Abstract
평판 도파로에서 pump가 체렌코프 복사(Cerenkov radiation)의 파동인 경우, pump, signal, 그리고 idler 사이의 매개적 상호작용에 의한 signal의 증폭현상을 해석하였다. 결합모드 이론을 사용하여 pump의 고갈(depletion)을 무시할 수 있는 경우, 수치적 계산으로 쉽게 풀 수 있는 1차 결합모드 미분방정식을 유도하였다. 이 미분방정식의 근사해와 수치적 계산 예를 통해서 signal이 매개적으로 증폭될 수 있음을 보였다. We have analyzed the amplification of a signal wave in the optical parametric interactions of the pump, signal, and idler waves in planar waveguides, with the pump wave being Cerenkov radiation. Based on the coupled-mode theory, we have derived the first-order coupled-mode differential equations for no pump depletion. The equations can easily be solved numerically. The approximate analytical and numerical solutions of the equations show that the signal wave can be amplified parametrically.
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