2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150914When a one-photon state is mixed with a (separate) weak coherent state at a beamsplitter the probability for detecting one photon in each beamsplitter output approaches zero due to destructive interference. We demonstrate this non-classical interference effect using pulse-gated single photons and weak mode-locked laser pulses.6 pages, RevTeX, 4 figuresQuantum Physicstext