bibtex":"@article{Gao_Ma_Zhai_Xing_Gao_Dai_Wu_Liu_Ren_Wang_et al._2023, title={Single-shot spatial instability and electric control of polariton condensates at room temperature}, volume={108}, DOI={<a href=\"https://doi.org/10.1103/physrevb.108.205303\">10.1103/physrevb.108.205303</a>}, number={20205303}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Gao, Ying and Ma, Xuekai and Zhai, Xiaokun and Xing, Chunzi and Gao, Meini and Dai, Haitao and Wu, Hao and Liu, Tong and Ren, Yuan and Wang, Xiao and et al.}, year={2023} }","chicago":"Gao, Ying, Xuekai Ma, Xiaokun Zhai, Chunzi Xing, Meini Gao, Haitao Dai, Hao Wu, et al. “Single-Shot Spatial Instability and Electric Control of Polariton Condensates at Room Temperature.” <i>Physical Review B</i> 108, no. 20 (2023). <a href=\"https://doi.org/10.1103/physrevb.108.205303\">https://doi.org/10.1103/physrevb.108.205303</a>.","ieee":"Y. Gao <i>et al.</i>, “Single-shot spatial instability and electric control of polariton condensates at room temperature,” <i>Physical Review B</i>, vol. 108, no. 20, Art. no. 205303, 2023, doi: <a href=\"https://doi.org/10.1103/physrevb.108.205303\">10.1103/physrevb.108.205303</a>.","apa":"Gao, Y., Ma, X., Zhai, X., Xing, C., Gao, M., Dai, H., Wu, H., Liu, T., Ren, Y., Wang, X., Pan, A., Hu, W., Schumacher, S., &#38; Gao, T. (2023). Single-shot spatial instability and electric control of polariton condensates at room temperature. <i>Physical Review B</i>, <i>108</i>(20), Article 205303. <a href=\"https://doi.org/10.1103/physrevb.108.205303\">https://doi.org/10.1103/physrevb.108.205303</a>","ama":"Gao Y, Ma X, Zhai X, et al. Single-shot spatial instability and electric control of polariton condensates at room temperature. <i>Physical Review B</i>. 2023;108(20). doi:<a href=\"https://doi.org/10.1103/physrevb.108.205303\">10.1103/physrevb.108.205303</a>"},"intvolume":"       108","doi":"10.1103/physrevb.108.205303","author":[{"last_name":"Gao","full_name":"Gao, Ying","first_name":"Ying"},{"full_name":"Ma, Xuekai","first_name":"Xuekai","id":"59416","last_name":"Ma"},{"last_name":"Zhai","first_name":"Xiaokun","full_name":"Zhai, Xiaokun"},{"last_name":"Xing","first_name":"Chunzi","full_name":"Xing, Chunzi"},{"first_name":"Meini","full_name":"Gao, Meini","last_name":"Gao"},{"last_name":"Dai","first_name":"Haitao","full_name":"Dai, Haitao"},{"first_name":"Hao","full_name":"Wu, Hao","last_name":"Wu"},{"first_name":"Tong","full_name":"Liu, Tong","last_name":"Liu"},{"last_name":"Ren","full_name":"Ren, Yuan","first_name":"Yuan"},{"full_name":"Wang, Xiao","first_name":"Xiao","last_name":"Wang"},{"last_name":"Pan","full_name":"Pan, Anlian","first_name":"Anlian"},{"last_name":"Hu","full_name":"Hu, Wei","first_name":"Wei"},{"orcid":"0000-0003-4042-4951","first_name":"Stefan","full_name":"Schumacher, Stefan","last_name":"Schumacher","id":"27271"},{"last_name":"Gao","first_name":"Tingge","full_name":"Gao, Tingge"}],"title":"Single-shot spatial instability and electric control of polariton condensates at room temperature","date_updated":"2025-09-12T11:46:10Z","issue":"20","article_number":"205303","volume":108,"_id":"61269","status":"public","publication_identifier":{"issn":["2469-9950","2469-9969"]},"year":"2023","type":"journal_article","language":[{"iso":"eng"}],"publisher":"American Physical Society (APS)","publication":"Physical Review B","date_created":"2025-09-12T11:45:20Z"},{"user_id":"16199","title":"Dynamics-induced charge transfer in semiconducting conjugated polymers","abstract":[{"lang":"eng","text":"<jats:p>Dynamics-induced interchain charge transfer in a polymer aggregate in stack configuration can be understood by single-oligomer polaron energy.