A programmable electro-optic Bell-state analyzer for spectrally distinguishable photons
Navin B. Lingaraju, Hsuan‐Hao Lu, Daniel E. Leaird, Steven B. Estrella, Joseph M. Lukens, Andrew M. Weiner · Conference on Lasers and Electro-Optics · 2021
We demonstrate a Bell-state analyzer that operates directly on frequency mismatch and unambiguously distinguishes two of four Bell states with accuracy exceeding 98%, opening a feasible path to wavelength-multiplexed quantum networks.