Synchronized network source of indistinguishable photons

Nijil Lal; Ivan A. Burenkov; Ya-Shian Li-Baboud; Jabir M. V.; Paulina S. Kuo; Thomas Gerrits; Oliver Slattery; Sergey V. Polyakov

doi:10.1117/12.3002401

13 March 2024 Synchronized network source of indistinguishable photons

Nijil Lal, Ivan A. Burenkov, Ya-Shian Li-Baboud, Jabir M. V., Paulina S. Kuo, Thomas Gerrits, Oliver Slattery, Sergey V. Polyakov

Author Affiliations +

Proceedings Volume PC12911, Quantum Computing, Communication, and Simulation IV; PC129110T (2024) https://doi.org/10.1117/12.3002401
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

We build a network source of indistinguishable photons, synchronized to an external clock, that could be used as scalable modular unit in an extended quantum network infrastructure. We characterize the indistinguishability and synchronization of this source. The Hong-Ou-Mandel dip shows near unity indistinguishability. Allan deviation analysis shows sub-picosecond jitter when locked to an external clock. The jitter figure is more than 10 times smaller than the pulse duration of 30ps. The source is compatible with many clock recovery systems, including the White Rabbit Precision Time Protocol (WR-PTP). This source enables scalable quantum protocols over multi-node, long-distance optical networks.

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Citation Download Citation

Nijil Lal, Ivan A. Burenkov, Ya-Shian Li-Baboud, Jabir M. V., Paulina S. Kuo, Thomas Gerrits, Oliver Slattery, and Sergey V. Polyakov "Synchronized network source of indistinguishable photons", Proc. SPIE PC12911, Quantum Computing, Communication, and Simulation IV, PC129110T (13 March 2024); https://doi.org/10.1117/12.3002401

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