</jats:p>"}],"doi":"10.1039/d3tc02263c","project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"volume":11,"page":"12992-12998","issue":"38","publication":"Journal of Materials Chemistry C","type":"journal_article","publication_status":"published","citation":{"bibtex":"@article{Bauch_Dong_Schumacher_2023, title={Dynamics-induced charge transfer in semiconducting conjugated polymers}, volume={11}, DOI={<a href=\"https://doi.org/10.1039/d3tc02263c\">10.1039/d3tc02263c</a>}, number={38}, journal={Journal of Materials Chemistry C}, publisher={Royal Society of Chemistry (RSC)}, author={Bauch, Fabian and Dong, Chuan-Ding and Schumacher, Stefan}, year={2023}, pages={12992–12998} }","mla":"Bauch, Fabian, et al. “Dynamics-Induced Charge Transfer in Semiconducting Conjugated Polymers.” <i>Journal of Materials Chemistry C</i>, vol. 11, no. 38, Royal Society of Chemistry (RSC), 2023, pp. 12992–98, doi:<a href=\"https://doi.org/10.1039/d3tc02263c\">10.1039/d3tc02263c</a>.","short":"F. Bauch, C.-D. Dong, S. Schumacher, Journal of Materials Chemistry C 11 (2023) 12992–12998.","ama":"Bauch F, Dong C-D, Schumacher S. Dynamics-induced charge transfer in semiconducting conjugated polymers. <i>Journal of Materials Chemistry C</i>. 2023;11(38):12992-12998. doi:<a href=\"https://doi.org/10.1039/d3tc02263c\">10.1039/d3tc02263c</a>","apa":"Bauch, F., Dong, C.-D., &#38; Schumacher, S. (2023). Dynamics-induced charge transfer in semiconducting conjugated polymers. <i>Journal of Materials Chemistry C</i>, <i>11</i>(38), 12992–12998. <a href=\"https://doi.org/10.1039/d3tc02263c\">https://doi.org/10.1039/d3tc02263c</a>","ieee":"F. Bauch, C.-D. Dong, and S. Schumacher, “Dynamics-induced charge transfer in semiconducting conjugated polymers,” <i>Journal of Materials Chemistry C</i>, vol. 11, no. 38, pp. 12992–12998, 2023, doi: <a href=\"https://doi.org/10.1039/d3tc02263c\">10.1039/d3tc02263c</a>.","chicago":"Bauch, Fabian, Chuan-Ding Dong, and Stefan Schumacher. “Dynamics-Induced Charge Transfer in Semiconducting Conjugated Polymers.” <i>Journal of Materials Chemistry C</i> 11, no. 38 (2023): 12992–98. <a href=\"https://doi.org/10.1039/d3tc02263c\">https://doi.org/10.1039/d3tc02263c</a>."},"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"35"},{"_id":"230"},{"_id":"27"}],"author":[{"last_name":"Bauch","full_name":"Bauch, Fabian","first_name":"Fabian"},{"last_name":"Dong","first_name":"Chuan-Ding","full_name":"Dong, Chuan-Ding"},{"orcid":"0000-0003-4042-4951","id":"27271","last_name":"Schumacher","first_name":"Stefan","full_name":"Schumacher, Stefan"}],"intvolume":"        11","_id":"61267","date_updated":"2025-09-12T11:43:49Z","publisher":"Royal Society of Chemistry (RSC)","date_created":"2025-09-12T11:43:03Z","status":"public","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2050-7526","2050-7534"]},"year":"2023"},{"department":[{"_id":"15"},{"_id":"705"},{"_id":"170"},{"_id":"297"},{"_id":"35"},{"_id":"230"}],"citation":{"short":"X. Zhai, X. Ma, Y. Gao, C. Xing, M. Gao, H. Dai, X. Wang, A. Pan, S. Schumacher, T. Gao, Physical Review Letters 131 (2023) 136901.","mla":"Zhai, Xiaokun, et al. “Electrically Controlling Vortices in a Neutral Exciton Polariton Condensate at Room Temperature.” <i>Physical Review Letters</i>, vol. 131, no. 13, 2023, p. 136901, doi:<a href=\"https://doi.org/10.1103/PhysRevLett.131.136901\">10.1103/PhysRevLett.131.136901</a>.","bibtex":"@article{Zhai_Ma_Gao_Xing_Gao_Dai_Wang_Pan_Schumacher_Gao_2023, title={Electrically controlling vortices in a neutral exciton polariton condensate at room temperature}, volume={131}, DOI={<a href=\"https://doi.org/10.1103/PhysRevLett.131.136901\">10.1103/PhysRevLett.131.136901</a>}, number={13}, journal={Physical Review Letters}, author={Zhai, Xiaokun and Ma, Xuekai and Gao, Ying and Xing, Chunzi and Gao, Meini and Dai, Haitao and Wang, Xiao and Pan, Anlian and Schumacher, Stefan and Gao, Tingge}, year={2023}, pages={136901} }","chicago":"Zhai, Xiaokun, Xuekai Ma, Ying Gao, Chunzi Xing, Meini Gao, Haitao Dai, Xiao Wang, Anlian Pan, Stefan Schumacher, and Tingge Gao. “Electrically Controlling Vortices in a Neutral Exciton Polariton Condensate at Room Temperature.” <i>Physical Review Letters</i> 131, no. 13 (2023): 136901. <a href=\"https://doi.org/10.1103/PhysRevLett.131.136901\">https://doi.org/10.1103/PhysRevLett.131.136901</a>.","ieee":"X. Zhai <i>et al.</i>, “Electrically controlling vortices in a neutral exciton polariton condensate at room temperature,” <i>Physical Review Letters</i>, vol. 131, no. 13, p. 136901, 2023, doi: <a href=\"https://doi.org/10.1103/PhysRevLett.131.136901\">10.1103/PhysRevLett.131.136901</a>.","ama":"Zhai X, Ma X, Gao Y, et al. Electrically controlling vortices in a neutral exciton polariton condensate at room temperature. <i>Physical Review Letters</i>. 