TY - RPRT TI - Photon amplification in a two-photon lossless micromaser. AU - H Moya-Cessa AU - PL Knight AU - A Rosenhouse-Dantsker PY - 1994 DO - 10.1103/physreva.50.1814 UR - https://pubmed.ncbi.nlm.nih.gov/9911075/ ID - 9911075 ER -