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首页> 外文期刊>Journal of Lightwave Technology >All-fiber spectral filters with nonperiodic bandpass characteristics and high extinction ratios in the wavelength range 0.8 mu m> lambda >1.6 mu m
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All-fiber spectral filters with nonperiodic bandpass characteristics and high extinction ratios in the wavelength range 0.8 mu m> lambda >1.6 mu m

机译:具有非周期性带通特性和高消光比的全光纤光谱滤光片,波长范围为0.8μm>λ> 1.6μm

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摘要

A simple modification is proposed to the dual-core spectral filter design which extends the range of single wavelength transmission considerably, making the filter characteristic nonperiodic in the wavelength range 0.8 mu m> lambda >1.6 mu m. Also, a spectral filter based on collinear triple-core fiber is proposed which provides a substantially lower sidelobe level than the dual-core filter. Transmission characteristics of the proposed filters are calculated and compared with those of the unmodified dual-core filter. The advantages of the proposed filters, particularly for application in wavelength division multiplexed systems are addressed.
机译:对双核光谱滤波器设计提出了一种简单的修改,该设计大大扩展了单波长传输的范围,从而使滤波器特性在波长范围为0.8μm>λ> 1.6μm时非周期性。而且,提出了基于共线三芯光纤的光谱滤波器,其提供了比双芯滤波器低得多的旁瓣电平。计算所提出的滤波器的传输特性,并将其与未修改的双芯滤波器的传输特性进行比较。解决了所提出的滤波器的优点,特别是在波分复用系统中的应用。

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