2023;131(13):136901. doi:<a href=\"https://doi.org/10.1103/PhysRevLett.131.136901\">10.1103/PhysRevLett.131.136901</a>","apa":"Zhai, X., Ma, X., Gao, Y., Xing, C., Gao, M., Dai, H., Wang, X., Pan, A., Schumacher, S., &#38; Gao, T. (2023). Electrically controlling vortices in a neutral exciton polariton condensate at room temperature. <i>Physical Review Letters</i>, <i>131</i>(13), 136901. <a href=\"https://doi.org/10.1103/PhysRevLett.131.136901\">https://doi.org/10.1103/PhysRevLett.131.136901</a>"},"user_id":"16199","doi":"10.1103/PhysRevLett.131.136901","intvolume":"       131","title":"Electrically controlling vortices in a neutral exciton polariton condensate at room temperature","author":[{"first_name":"Xiaokun","full_name":"Zhai, Xiaokun","last_name":"Zhai"},{"last_name":"Ma","id":"59416","full_name":"Ma, Xuekai","first_name":"Xuekai"},{"last_name":"Gao","full_name":"Gao, Ying","first_name":"Ying"},{"last_name":"Xing","full_name":"Xing, Chunzi","first_name":"Chunzi"},{"full_name":"Gao, Meini","first_name":"Meini","last_name":"Gao"},{"last_name":"Dai","first_name":"Haitao","full_name":"Dai, Haitao"},{"last_name":"Wang","first_name":"Xiao","full_name":"Wang, Xiao"},{"first_name":"Anlian","full_name":"Pan, Anlian","last_name":"Pan"},{"orcid":"0000-0003-4042-4951","first_name":"Stefan","full_name":"Schumacher, Stefan","id":"27271","last_name":"Schumacher"},{"last_name":"Gao","full_name":"Gao, Tingge","first_name":"Tingge"}],"date_updated":"2025-12-05T13:43:59Z","issue":"13","page":"136901","_id":"40274","volume":131,"type":"journal_article","year":"2023","language":[{"iso":"eng"}],"status":"public","publication":"Physical Review Letters","date_created":"2023-01-26T10:24:23Z"},{"author":[{"last_name":"De","first_name":"Jianbo","full_name":"De, Jianbo"},{"last_name":"Ma","id":"59416","first_name":"Xuekai","full_name":"Ma, Xuekai"},{"first_name":"Fan","full_name":"Yin, Fan","last_name":"Yin"},{"last_name":"Ren","first_name":"Jiahuan","full_name":"Ren, Jiahuan"},{"last_name":"Yao","first_name":"Jiannian","full_name":"Yao, Jiannian"},{"orcid":"0000-0003-4042-4951","full_name":"Schumacher, Stefan","first_name":"Stefan","id":"27271","last_name":"Schumacher"},{"first_name":"Qing","full_name":"Liao, Qing","last_name":"Liao"},{"full_name":"Fu, Hongbing","first_name":"Hongbing","last_name":"Fu"},{"full_name":"Malpuech, Guillaume","first_name":"Guillaume","last_name":"Malpuech"},{"first_name":"Dmitry","full_name":"Solnyshkov, Dmitry","last_name":"Solnyshkov"}],"intvolume":"       145","citation":{"bibtex":"@article{De_Ma_Yin_Ren_Yao_Schumacher_Liao_Fu_Malpuech_Solnyshkov_2023, title={Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates}, volume={145}, DOI={<a href=\"https://doi.org/10.1021/jacs.2c07557\">10.1021/jacs.2c07557</a>}, number={3}, journal={Journal of the American Chemical Society (JACS)}, publisher={American Chemical Society (ACS)}, author={De, Jianbo and Ma, Xuekai and Yin, Fan and Ren, Jiahuan and Yao, Jiannian and Schumacher, Stefan and Liao, Qing and Fu, Hongbing and Malpuech, Guillaume and Solnyshkov, Dmitry}, year={2023}, pages={1557–1563} }","ama":"De J, Ma X, Yin F, et al. Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates. <i>Journal of the American Chemical Society (JACS)</i>. 2023;145(3):1557-1563. doi:<a href=\"https://doi.org/10.1021/jacs.2c07557\">10.1021/jacs.2c07557</a>","apa":"De, J., Ma, X., Yin, F., Ren, J., Yao, J., Schumacher, S., Liao, Q., Fu, H., Malpuech, G., &#38; Solnyshkov, D. (2023). Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates. <i>Journal of the American Chemical Society (JACS)</i>, <i>145</i>(3), 1557–1563. <a href=\"https://doi.org/10.1021/jacs.2c07557\">https://doi.org/10.1021/jacs.2c07557</a>","mla":"De, Jianbo, et al. “Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates.” <i>Journal of the American Chemical Society (JACS)</i>, vol. 145, no. 3, American Chemical Society (ACS), 2023, pp. 1557–63, doi:<a href=\"https://doi.org/10.1021/jacs.2c07557\">10.1021/jacs.2c07557</a>.","ieee":"J. De <i>et al.