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D."},{"last_name":"Datta","full_name":"Datta, Animesh","first_name":"Animesh"},{"first_name":"Joshua","full_name":"Nunn, Joshua","last_name":"Nunn"},{"first_name":"Lijian","last_name":"Zhang","full_name":"Zhang, Lijian"},{"last_name":"Walmsley","full_name":"Walmsley, Ian","first_name":"Ian"}],"date_updated":"2022-01-06T06:52:43Z","doi":"10.1103/physreva.87.022313","title":"Strategies for enhancing quantum entanglement by local photon subtraction","publication_identifier":{"issn":["1050-2947","1094-1622"]},"publication_status":"published","citation":{"bibtex":"@article{Bartley_Crowley_Datta_Nunn_Zhang_Walmsley_2013, title={Strategies for enhancing quantum entanglement by local photon subtraction}, DOI={<a href=\"https://doi.org/10.1103/physreva.87.022313\">10.1103/physreva.87.022313</a>}, journal={Physical Review A}, author={Bartley, Tim and Crowley, Philip J. D. and Datta, Animesh and Nunn, Joshua and Zhang, Lijian and Walmsley, Ian}, year={2013} }","mla":"Bartley, Tim, et al. “Strategies for Enhancing Quantum Entanglement by Local Photon Subtraction.” <i>Physical Review A</i>, 2013, doi:<a href=\"https://doi.org/10.1103/physreva.87.022313\">10.1103/physreva.87.022313</a>.","short":"T. Bartley, P.J.D. Crowley, A. Datta, J. Nunn, L. Zhang, I. Walmsley, Physical Review A (2013).","apa":"Bartley, T., Crowley, P. J. D., Datta, A., Nunn, J., Zhang, L., &#38; Walmsley, I. (2013). Strategies for enhancing quantum entanglement by local photon subtraction. <i>Physical Review A</i>. <a href=\"https://doi.org/10.1103/physreva.87.022313\">https://doi.org/10.1103/physreva.87.022313</a>","ama":"Bartley T, Crowley PJD, Datta A, Nunn J, Zhang L, Walmsley I. Strategies for enhancing quantum entanglement by local photon subtraction. <i>Physical Review A</i>. 2013. doi:<a href=\"https://doi.org/10.1103/physreva.87.022313\">10.1103/physreva.87.022313</a>","ieee":"T. Bartley, P. J. D. Crowley, A. Datta, J. Nunn, L. Zhang, and I. Walmsley, “Strategies for enhancing quantum entanglement by local photon subtraction,” <i>Physical Review A</i>, 2013.","chicago":"Bartley, Tim, Philip J. D. Crowley, Animesh Datta, Joshua Nunn, Lijian Zhang, and Ian Walmsley. “Strategies for Enhancing Quantum Entanglement by Local Photon Subtraction.” <i>Physical Review A</i>, 2013. <a href=\"https://doi.org/10.1103/physreva.87.022313\">https://doi.org/10.1103/physreva.87.022313</a>."},"year":"2013","department":[{"_id":"15"}],"user_id":"49683","_id":"16107","language":[{"iso":"eng"}],"extern":"1","publication":"Physical Review A","type":"journal_article","status":"public"},{"citation":{"ieee":"M. Vidrighin <i>et al.</i>, “Requirements for two-source entanglement concentration,” <i>Quantum Measurements and Quantum Metrology</i>, 2013.","chicago":"Vidrighin, Mihai, Tim Bartley, Gaia Donati, Xian-Min Jin, Marco Barbieri, W. Steven Kolthammer, Animesh Datta, and Ian A. Walmsley. “Requirements for Two-Source Entanglement Concentration.” <i>Quantum Measurements and Quantum Metrology</i>, 2013. <a href=\"https://doi.org/10.2478/qmetro-2013-0002\">https://doi.org/10.2478/qmetro-2013-0002</a>.","ama":"Vidrighin M, Bartley T, Donati G, et al. Requirements for two-source entanglement concentration. <i>Quantum Measurements and Quantum Metrology</i>. 2013. doi:<a href=\"https://doi.org/10.2478/qmetro-2013-0002\">10.2478/qmetro-2013-0002</a>","apa":"Vidrighin, M., Bartley, T., Donati, G., Jin, X.