Thirdly, the equations of NALM power transmission are amended including the nonlinear polarization evolution (NPE) induced by nonlinear birefringence at high input power.
分析了强光条件下光纤非线性双折射及引起的偏振演化（NPE）效应，据此对NALM环功率传输特性基本表达式进行了修正。
The fiber cavity with a NALM has a tendency to provide pulse shaping effect with nonlinearity increasing in the NALM, and the nanosecond square pulse is generated by the pulse shaping effect.
数值计算结果表明，当NALM内的非线性增大时，呈现出对脉冲整形的效应，从而导致纳秒方波的产生。
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