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We investigate how accuracy information available in quantum measurement can be used to enhance error correction codes using experimentally obtained state identification data. We test conventional and novel error correction protocols and find a significant reduction of errors in user data transmission. The error reduction and the energy use of error correcting codes compare favorably to that of quantum receivers without error correction. Ordinarily, quantum receivers identify the maximally likely input state out of M possible states. We take advantage of the full vector of Bayesian probabilities available for each act of measurement that supplements the conventional state discrimination.
Nur Fajar Rizqi Annafianto,Ivan Burenkov,Jabir Marakkarakath Vadakkepurayil,Abdella Battou, andSergey Polyakov
"Quantum-measurement-enhanced error correction for quantum receivers", Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC1201513 (9 March 2022); https://doi.org/10.1117/12.2609796
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Nur Fajar Rizqi Annafianto, Ivan Burenkov, Jabir Marakkarakath Vadakkepurayil, Abdella Battou, Sergey Polyakov, "Quantum-measurement-enhanced error correction for quantum receivers," Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC1201513 (9 March 2022); https://doi.org/10.1117/12.2609796