</i>, “Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates,” <i>Journal of the American Chemical Society (JACS)</i>, vol. 145, no. 3, pp. 1557–1563, 2023, doi: <a href=\"https://doi.org/10.1021/jacs.2c07557\">10.1021/jacs.2c07557</a>.","chicago":"De, Jianbo, Xuekai Ma, Fan Yin, Jiahuan Ren, Jiannian Yao, Stefan Schumacher, Qing Liao, Hongbing Fu, Guillaume Malpuech, and Dmitry Solnyshkov. “Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates.” <i>Journal of the American Chemical Society (JACS)</i> 145, no. 3 (2023): 1557–63. <a href=\"https://doi.org/10.1021/jacs.2c07557\">https://doi.org/10.1021/jacs.2c07557</a>.","short":"J. De, X. Ma, F. Yin, J. Ren, J. Yao, S. Schumacher, Q. Liao, H. Fu, G. Malpuech, D. Solnyshkov, Journal of the American Chemical Society (JACS) 145 (2023) 1557–1563."},"publication_status":"published","department":[{"_id":"15"},{"_id":"170"},{"_id":"705"},{"_id":"297"},{"_id":"230"},{"_id":"429"},{"_id":"35"}],"date_created":"2023-01-12T12:07:52Z","publisher":"American Chemical Society (ACS)","language":[{"iso":"eng"}],"publication_identifier":{"issn":["0002-7863","1520-5126"]},"year":"2023","status":"public","_id":"36416","date_updated":"2025-12-05T13:50:32Z","title":"Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates","project":[{"name":"TRR 142: TRR 142","_id":"53"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"name":"TRR 142 - A4: TRR 142 - Subproject A4","_id":"61"},{"name":"TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen","_id":"53"}],"doi":"10.1021/jacs.2c07557","keyword":["Colloid and Surface Chemistry","Biochemistry","General Chemistry","Catalysis"],"user_id":"16199","publication":"Journal of the American Chemical Society (JACS)","type":"journal_article","page":"1557-1563","volume":145,"issue":"3"},{"publication":"Nature Communications","type":"journal_article","volume":13,"issue":"1","article_number":"1387","title":"Nonlinear down-conversion in a single quantum dot","doi":"10.1038/s41467-022-28993-3","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title><jats:p>Tailored nanoscale quantum light sources, matching the specific needs of use cases, are crucial building blocks for photonic quantum technologies. Several different approaches to realize solid-state quantum emitters with high performance have been pursued and different concepts for energy tuning have been established. However, the properties of the emitted photons are always defined by the individual quantum emitter and can therefore not be controlled with full flexibility. Here we introduce an all-optical nonlinear method to tailor and control the single photon emission. We demonstrate a laser-controlled down-conversion process from an excited state of a semiconductor quantum three-level system. Based on this concept, we realize energy tuning and polarization control of the single photon emission with a control-laser field. Our results mark an important step towards tailored single photon emission from a photonic quantum system based on quantum optical principles.</jats:p>"}],"project":[{"name":"TRR 142: TRR 142","_id":"53"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"name":"TRR 142 - A03: TRR 142 - Subproject A03","_id":"60"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"keyword":["General Physics and Astronomy","General Biochemistry","Genetics and Molecular Biology","General Chemistry","Multidisciplinary"],"user_id":"16199","publisher":"Springer Science and Business Media LLC","date_created":"2023-01-27T13:41:42Z","status":"public","language":[{"iso":"eng"}],"year":"2022","publication_identifier":{"issn":["2041-1723"]},"_id":"40523","date_updated":"2023-04-20T15:18:31Z","author":[{"last_name":"Jonas","full_name":"Jonas, B.","first_name":"B."},{"full_name":"Heinze, Dirk Florian","first_name":"Dirk Florian","last_name":"Heinze","id":"10904"},{"full_name":"Schöll, E.","first_name":"E.","last_name":"Schöll"},{"first_name":"P.","full_name":"Kallert, P.","last_name":"Kallert"},{"last_name":"Langer","full_name":"Langer, T.","first_name":"T."