-M., Barbieri, M., Kolthammer, W. S., … Walmsley, I. A. (2013). Requirements for two-source entanglement concentration. <i>Quantum Measurements and Quantum Metrology</i>. <a href=\"https://doi.org/10.2478/qmetro-2013-0002\">https://doi.org/10.2478/qmetro-2013-0002</a>","short":"M. Vidrighin, T. Bartley, G. Donati, X.-M. Jin, M. Barbieri, W.S. Kolthammer, A. Datta, I.A. Walmsley, Quantum Measurements and Quantum Metrology (2013).","bibtex":"@article{Vidrighin_Bartley_Donati_Jin_Barbieri_Kolthammer_Datta_Walmsley_2013, title={Requirements for two-source entanglement concentration}, DOI={<a href=\"https://doi.org/10.2478/qmetro-2013-0002\">10.2478/qmetro-2013-0002</a>}, journal={Quantum Measurements and Quantum Metrology}, author={Vidrighin, Mihai and Bartley, Tim and Donati, Gaia and Jin, Xian-Min and Barbieri, Marco and Kolthammer, W. Steven and Datta, Animesh and Walmsley, Ian A.}, year={2013} }","mla":"Vidrighin, Mihai, et al. “Requirements for Two-Source Entanglement Concentration.” <i>Quantum Measurements and Quantum Metrology</i>, 2013, doi:<a href=\"https://doi.org/10.2478/qmetro-2013-0002\">10.2478/qmetro-2013-0002</a>."},"year":"2013","publication_identifier":{"issn":["2299-114X"]},"publication_status":"published","doi":"10.2478/qmetro-2013-0002","title":"Requirements for two-source entanglement concentration","author":[{"first_name":"Mihai","full_name":"Vidrighin, Mihai","last_name":"Vidrighin"},{"first_name":"Tim","full_name":"Bartley, Tim","id":"49683","last_name":"Bartley"},{"last_name":"Donati","full_name":"Donati, Gaia","first_name":"Gaia"},{"first_name":"Xian-Min","last_name":"Jin","full_name":"Jin, Xian-Min"},{"first_name":"Marco","full_name":"Barbieri, Marco","last_name":"Barbieri"},{"full_name":"Kolthammer, W. Steven","last_name":"Kolthammer","first_name":"W. Steven"},{"full_name":"Datta, Animesh","last_name":"Datta","first_name":"Animesh"},{"first_name":"Ian A.","last_name":"Walmsley","full_name":"Walmsley, Ian A."}],"date_created":"2020-02-26T15:03:56Z","date_updated":"2022-01-06T06:52:43Z","status":"public","publication":"Quantum Measurements and Quantum Metrology","type":"journal_article","extern":"1","language":[{"iso":"eng"}],"department":[{"_id":"15"}],"user_id":"49683","_id":"16108"},{"title":"Multiphoton state engineering by heralded interference between single photons and coherent states","doi":"10.1103/physreva.86.043820","date_updated":"2022-01-06T06:52:43Z","date_created":"2020-02-26T15:04:54Z","author":[{"last_name":"Bartley","id":"49683","full_name":"Bartley, Tim","first_name":"Tim"},{"first_name":"Gaia","last_name":"Donati","full_name":"Donati, Gaia"},{"last_name":"Spring","full_name":"Spring, Justin B.","first_name":"Justin B."},{"first_name":"Xian-Min","full_name":"Jin, Xian-Min","last_name":"Jin"},{"last_name":"Barbieri","full_name":"Barbieri, Marco","first_name":"Marco"},{"first_name":"Animesh","last_name":"Datta","full_name":"Datta, Animesh"},{"full_name":"Smith, Brian J.","last_name":"Smith","first_name":"Brian J."},{"full_name":"Walmsley, Ian A.","last_name":"Walmsley","first_name":"Ian A."}],"year":"2012","citation":{"chicago":"Bartley, Tim, Gaia Donati, Justin B. Spring, Xian-Min Jin, Marco Barbieri, Animesh Datta, Brian J. Smith, and Ian A. Walmsley. “Multiphoton State Engineering by Heralded Interference between Single Photons and Coherent States.” <i>Physical Review A</i>, 2012. <a href=\"https://doi.org/10.1103/physreva.86.043820\">https://doi.org/10.1103/physreva.86.043820</a>.","ieee":"T. Bartley <i>et al.</i>, “Multiphoton state engineering by heralded interference between single photons and coherent states,” <i>Physical Review A</i>, 2012.","ama":"Bartley T, Donati G, Spring JB, et al. Multiphoton state engineering by heralded interference between single photons and coherent states. <i>Physical Review A</i>. 