By using coupled-mode equation, the formula for conversion efficiency of Cerenkov second harmonic generation (CSHG) is deduced in this paper.
从耦合模方程出发，推导了切伦科夫倍频转换效率公式，并得出该效率主要是由交叠积分决定的结论；
In Cerenkov second harmonic generation (CSHG) scheme, the phase matching condition is satisfied automatically, but the conversion efficiency is low.
切伦科夫方案中，相位匹配条件可以自动满足，但是倍频效率较低。
In chapter four, the optimization of quasi-phase matched CSHG is demonstrated. Parametric amplification in the Cerenkov-idler configuration is modeled and analyzed theoretically.
第四章论述了准相位匹配切伦科夫倍频的优化，理论分析和模拟了准相位匹配切伦科夫型参量放大。
In chapter four, the optimization of quasi-phase matched CSHG is demonstrated. Parametric amplification in the Cerenkov-idler configuration is modeled and analyzed theoretically.
第四章论述了准相位匹配切伦科夫倍频的优化，理论分析和模拟了准相位匹配切伦科夫型参量放大。
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