本文利用宏观非线性极化模型，分析了相干驱动内腔二次谐波过程中光场的动力学演化行为。
Using the macroscopic nonlinear polarization model, we discussed in detail the dynamic evolution behaviors of opt ioal field in coherent driving intraoavity second-harmonic generation (ISHG).
与不存有微波场的原子系统获得的非线性极化率相比，本方案获得的非线性极化率可以提高许多倍。
With a microwave field, nonlinear susceptibility can be enhanced. Nonlinearity can also be ulteriorly enhanced by controlling the coupling field under the optimal intensity of the microwave field.
而且，在选择最佳微波场强度条件下，通过控制耦合场的大小，非线性极化率可以被进一步地提高。
The physical mechanism of the obtained giant nonlinear susceptibility is mainly based on interactions between microwave field and coupling fields.
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