},{"full_name":"Krehs, S.","first_name":"S.","last_name":"Krehs"},{"first_name":"A.","full_name":"Widhalm, A.","last_name":"Widhalm"},{"last_name":"Jöns","id":"85353","first_name":"Klaus","full_name":"Jöns, Klaus"},{"full_name":"Reuter, Dirk","first_name":"Dirk","last_name":"Reuter","id":"37763"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","last_name":"Schumacher","id":"27271","orcid":"0000-0003-4042-4951"},{"orcid":"0000-0002-5190-0944","last_name":"Zrenner","id":"606","full_name":"Zrenner, Artur","first_name":"Artur"}],"intvolume":"        13","publication_status":"published","citation":{"bibtex":"@article{Jonas_Heinze_Schöll_Kallert_Langer_Krehs_Widhalm_Jöns_Reuter_Schumacher_et al._2022, title={Nonlinear down-conversion in a single quantum dot}, volume={13}, DOI={<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>}, number={11387}, journal={Nature Communications}, publisher={Springer Science and Business Media LLC}, author={Jonas, B. and Heinze, Dirk Florian and Schöll, E. and Kallert, P. and Langer, T. and Krehs, S. and Widhalm, A. and Jöns, Klaus and Reuter, Dirk and Schumacher, Stefan and et al.}, year={2022} }","mla":"Jonas, B., et al. “Nonlinear Down-Conversion in a Single Quantum Dot.” <i>Nature Communications</i>, vol. 13, no. 1, 1387, Springer Science and Business Media LLC, 2022, doi:<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>.","short":"B. Jonas, D.F. Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, K. Jöns, D. Reuter, S. Schumacher, A. Zrenner, Nature Communications 13 (2022).","ama":"Jonas B, Heinze DF, Schöll E, et al. Nonlinear down-conversion in a single quantum dot. <i>Nature Communications</i>. 2022;13(1). doi:<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>","apa":"Jonas, B., Heinze, D. F., Schöll, E., Kallert, P., Langer, T., Krehs, S., Widhalm, A., Jöns, K., Reuter, D., Schumacher, S., &#38; Zrenner, A. (2022). Nonlinear down-conversion in a single quantum dot. <i>Nature Communications</i>, <i>13</i>(1), Article 1387. <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">https://doi.org/10.1038/s41467-022-28993-3</a>","ieee":"B. Jonas <i>et al.</i>, “Nonlinear down-conversion in a single quantum dot,” <i>Nature Communications</i>, vol. 13, no. 1, Art. no. 1387, 2022, doi: <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>.","chicago":"Jonas, B., Dirk Florian Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, et al. “Nonlinear Down-Conversion in a Single Quantum Dot.” <i>Nature Communications</i> 13, no. 1 (2022). <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">https://doi.org/10.1038/s41467-022-28993-3</a>."},"department":[{"_id":"15"},{"_id":"297"},{"_id":"230"},{"_id":"429"},{"_id":"27"},{"_id":"623"},{"_id":"170"},{"_id":"35"}]},{"project":[{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"name":"TRR 142 - A3: TRR 142 - Subproject A3","_id":"60"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"doi":"10.1103/physrevb.105.045302","title":"Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton","user_id":"16199","type":"journal_article","publication":"Physical Review B","article_number":"045302","issue":"4","volume":105,"intvolume":"       105","author":[{"full_name":"Praschan, Tom","first_name":"Tom","last_name":"Praschan"},{"full_name":"Heinze, Dirk","first_name":"Dirk","last_name":"Heinze"},{"last_name":"Breddermann","full_name":"Breddermann, Dominik","first_name":"Dominik"},{"orcid":"0000-0002-5190-0944","id":"606","last_name":"Zrenner","full_name":"Zrenner, Artur","first_name":"Artur"},{"last_name":"Walther","full_name":"Walther, Andrea","first_name":"Andrea"},{"last_name":"Schumacher","id":"27271","full_name":"Schumacher, Stefan","first_name":"Stefan","orcid":"0000-0003-4042-4951"}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"290"},{"_id":"230"},{"_id":"429"},{"_id":"623"},{"_id":"35"}],"citation":{"short":"T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, S. Schumacher, Physical Review B 105 (2022).","mla":"Praschan, Tom, et al. “Pulse Shaping for On-Demand Emission of Single Raman Photons from a Quantum-Dot Biexciton.” <i>Physical Review B</i>, vol. 105, no. 4, 045302, American Physical Society (APS), 