Recovering the Quantum Correlations of Biphotons in Noisy Environments via Coherent Energy Redistribution
Benjamin Crockett, Nicola Montaut, James van Howe, Piotr Roztocki, Yang Liu, Robin Helsten, Wei Zhao, Roberto Morandotti, José Azaña · 2023
We propose a denoising scheme for quantum states allowing for an increase of the coincidence-to-accidental ratio (CAR) under different pumping and noise injection settings. The scheme allows for enhanced correlations while maintaining most coincidence counts.