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A simple gold-coated microstructure fiber polarization filter in two communication windows

机译:两个通信窗口中的一个简单的镀金微结构光纤偏振滤波器

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摘要

A polarization filter is designed at two communication windows of 1310 and 1550 nm based on microstructured optical fiber. The model has four large diameter air holes and two gold-coated air holes. The influence of the geometrical parameters of the photonic crystal fiber on the performance of the polarization filter is analyzed by the finite element method. The numerical simulation shows that when the fiber length is 300 mu m, the corresponding extinction ratio is 209.7 dB and 179.8 dB, the bandwidth of extinction ratio (ER) better than 20 dB is 150 nm and 350 nm at the communication wavelength of 1310 nm and 1550 nm.
机译:基于微结构光纤,在1310和1550 nm的两个通信窗口中设计了一个偏振滤波器。该模型有四个大直径气孔和两个镀金气孔。通过有限元方法分析了光子晶体光纤的几何参数对偏振滤光片性能的影响。数值模拟表明,当光纤长度为300μm时,对应的消光比为209.7 dB和179.8 dB,在通信波长1310 nm时,优于20 dB的消光比(ER)带宽为150 nm和350 nm。和1550 nm。

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