2022, doi:<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>.","bibtex":"@article{Praschan_Heinze_Breddermann_Zrenner_Walther_Schumacher_2022, title={Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton}, volume={105}, DOI={<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>}, number={4045302}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Praschan, Tom and Heinze, Dirk and Breddermann, Dominik and Zrenner, Artur and Walther, Andrea and Schumacher, Stefan}, year={2022} }","chicago":"Praschan, Tom, Dirk Heinze, Dominik Breddermann, Artur Zrenner, Andrea Walther, and Stefan Schumacher. “Pulse Shaping for On-Demand Emission of Single Raman Photons from a Quantum-Dot Biexciton.” <i>Physical Review B</i> 105, no. 4 (2022). <a href=\"https://doi.org/10.1103/physrevb.105.045302\">https://doi.org/10.1103/physrevb.105.045302</a>.","ieee":"T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, and S. Schumacher, “Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton,” <i>Physical Review B</i>, vol. 105, no. 4, Art. no. 045302, 2022, doi: <a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>.","apa":"Praschan, T., Heinze, D., Breddermann, D., Zrenner, A., Walther, A., &#38; Schumacher, S. (2022). Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton. <i>Physical Review B</i>, <i>105</i>(4), Article 045302. <a href=\"https://doi.org/10.1103/physrevb.105.045302\">https://doi.org/10.1103/physrevb.105.045302</a>","ama":"Praschan T, Heinze D, Breddermann D, Zrenner A, Walther A, Schumacher S. Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton. <i>Physical Review B</i>. 2022;105(4). doi:<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>"},"publication_status":"published","year":"2022","publication_identifier":{"issn":["2469-9950","2469-9969"]},"language":[{"iso":"eng"}],"status":"public","date_created":"2023-01-26T15:45:42Z","publisher":"American Physical Society (APS)","date_updated":"2023-04-20T15:19:24Z","_id":"40431"},{"publisher":"LibreCat University","date_created":"2023-01-26T15:38:28Z","status":"public","type":"research_data","year":"2022","_id":"40428","date_updated":"2023-04-20T15:18:48Z","author":[{"last_name":"Jonas","first_name":"Björn","full_name":"Jonas, Björn"},{"id":"10904","last_name":"Heinze","first_name":"Dirk Florian","full_name":"Heinze, Dirk Florian"},{"last_name":"Schöll","full_name":"Schöll, Eva","first_name":"Eva"},{"full_name":"Kallert, Patricia","first_name":"Patricia","last_name":"Kallert"},{"full_name":"Langer, Timo","first_name":"Timo","last_name":"Langer"},{"full_name":"Krehs, Sebastian","first_name":"Sebastian","last_name":"Krehs"},{"full_name":"Widhalm, Alex","first_name":"Alex","last_name":"Widhalm"},{"first_name":"Klaus","full_name":"Jöns, Klaus","last_name":"Jöns","id":"85353"},{"full_name":"Reuter, Dirk","first_name":"Dirk","id":"37763","last_name":"Reuter"},{"first_name":"Artur","full_name":"Zrenner, Artur","id":"606","last_name":"Zrenner","orcid":"0000-0002-5190-0944"}],"title":"Nonlinear down-conversion in a single quantum dot","doi":"10.5281/ZENODO.6024228","project":[{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"_id":"60","name":"TRR 142 - A3: TRR 142 - Subproject A3"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"user_id":"16199","citation":{"apa":"Jonas, B., Heinze, D. F., Schöll, E., Kallert, P., Langer, T., Krehs, S., Widhalm, A., Jöns, K., Reuter, D., &#38; Zrenner, A. (2022). <i>Nonlinear down-conversion in a single quantum dot</i>. LibreCat University. <a href=\"https://doi.org/10.5281/ZENODO.6024228\">https://doi.org/10.5281/ZENODO.6024228</a>","ama":"Jonas B, Heinze DF, Schöll E, et al. <i>Nonlinear Down-Conversion in a Single Quantum Dot</i>. LibreCat University; 2022. doi:<a href=\"https://doi.org/10.5281/ZENODO.6024228\">10.5281/ZENODO.6024228</a>","chicago":"Jonas, Björn, Dirk Florian Heinze, Eva Schöll, Patricia Kallert, Timo Langer, Sebastian Krehs, Alex Widhalm, Klaus Jöns, Dirk Reuter, and Artur Zrenner. <i>Nonlinear Down-Conversion in a Single Quantum Dot</i>. LibreCat University, 2022. <a href=\"https://doi.org/10.5281/ZENODO.6024228\">https://doi.org/10.5281/ZENODO.6024228</a>.","ieee":"B. Jonas <i>et al.