Room-temperature electro-optic up-conversion via internal photoemission

Russell, K. J.; Appelbaum, Ian; Temkin, H.; Perry, C. H.; Narayanamurti, V.; Hanson, M. P.; Gossard, A. C.
May 2003
Applied Physics Letters;5/5/2003, Vol. 82 Issue 18, p2960
Academic Journal
We describe the fabrication and operation of a device which performs linear optical up-conversion at room temperature. The mechanism for up-conversion is based on internal photoemission from a Schottky contact. We then describe the voltage dependence of this device and interpret it in terms of total energy conservation. Although an AlGaAs/GaAs system is employed here, the functionality is not material-specific and therefore should be widely applicable to different materials systems, such as GaN/InGaN.


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