2012. doi:<a href=\"https://doi.org/10.1103/physreva.86.043820\">10.1103/physreva.86.043820</a>","apa":"Bartley, T., Donati, G., Spring, J. B., Jin, X.-M., Barbieri, M., Datta, A., … Walmsley, I. A. (2012). Multiphoton state engineering by heralded interference between single photons and coherent states. <i>Physical Review A</i>. <a href=\"https://doi.org/10.1103/physreva.86.043820\">https://doi.org/10.1103/physreva.86.043820</a>","bibtex":"@article{Bartley_Donati_Spring_Jin_Barbieri_Datta_Smith_Walmsley_2012, title={Multiphoton state engineering by heralded interference between single photons and coherent states}, DOI={<a href=\"https://doi.org/10.1103/physreva.86.043820\">10.1103/physreva.86.043820</a>}, journal={Physical Review A}, author={Bartley, Tim and Donati, Gaia and Spring, Justin B. and Jin, Xian-Min and Barbieri, Marco and Datta, Animesh and Smith, Brian J. and Walmsley, Ian A.}, year={2012} }","mla":"Bartley, Tim, et al. “Multiphoton State Engineering by Heralded Interference between Single Photons and Coherent States.” <i>Physical Review A</i>, 2012, doi:<a href=\"https://doi.org/10.1103/physreva.86.043820\">10.1103/physreva.86.043820</a>.","short":"T. Bartley, G. Donati, J.B. Spring, X.-M. Jin, M. Barbieri, A. Datta, B.J. Smith, I.A. Walmsley, Physical Review A (2012)."},"publication_identifier":{"issn":["1050-2947","1094-1622"]},"publication_status":"published","language":[{"iso":"eng"}],"extern":"1","_id":"16109","department":[{"_id":"15"}],"user_id":"49683","status":"public","publication":"Physical Review A","type":"journal_article"},{"_id":"16110","department":[{"_id":"15"}],"user_id":"49683","language":[{"iso":"eng"}],"extern":"1","publication":"Journal of Modern Optics","type":"journal_article","status":"public","date_updated":"2022-01-06T06:52:43Z","author":[{"first_name":"Gregor","full_name":"Jotzu, Gregor","last_name":"Jotzu"},{"first_name":"Tim","full_name":"Bartley, Tim","id":"49683","last_name":"Bartley"},{"full_name":"Coldenstrodt-Ronge, Hendrik B.","last_name":"Coldenstrodt-Ronge","first_name":"Hendrik B."},{"last_name":"Smith","full_name":"Smith, Brian J.","first_name":"Brian J."},{"full_name":"Walmsley, Ian A.","last_name":"Walmsley","first_name":"Ian A."}],"date_created":"2020-02-26T15:05:58Z","title":"Continuous phase stabilization and active interferometer control using two modes","doi":"10.1080/09500340.2011.621033","publication_identifier":{"issn":["0950-0340","1362-3044"]},"publication_status":"published","year":"2011","page":"42-45","citation":{"ama":"Jotzu G, Bartley T, Coldenstrodt-Ronge HB, Smith BJ, Walmsley IA. Continuous phase stabilization and active interferometer control using two modes. <i>Journal of Modern Optics</i>. 2011:42-45. doi:<a href=\"https://doi.org/10.1080/09500340.2011.621033\">10.1080/09500340.2011.621033</a>","chicago":"Jotzu, Gregor, Tim Bartley, Hendrik B. Coldenstrodt-Ronge, Brian J. Smith, and Ian A. Walmsley. “Continuous Phase Stabilization and Active Interferometer Control Using Two Modes.” <i>Journal of Modern Optics</i>, 2011, 42–45. <a href=\"https://doi.org/10.1080/09500340.2011.621033\">https://doi.org/10.1080/09500340.2011.621033</a>.","ieee":"G. Jotzu, T. Bartley, H. B. Coldenstrodt-Ronge, B. J. Smith, and I. A. Walmsley, “Continuous phase stabilization and active interferometer control using two modes,” <i>Journal of Modern Optics</i>, pp. 42–45, 2011.","apa":"Jotzu, G., Bartley, T., Coldenstrodt-Ronge, H. B., Smith, B. J., &#38; Walmsley, I. A. (2011). Continuous