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。

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The excellent properties of photonic crystal fiber include the endless single mode, large mode area, adjustable dispersion property, high birefringence and nonlinear.

光子晶体光纤的奇异特性包括无休止单模特性、大模面积特性、可调的色散特性、高双折射特性和非线性特性。

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