Surface waves at the interface between a metal and a photovoltaic-photorefractive crystal
Optik(2014)
摘要
We investigate surface waves at the interface between a metal and a photovoltaic-photorefractive (PP) crystal. These surface waves appear in several forms: delocalized surface waves, shock surface waves, and localized surface waves. Only localized surface waves have limited energy. We demonstrate that the transverse sizes of localized surface waves decrease with an increase in the propagation constant and the amplitudes of localized surface waves increase with the propagation constant. The stability of localized surface waves is investigated numerically and it is found that they are stable.
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关键词
Surface waves,Photorefractive nonlinearity,Nonlinear optics
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