Approaching Helstrom Bound Using Single-shot Quantum Measurement Confidences
Ivan A. Burenkov, N. Fajar R. Annafianto, M. V. Jabir, Alexandra Semionov, Abdella Battou, Sergey V. Polyakov · Conference on Lasers and Electro-Optics · 2022
We demonstrate the first quantum measurement providing s ingle-shot self-confidence for each received symbol. Further, we use measured confidence data to implement error correction codes reducing error rates by more than five orders of magnitude for reliable communication.