Investigations of surface polaritons in the Ag−GaAs system
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We have studied surface polariton (SP) excitation in the air-metal-semiconductor system with diffraction grating (DG) at the interface and its influence on semiconductor photoresponse. It was shown that photoresponse enhanced greatly due to SP excitation. The SP dispersion was studied as a function of DG modulation height, metal thickness and semiconductor permittivity.
KeywordsDispersion Curve Diffractlon Grate Corrugate Surface Back Contact Metal Thickness
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