2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89084An effective maximum likelihood method is suggested to characterize the absorption/amplification properties of active optical media through homodyne detection.4 pages, 2 figures. For "Quantum Communication, Measurement and Computing 3", O. Hirota and P. Tombesi, eds., Kluwer Acad./Plenum Publ., New YorkQuantum Physicstext