We propose a fundamentally new method of heterodyne detection of FIR signals using quantum interference between one- and two-photon absorption. We suggest different implementations of the scheme using multiple QW detectors and evaluate its sensitivity.
© 1998 Optical Society of America
J. B. Khurgin, B. Saif, and B. Seery, " Heterodyning scheme employing quantum interference," in Radiative Processes and Dephasing in Semiconductors, D. Citrin, ed., Vol. 18 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), paper RTuD6.
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