特别是在一定的触发光能和偏置电场阈值条件下，光导开关的非线性工作模式倍受人们的关注。

Especially, the PCSS's are paid much more attention to because they can operate in a nonlinear mode when the thresholds of activating optical energy and bias field.

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然而，非线性工作模式下的辐射现象还未见有报道，用来解释非线性模式下的光激发电荷畴理论还需要进一步的完善。

However, the radiation at nonlinear mode has not been reported, the theory of optically activated charge domain, what is used to explain the nonlinear mode, needs further improvement.

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