Two-Photon Emission from Semiconductors

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dc.creatorHayat, Alex
dc.creatorGinzburg, Pavel
dc.creatorOrenstein, Meir
dc.date2007-01-16
dc.date2007-10-25
dc.date.accessioned2026-07-07T08:38:31Z
dc.date.available2026-07-07T08:38:31Z
dc.descriptionWe report the first experimental observations of two-photon emission from semiconductors, to the best of our knowledge, and develop a corresponding theory for the room-temperature process. Spontaneous two-photon emission is demonstrated in optically-pumped bulk GaAs and in electrically-driven GaInP/AlGaInP quantum wells. Singly-stimulated two-photon emission measurements demonstrate the theoretically predicted two-photon optical gain in semiconductors - a necessary ingredient for any realizations of future two-photon semiconductor lasers. Photon-coincidence experiment validates the simultaneity of the electrically-driven GaInP/AlGaInP two-photon emission, limited only by detector's temporal resolution.
dc.descriptionCoincidence experiment results added, QW stimulated TPE added, stimulation power TPE dependence shown, measured spectra recalibrated, quantitative theory presented
dc.identifierhttps://arxiv.org/abs/quant-ph/0701114
dc.identifierhttp://arxiv.org/abs/quant-ph/0701114
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/140759
dc.subjectQuantum Physics
dc.titleTwo-Photon Emission from Semiconductors
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