quant-ph
Near-single-photon atto-watt detection at mid-infrared wavelengths by a room-temperature balanced heterodyne set-up
Daniele Palaferri Lorenzo Mancini Chiara Vecchi Leonardo Daga Pierfrancesco Ulpiani Massimiliano Proietti Carlo Liorni Massimiliano Dispenza Francesco Cappelli Paolo De Natale Simone Borri