Jabir Marakkarakath Vadakkepurayil,1 Nur Fajar R. Annafianto,1 Ivan A. Burenkov,1,2 Abdella Battou,1 Sergey V. Polyakov1,3
1National Institute of Standards and Technology (United States) 2Joint Quantum Institute, Univ. of Maryland (United States) 3Univ. of Maryland (United States)
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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.
Jabir Marakkarakath Vadakkepurayil,Nur Fajar R. Annafianto,Ivan A. Burenkov,Abdella Battou, andSergey 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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Jabir Marakkarakath Vadakkepurayil, Nur Fajar R. Annafianto, Ivan A. Burenkov, Abdella Battou, 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