Quantum-Enhanced Two Photon Interactions Beyond the Photon Pairs Regime
T. Dickinson, Ivi Afxenti, Giedre Astrauskaite, Lionel Hirsch, S. Nerenberg, Ottavia Jedrkiewicz, A. Gatti, Daniele Faccio, Marie Caroline Müllenbroich, Matteo Clerici, Lucia Caspani · 2024
Quantum-enhanced two-photon interactions driven by parametric down-conversion (PDC) were mainly investigated in the photon pairs regime. We report the observation of nonclassical effects in the stimulated PDC regime, beyond the standard one-photon-per-mode threshold.