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Tunneling-induced high efficiency four-wave mixing in an asymmetric quantum wells (1212.5699v1)
Published 22 Dec 2012 in quant-ph, cond-mat.other, and physics.optics
Abstract: An asymmetric double quantum wells (QWs) structure with resonant tunneling is suggested to achieve high efficient four wave mixing (FWM). We analytically demonstrate that the resonant tunneling can induce high efficient mixing wave in such a semiconductor structure with a low light pump wave. In particular, the FWM conversion efficiency can be enhanced dramatically in the vicinity of the center frequency. This interesting scheme may be used to generate coherent long-wavelength radiation in solid-state system.
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