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9 March 2023 A versatile telecom quantum receiver for energy and bandwidth efficient communication
Jabir Marakkarakath Vadakkepurayil, Nur Fajar R. Annafianto, Ivan A. Burenkov, Abdella Battou, Sergey V. Polyakov
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Proceedings Volume PC12446, Quantum Computing, Communication, and Simulation III; PC124460S (2023) https://doi.org/10.1117/12.2650016
Event: SPIE Quantum West, 2023, San Francisco, California, United States
Abstract
Quantum enabled optical receivers can achieve a symbol error rate below the shot noise limit and have been extensively studied at visible wavelengths. Yet, the practical use of a quantum receiver requires the implementation at telecom wavelengths. Here we report a successful implementation of a telecom-enabled, versatile time resolving quantum receiver testbed that enables a range of modulation schemes and supports long communication alphabets. We achieved the record sensitivity for a legacy 4-symbol modulation and implemented other modulations and longer alphabets for the first time by combining a highly efficient single photon detector with the time-resolved receiver design.
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Jabir Marakkarakath Vadakkepurayil, Nur Fajar R. Annafianto, Ivan A. Burenkov, Abdella Battou, and Sergey V. Polyakov "A versatile telecom quantum receiver for energy and bandwidth efficient communication", Proc. SPIE PC12446, Quantum Computing, Communication, and Simulation III, PC124460S (9 March 2023); https://doi.org/10.1117/12.2650016
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KEYWORDS
Receivers
Modulation
Quantum communications
Quantum efficiency
Phase shift keying
Field programmable gate arrays
Single photon detectors
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