phase stabilization and active interferometer control using two modes. <i>Journal of Modern Optics</i>, 42–45. <a href=\"https://doi.org/10.1080/09500340.2011.621033\">https://doi.org/10.1080/09500340.2011.621033</a>","mla":"Jotzu, Gregor, et al. “Continuous Phase Stabilization and Active Interferometer Control Using Two Modes.” <i>Journal of Modern Optics</i>, 2011, pp. 42–45, doi:<a href=\"https://doi.org/10.1080/09500340.2011.621033\">10.1080/09500340.2011.621033</a>.","bibtex":"@article{Jotzu_Bartley_Coldenstrodt-Ronge_Smith_Walmsley_2011, title={Continuous phase stabilization and active interferometer control using two modes}, DOI={<a href=\"https://doi.org/10.1080/09500340.2011.621033\">10.1080/09500340.2011.621033</a>}, journal={Journal of Modern Optics}, author={Jotzu, Gregor and Bartley, Tim and Coldenstrodt-Ronge, Hendrik B. and Smith, Brian J. and Walmsley, Ian A.}, year={2011}, pages={42–45} }","short":"G. Jotzu, T. Bartley, H.B. Coldenstrodt-Ronge, B.J. Smith, I.A. Walmsley, Journal of Modern Optics (2011) 42–45."}},{"citation":{"short":"B. Heim, D. Elser, T. Bartley, M. Sabuncu, C. Wittmann, D. Sych, C. Marquardt, G. Leuchs, Applied Physics B (2009) 635–640.","bibtex":"@article{Heim_Elser_Bartley_Sabuncu_Wittmann_Sych_Marquardt_Leuchs_2009, title={Atmospheric channel characteristics for quantum communication with continuous polarization variables}, DOI={<a href=\"https://doi.org/10.1007/s00340-009-3838-8\">10.1007/s00340-009-3838-8</a>}, journal={Applied Physics B}, author={Heim, B. and Elser, D. and Bartley, Tim and Sabuncu, M. and Wittmann, C. and Sych, D. and Marquardt, C. and Leuchs, G.}, year={2009}, pages={635–640} }","mla":"Heim, B., et al. “Atmospheric Channel Characteristics for Quantum Communication with Continuous Polarization Variables.” <i>Applied Physics B</i>, 2009, pp. 635–40, doi:<a href=\"https://doi.org/10.1007/s00340-009-3838-8\">10.1007/s00340-009-3838-8</a>.","apa":"Heim, B., Elser, D., Bartley, T., Sabuncu, M., Wittmann, C., Sych, D., … Leuchs, G. (2009). Atmospheric channel characteristics for quantum communication with continuous polarization variables. <i>Applied Physics B</i>, 635–640. <a href=\"https://doi.org/10.1007/s00340-009-3838-8\">https://doi.org/10.1007/s00340-009-3838-8</a>","ama":"Heim B, Elser D, Bartley T, et al. Atmospheric channel characteristics for quantum communication with continuous polarization variables. <i>Applied Physics B</i>. 2009:635-640. doi:<a href=\"https://doi.org/10.1007/s00340-009-3838-8\">10.1007/s00340-009-3838-8</a>","ieee":"B. Heim <i>et al.</i>, “Atmospheric channel characteristics for quantum communication with continuous polarization variables,” <i>Applied Physics B</i>, pp. 635–640, 2009.","chicago":"Heim, B., D. Elser, Tim Bartley, M. Sabuncu, C. Wittmann, D. Sych, C. Marquardt, and G. Leuchs. “Atmospheric Channel Characteristics for Quantum Communication with Continuous Polarization Variables.” <i>Applied Physics B</i>, 2009, 635–40. <a href=\"https://doi.org/10.1007/s00340-009-3838-8\">https://doi.org/10.1007/s00340-009-3838-8</a>."},"page":"635-640","year":"2009","publication_status":"published","publication_identifier":{"issn":["0946-2171","1432-0649"]},"doi":"10.1007/s00340-009-3838-8","title":"Atmospheric channel characteristics for quantum communication with continuous polarization variables","author":[{"last_name":"Heim","full_name":"Heim, B.","first_name":"B."},{"full_name":"Elser, D.","last_name":"Elser","first_name":"D."