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Temporally and spectrally multiplexed single photon source using quantum feedback control for scalable photonic quantum technologies

Author(s)
Heuck, Mikkel; Pant, Mihir; Englund, Dirk R
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Creative Commons Attribution 3.0 unported license https://creativecommons.org/licenses/by/3.0/
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Abstract
© 2018 The Author(s). Published by IOP Publishing Ltd on behalf of Deutsche Physikalische Gesellschaft. Current proposals for scalable photonic quantum technologies require on-demand sources of indistinguishable single photons with very high efficiency. Even with recent progress in the field there is still a significant gap between the requirements and state of the art performance. Here, we propose an on-chip source of time-multiplexed, heralded photons. Using quantum feedback control on a photon storage cavity with an optimized driving protocol, we estimate an on-demand efficiency of 99% and unheralded loss of order 1%, assuming high efficiency detectors and intrinsic cavity quality factors of order 108. We further explain how temporal- and spectral-multiplexing can be used in parallel to significantly reduce device requirements if single photon frequency conversion is possible with efficiency in the same range of 99%.
Date issued
2018
URI
https://hdl.handle.net/1721.1/135847
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Journal
New Journal of Physics
Publisher
IOP Publishing

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