SEARCH Articles Figures Tables Four-wave mixing, heterodyne-detected Heterodyne Heterodyne detection method Homodyne Versus Heterodyne Detection Schemes Infrared heterodyne detection Multifrequency Single-Photon Selective Heterodyne Radiometry for Detection of Remote Species Multiple quantum heterodyne detection Optical heterodyne detection Spectroscopy heterodyne detection technique Three-Frequency Single-Photon Heterodyne Detection Using a Nonlinear Device Three-frequency heterodyne detection Two-Frequency Multiphoton Heterodyne Detection