{"publication_status":"published","user_id":"88149","language":[{"iso":"eng"}],"type":"journal_article","year":"2024","title":"Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer","status":"public","date_updated":"2024-06-01T13:00:53Z","date_created":"2024-06-01T12:48:51Z","intvolume":"         5","abstract":[{"text":"The biphoton correlation time, a measure for the conditional uncertainty in the temporal arrival of two photons from a photon pair source, is a key performance identifier for many quantum spectroscopy applications, with shorter correlation times typically yielding better performance. Furthermore, it provides fundamental insight into the effects of dispersion on the biphoton state. Here, we show that a characteristic dependence of the width of the temporal interferogram can be exploited to obtain insights into the amount of second-order dispersion inside the interferometer and to retrieve actual and Fourier-limited ultrashort biphoton correlation times of around 100 fs. In the presented scheme, we simultaneously measure spectral and temporal interferograms at the output of an SU(1,1) interferometer based on an integrated broadband parametric down conversion source in a Ti:LiNbO3 waveguide.","lang":"eng"}],"_id":"54544","author":[{"first_name":"Franz","id":"88149","full_name":"Roeder, Franz","last_name":"Roeder"},{"last_name":"Pollmann","full_name":"Pollmann, René","first_name":"René","id":"78890"},{"last_name":"Stefszky","full_name":"Stefszky, Michael","id":"42777","first_name":"Michael"},{"last_name":"Santandrea","full_name":"Santandrea, Matteo","first_name":"Matteo","id":"55095","orcid":"0000-0001-5718-358X"},{"full_name":"Luo, Kai Hong","last_name":"Luo","id":"36389","orcid":"0000-0003-1008-4976","first_name":"Kai Hong"},{"first_name":"V.","last_name":"Quiring","full_name":"Quiring, V."},{"first_name":"Raimund","last_name":"Ricken","full_name":"Ricken, Raimund"},{"first_name":"Christof","id":"13244","orcid":"https://orcid.org/0000-0002-5693-3083","last_name":"Eigner","full_name":"Eigner, Christof"},{"full_name":"Brecht, Benjamin","last_name":"Brecht","orcid":"0000-0003-4140-0556 ","id":"27150","first_name":"Benjamin"},{"id":"26263","first_name":"Christine","last_name":"Silberhorn","full_name":"Silberhorn, Christine"}],"article_number":"020350","publisher":"American Physical Society (APS)","department":[{"_id":"288"},{"_id":"623"}],"publication_identifier":{"issn":["2691-3399"]},"volume":5,"issue":"2","doi":"10.1103/prxquantum.5.020350","project":[{"name":"MiLiQuant: Miniaturisierte Lichtquellen für den industriellen Einsatz in Quantensensoren und Quanten-Imaging-Systemen (MiLiQuant) - Teilvorhaben: Technologie und Theorie für MIR Quanten-Imaging Systeme","grant_number":"13N15065","_id":"207"},{"name":"MIRAQLS: MIRAQLS: Mid-infrared Quantum Technology for Sensing","grant_number":"101070700","_id":"571"},{"_id":"190","name":"E2TPA: Exploiting Entangled Two-Photon Absorption"}],"publication":"PRX Quantum","citation":{"chicago":"Roeder, Franz, René Pollmann, Michael Stefszky, Matteo Santandrea, Kai Hong Luo, V. Quiring, Raimund Ricken, Christof Eigner, Benjamin Brecht, and Christine Silberhorn. “Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer.” <i>PRX Quantum</i> 5, no. 2 (2024). <a href=\"https://doi.org/10.1103/prxquantum.5.020350\">https://doi.org/10.1103/prxquantum.5.020350</a>.","ieee":"F. Roeder <i>et al.</i>, “Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer,” <i>PRX Quantum</i>, vol. 5, no. 2, Art. no. 020350, 2024, doi: <a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>.","apa":"Roeder, F., Pollmann, R., Stefszky, M., Santandrea, M., Luo, K. H., Quiring, V., Ricken, R., Eigner, C., Brecht, B., &#38; Silberhorn, C. (2024). Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer. <i>PRX Quantum</i>, <i>5</i>(2), Article 020350. <a href=\"https://doi.org/10.1103/prxquantum.5.020350\">https://doi.org/10.1103/prxquantum.5.020350</a>","bibtex":"@article{Roeder_Pollmann_Stefszky_Santandrea_Luo_Quiring_Ricken_Eigner_Brecht_Silberhorn_2024, title={Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer}, volume={5}, DOI={<a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>}, number={2020350}, journal={PRX Quantum}, publisher={American Physical Society (APS)}, author={Roeder, Franz and Pollmann, René and Stefszky, Michael and Santandrea, Matteo and Luo, Kai Hong and Quiring, V. and Ricken, Raimund and Eigner, Christof and Brecht, Benjamin and Silberhorn, Christine}, year={2024} }","ama":"Roeder F, Pollmann R, Stefszky M, et al. Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer. <i>PRX Quantum</i>. 2024;5(2). doi:<a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>","short":"F. Roeder, R. Pollmann, M. Stefszky, M. Santandrea, K.H. Luo, V. Quiring, R. Ricken, C. Eigner, B. Brecht, C. Silberhorn, PRX Quantum 5 (2024).","mla":"Roeder, Franz, et al. “Measurement of Ultrashort Biphoton Correlation Times with an Integrated Two-Color Broadband SU(1,1)-Interferometer.” <i>PRX Quantum</i>, vol. 5, no. 2, 020350, American Physical Society (APS), 2024, doi:<a href=\"https://doi.org/10.1103/prxquantum.5.020350\">10.1103/prxquantum.5.020350</a>."}}