Toward Single Photon Detection using Nanophotonic Parametric Amplifiers
Elina Sendonaris, Rajveer Nehra, James Williams, Robert M. Gray, Luis M. Ledezma, Ryoto Sekine, Alireza Marandi · 2023
Ultra-intense parametric amplification can be used for amplifying single photons to macroscopic levels. We experimentally detected coherent states with 〈N〉=4.86 with 17% efficiency and 2.5% dark count probability.