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9 March 2023 Towards a scalable network source of single photons
Nijil Lal, Ivan A. Burenkov, Ya-Shian Li-Baboud, Paulina S. Kuo, Thomas Gerrits, Oliver Slattery, Sergey V. Polyakov
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Proceedings Volume PC12446, Quantum Computing, Communication, and Simulation III; PC124460T (2023) https://doi.org/10.1117/12.2650314
Event: SPIE Quantum West, 2023, San Francisco, California, United States
Abstract
Practical quantum networks require transform-limited single photon sources that can be synchronized with high timing accuracy over long distances. We build a source of heralded single photons at telecom C-band using a Ti-Sapphire mode locked laser that can be synchronized to an external frequency reference. We target 10 ps single photon pulses so that the independent sources should be carrier frequency matched to within 10 GHz and experience ~3 ps shot-to-shot jitter to independently produce indistinguishable photons. In this progress report, we demonstrate the picosecond single-photon source and discuss high-accuracy precision time protocol (HA-PTP) and pulsed laser-based network synchronization options.
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Nijil Lal, Ivan A. Burenkov, Ya-Shian Li-Baboud, Paulina S. Kuo, Thomas Gerrits, Oliver Slattery, and Sergey V. Polyakov "Towards a scalable network source of single photons", Proc. SPIE PC12446, Quantum Computing, Communication, and Simulation III, PC124460T (9 March 2023); https://doi.org/10.1117/12.2650314
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KEYWORDS
Single photon
Photons
Picosecond phenomena
Clocks
Pulsed laser operation
Quantum networks
Optical filters
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