</i>, <i>Nonlinear down-conversion in a single quantum dot</i>. LibreCat University, 2022.","mla":"Jonas, Björn, et al. <i>Nonlinear Down-Conversion in a Single Quantum Dot</i>. LibreCat University, 2022, doi:<a href=\"https://doi.org/10.5281/ZENODO.6024228\">10.5281/ZENODO.6024228</a>.","bibtex":"@book{Jonas_Heinze_Schöll_Kallert_Langer_Krehs_Widhalm_Jöns_Reuter_Zrenner_2022, title={Nonlinear down-conversion in a single quantum dot}, DOI={<a href=\"https://doi.org/10.5281/ZENODO.6024228\">10.5281/ZENODO.6024228</a>}, publisher={LibreCat University}, author={Jonas, Björn and Heinze, Dirk Florian and Schöll, Eva and Kallert, Patricia and Langer, Timo and Krehs, Sebastian and Widhalm, Alex and Jöns, Klaus and Reuter, Dirk and Zrenner, Artur}, year={2022} }","short":"B. Jonas, D.F. Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, K. Jöns, D. Reuter, A. Zrenner, Nonlinear Down-Conversion in a Single Quantum Dot, LibreCat University, 2022."},"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"290"},{"_id":"292"},{"_id":"642"},{"_id":"230"},{"_id":"429"},{"_id":"35"}]},{"project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"abstract":[{"lang":"eng","text":"<jats:p>Lewis-acid doping of organic semiconductors (OSCs) opens up new ways of p-type doping and has recently become of significant interest.</jats:p>"}],"doi":"10.1039/d2ra02032g","title":"Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids","keyword":["General Chemical Engineering","General Chemistry"],"user_id":"16199","type":"journal_article","publication":"RSC Advances","issue":"22","page":"13999-14006","volume":12,"intvolume":"        12","author":[{"full_name":"Bauch, Fabian","first_name":"Fabian","last_name":"Bauch"},{"id":"67188","last_name":"Dong","full_name":"Dong, Chuan-Ding","first_name":"Chuan-Ding"},{"orcid":"0000-0003-4042-4951","last_name":"Schumacher","id":"27271","full_name":"Schumacher, Stefan","first_name":"Stefan"}],"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"230"},{"_id":"35"}],"citation":{"bibtex":"@article{Bauch_Dong_Schumacher_2022, title={Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids}, volume={12}, DOI={<a href=\"https://doi.org/10.1039/d2ra02032g\">10.1039/d2ra02032g</a>}, number={22}, journal={RSC Advances}, publisher={Royal Society of Chemistry (RSC)}, author={Bauch, Fabian and Dong, Chuan-Ding and Schumacher, Stefan}, year={2022}, pages={13999–14006} }","mla":"Bauch, Fabian, et al. “Protonation-Induced Charge Transfer and Polaron Formation in Organic Semiconductors Doped by Lewis Acids.” <i>RSC Advances</i>, vol. 12, no. 22, Royal Society of Chemistry (RSC), 2022, pp. 13999–4006, doi:<a href=\"https://doi.org/10.1039/d2ra02032g\">10.1039/d2ra02032g</a>.","short":"F. Bauch, C.-D. Dong, S. Schumacher, RSC Advances 12 (2022) 13999–14006.","ama":"Bauch F, Dong C-D, Schumacher S. Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids. <i>RSC Advances</i>. 2022;12(22):13999-14006. doi:<a href=\"https://doi.org/10.1039/d2ra02032g\">10.1039/d2ra02032g</a>","apa":"Bauch, F., Dong, C.-D., &#38; Schumacher, S. (2022). Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids. <i>RSC Advances</i>, <i>12</i>(22), 13999–14006. <a href=\"https://doi.org/10.1039/d2ra02032g\">https://doi.org/10.1039/d2ra02032g</a>","ieee":"F. Bauch, C.-D. Dong, and S. Schumacher, “Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids,” <i>RSC Advances</i>, vol. 12, no. 22, pp. 13999–14006, 2022, doi: <a href=\"https://doi.org/10.1039/d2ra02032g\">10.1039/d2ra02032g</a>.","chicago":"Bauch, Fabian, Chuan-Ding Dong, and Stefan Schumacher. “Protonation-Induced Charge Transfer and Polaron Formation in Organic Semiconductors Doped by Lewis Acids.” <i>RSC Advances</i> 12, no. 22 (2022): 13999–6. <a href=\"https://doi.org/10.1039/d2ra02032g\">https://doi.org/10.1039/d2ra02032g</a>."},"publication_status":"published","language":[{"iso":"eng"}],"publication_identifier":{"issn":["2046-2069"]},"year":"2022","status":"public","date_created":"2023-01-26T15:27:12Z","publisher":"Royal Society of Chemistry (RSC)","date_updated":"2023-04-20T15:21:09Z","_id":"40423"},{"_id":"40425","date_updated":"2023-04-20T15:21:26Z","publisher":"American Chemical Society (ACS)","date_created":"2023-01-26T15:31:50Z","status":"public","publication_identifier":{"issn":["1089-5639","1520-5215"]},"year":"2022","language":[{"iso":"eng"}],"publication_status":"published","citation":{"apa":"Bathe, T., Dong, C.