Complete Conversion of Sum-Frequency Generation Enhanced by Controllable Linear Gratings Induced by an Electro-Optic Effect in a Periodic Optical Superlattice
Physical review A, Atomic, molecular, and optical physics/Physical review, A, Atomic, molecular, and optical physics(2003)
摘要
It is always expected that the conversion efficiency is as high as possible for nonlinear interactions at any pump intensity. We present a method of controlling the conversion efficiency of sum-frequency generation in the periodic optical superlattices with different duty cycles, which is based on the controllable linear gratings induced by electro-optic effect here. The calculated results verify that this method is feasible and very efficient in attaining the complete transfer between the pump and sum-frequency waves at any given pump intensity. In addition, we demonstrate the electric-optic control is better than temperature control.
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