一种新型高双折射光子晶体光纤特性分析

Study on Optical Communications(2014)

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Abstract
文章设计了一种新型高双折射PCF(光子晶体光纤),并对其双折射、色散、非线性、约束损耗以及模场等特性进行了数值分析。数值模拟结果表明:优化光纤结构参数后的 PCF 在1.55μm 波长处的双折射高达2.36×10-2,负色散值高达-7740 ps/(km·nm),模场面积高达2.17μm2,非线性系数为56 km-1·W-1,基模约束损耗为0.10 dB/km,其色散斜率在-21.9~23.5 ps/(km·nm2)范围内波动。这种光纤将会在光纤激光器、光纤放大器、光滤波器和传感系统中具有广泛的应用。
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Key words
PCF,birefringence,dispersion,nonlinearity
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