-D., &#38; Schumacher, S. (2022). Microscopic Study of Molecular Double Doping. <i>The Journal of Physical Chemistry A</i>, <i>126</i>(13), 2075–2081. <a href=\"https://doi.org/10.1021/acs.jpca.1c09179\">https://doi.org/10.1021/acs.jpca.1c09179</a>","ama":"Bathe T, Dong C-D, Schumacher S. Microscopic Study of Molecular Double Doping. <i>The Journal of Physical Chemistry A</i>. 2022;126(13):2075-2081. doi:<a href=\"https://doi.org/10.1021/acs.jpca.1c09179\">10.1021/acs.jpca.1c09179</a>","chicago":"Bathe, Thomas, Chuan-Ding Dong, and Stefan Schumacher. “Microscopic Study of Molecular Double Doping.” <i>The Journal of Physical Chemistry A</i> 126, no. 13 (2022): 2075–81. <a href=\"https://doi.org/10.1021/acs.jpca.1c09179\">https://doi.org/10.1021/acs.jpca.1c09179</a>.","ieee":"T. Bathe, C.-D. Dong, and S. Schumacher, “Microscopic Study of Molecular Double Doping,” <i>The Journal of Physical Chemistry A</i>, vol. 126, no. 13, pp. 2075–2081, 2022, doi: <a href=\"https://doi.org/10.1021/acs.jpca.1c09179\">10.1021/acs.jpca.1c09179</a>.","mla":"Bathe, Thomas, et al. “Microscopic Study of Molecular Double Doping.” <i>The Journal of Physical Chemistry A</i>, vol. 126, no. 13, American Chemical Society (ACS), 2022, pp. 2075–81, doi:<a href=\"https://doi.org/10.1021/acs.jpca.1c09179\">10.1021/acs.jpca.1c09179</a>.","bibtex":"@article{Bathe_Dong_Schumacher_2022, title={Microscopic Study of Molecular Double Doping}, volume={126}, DOI={<a href=\"https://doi.org/10.1021/acs.jpca.1c09179\">10.1021/acs.jpca.1c09179</a>}, number={13}, journal={The Journal of Physical Chemistry A}, publisher={American Chemical Society (ACS)}, author={Bathe, Thomas and Dong, Chuan-Ding and Schumacher, Stefan}, year={2022}, pages={2075–2081} }","short":"T. Bathe, C.-D. Dong, S. Schumacher, The Journal of Physical Chemistry A 126 (2022) 2075–2081."},"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"230"},{"_id":"35"}],"author":[{"last_name":"Bathe","full_name":"Bathe, Thomas","first_name":"Thomas"},{"full_name":"Dong, Chuan-Ding","first_name":"Chuan-Ding","id":"67188","last_name":"Dong"},{"orcid":"0000-0003-4042-4951","id":"27271","last_name":"Schumacher","full_name":"Schumacher, Stefan","first_name":"Stefan"}],"intvolume":"       126","volume":126,"page":"2075-2081","issue":"13","publication":"The Journal of Physical Chemistry A","type":"journal_article","user_id":"16199","keyword":["Physical and Theoretical Chemistry"],"title":"Microscopic Study of Molecular Double Doping","doi":"10.1021/acs.jpca.1c09179","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}]},{"_id":"34094","volume":121,"article_number":"201103","date_updated":"2025-12-05T13:50:49Z","issue":"20","publication":"Applied Physics Letters","date_created":"2022-11-16T12:29:11Z","publisher":"AIP Publishing","year":"2022","publication_identifier":{"issn":["0003-6951","1077-3118"]},"type":"journal_article","language":[{"iso":"eng"}],"status":"public","citation":{"chicago":"Gao, Ying, Yao Li, Xuekai Ma, Meini Gao, Haitao Dai, Stefan Schumacher, and Tingge Gao. “Tilting Nondispersive Bands in an Empty Microcavity.” <i>Applied Physics Letters</i> 121, no. 20 (2022). <a href=\"https://doi.org/10.1063/5.0093908\">https://doi.org/10.1063/5.0093908</a>.","ieee":"Y. Gao <i>et al.</i>, “Tilting nondispersive bands in an empty microcavity,” <i>Applied Physics Letters</i>, vol. 121, no. 20, Art. no. 201103, 2022, doi: <a href=\"https://doi.org/10.1063/5.0093908\">10.1063/5.0093908</a>.","apa":"Gao, Y., Li, Y., Ma, X., Gao, M., Dai, H., Schumacher, S., &#38; Gao, T. (2022). Tilting nondispersive bands in an empty microcavity. <i>Applied Physics Letters</i>, <i>121</i>(20), Article 201103. <a href=\"https://doi.org/10.1063/5.0093908\">https://doi.org/10.1063/5.0093908</a>","ama":"Gao Y, Li Y, Ma X, et al. Tilting nondispersive bands in an empty microcavity. <i>Applied Physics Letters</i>. 2022;121(20). doi:<a href=\"https://doi.org/10.1063/5.0093908\">10.1063/5.0093908</a>","short":"Y. Gao, Y. Li, X. Ma, M. Gao, H. Dai, S. Schumacher, T. 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