},{"last_name":"Bartley","id":"49683","full_name":"Bartley, Tim","first_name":"Tim"},{"first_name":"M.","full_name":"Sabuncu, M.","last_name":"Sabuncu"},{"last_name":"Wittmann","full_name":"Wittmann, C.","first_name":"C."},{"full_name":"Sych, D.","last_name":"Sych","first_name":"D."},{"first_name":"C.","full_name":"Marquardt, C.","last_name":"Marquardt"},{"last_name":"Leuchs","full_name":"Leuchs, G.","first_name":"G."}],"date_created":"2020-02-26T15:06:49Z","date_updated":"2022-01-06T06:52:43Z","status":"public","type":"journal_article","publication":"Applied Physics B","extern":"1","language":[{"iso":"eng"}],"user_id":"49683","department":[{"_id":"15"}],"_id":"16111"},{"extern":"1","language":[{"iso":"eng"}],"user_id":"49683","department":[{"_id":"15"}],"_id":"3094","status":"public","abstract":[{"lang":"eng","text":"We demonstrate for the first time the feasibility of free space quantum key distribution with continuous variables under real atmospheric conditions. More specifically, we transmit coherent polarization states over a 100 m free space channel on the roof of our institute's building. In our scheme, signal and local oscillator (LO) are combined in a single spatial mode, which auto-compensates atmospheric fluctuations and results in an excellent interference. Furthermore, the LO acts as a spatial and spectral filter, thus allowing unrestrained daylight operation."}],"type":"journal_article","publication":"New Journal of Physics","title":"Feasibility of free space quantum key distribution with coherent polarization states","author":[{"last_name":"Elser","full_name":"Elser, D.","first_name":"D."},{"first_name":"Tim","full_name":"Bartley, Tim","id":"49683","last_name":"Bartley"},{"first_name":"B.","last_name":"Heim","full_name":"Heim, B."},{"first_name":"Ch","full_name":"Wittmann, Ch","last_name":"Wittmann"},{"full_name":"Sych, D.","last_name":"Sych","first_name":"D."},{"first_name":"G.","last_name":"Leuchs","full_name":"Leuchs, G."}],"date_created":"2018-06-06T12:34:08Z","date_updated":"2022-10-11T07:22:40Z","citation":{"ama":"Elser D, Bartley T, Heim B, Wittmann C, Sych D, Leuchs G. Feasibility of free space quantum key distribution with coherent polarization states. <i>New Journal of Physics</i>. 2009;(4):045014.","chicago":"Elser, D., Tim Bartley, B. Heim, Ch Wittmann, D. Sych, and G. Leuchs. “Feasibility of Free Space Quantum Key Distribution with Coherent Polarization States.” <i>New Journal of Physics</i>, no. 4 (2009): 045014.","ieee":"D. Elser, T. Bartley, B. Heim, C. Wittmann, D. Sych, and G. Leuchs, “Feasibility of free space quantum key distribution with coherent polarization states,” <i>New Journal of Physics</i>, no. 4, p. 045014, 2009.","mla":"Elser, D., et al. “Feasibility of Free Space Quantum Key Distribution with Coherent Polarization States.” <i>New Journal of Physics</i>, no. 4, 2009, p. 045014.","short":"D. Elser, T. Bartley, B. Heim, C. Wittmann, D. Sych, G. Leuchs, New Journal of Physics (2009) 045014.","bibtex":"@article{Elser_Bartley_Heim_Wittmann_Sych_Leuchs_2009, title={Feasibility of free space quantum key distribution with coherent polarization states}, number={4}, journal={New Journal of Physics}, author={Elser, D. and Bartley, Tim and Heim, B. and Wittmann, Ch and Sych, D. and Leuchs, G.}, year={2009}, pages={045014} }","apa":"Elser, D., Bartley, T., Heim, B., Wittmann, C., Sych, D., &#38; Leuchs, G. (2009). Feasibility of free space quantum key distribution with coherent polarization states. <i>New Journal of Physics</i>, <i>4</i>, 045014."},"page":"045014","year":"2009","issue":"4","publication_identifier":{"issn":["1367-2630"]}}]