Cascaded Cavities Boost the Indistinguishability of Imperfect Quantum Emitters

Recently, Grange et al. [Phys. Rev. Lett. 114, 193601 (2015)PRLTAO0031-900710.1103/PhysRevLett.114.193601] showed the possibility of single-photon generation with a high indistinguishability from a quantum emitter despite strong pure dephasing, by "funneling" emission into a photonic cavit...

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Bibliographic Details
Main Authors: Choi, Hyeongrak (Author), Zhu, Di (Author), Yoon, Yoseob (Author), Englund, Dirk R. (Author)
Other Authors: Massachusetts Institute of Technology. Research Laboratory of Electronics (Contributor), Massachusetts Institute of Technology. Department of Chemistry (Contributor)
Format: Article
Language:English
Published: American Physical Society (APS), 2021-02-05T18:13:57Z.
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Online Access:Get fulltext
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100 1 0 |a Choi, Hyeongrak  |e author 
100 1 0 |a Massachusetts Institute of Technology. Research Laboratory of Electronics  |e contributor 
100 1 0 |a Massachusetts Institute of Technology. Department of Chemistry  |e contributor 
700 1 0 |a Zhu, Di  |e author 
700 1 0 |a Yoon, Yoseob  |e author 
700 1 0 |a Englund, Dirk R.  |e author 
245 0 0 |a Cascaded Cavities Boost the Indistinguishability of Imperfect Quantum Emitters 
260 |b American Physical Society (APS),   |c 2021-02-05T18:13:57Z. 
856 |z Get fulltext  |u https://hdl.handle.net/1721.1/129687 
520 |a Recently, Grange et al. [Phys. Rev. Lett. 114, 193601 (2015)PRLTAO0031-900710.1103/PhysRevLett.114.193601] showed the possibility of single-photon generation with a high indistinguishability from a quantum emitter despite strong pure dephasing, by "funneling" emission into a photonic cavity. Here, we show that a cascaded two-cavity system can further improve the photon characteristics and greatly reduce the Q factor requirement to levels achievable with present-day technology. Our approach leverages recent advances in nanocavities with an ultrasmall mode volume and does not require ultrafast excitation of the emitter. These results were obtained by numerical and closed-form analytical models with strong emitter dephasing, representing roomerature quantum emitters. ©2019 American Physical Society. 
520 |a Air Force Office of Scientific Research program - AFOSR (FA9550-16-1-0391) 
520 |a Air Force Office of Scientific Research (AFOSR) Multidisciplinary University Research Initiative (MURI) 
520 |a National Science Scholarship from Agency for Science, Technology and Research (A*STAR), Singapore 
520 |a Army Research Laboratory Center for Distributed Quantum Information (CDQI) 
546 |a en 
655 7 |a Article 
773 |t Physical Review Letters