A compound high-order polarization-independent birefringence filter using Sagnac interferometers

Xiaojun Fang,Helin Ji,Christopher T. Allen,Kenneth Demarest,Lawrence Pelz

IEEE Photonics Technology Letters（1997）

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摘要

Polarization-independent fiber-optic filters are presented that replace the polarizers in traditional birefringence filters with a Sagnac interferometer. The performance of these filters is discussed when Solc and Lyot type birefringence combinations are used. A high-order, compound filter combining these two filters is presented, along with experimental verification.

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关键词

Birefringence,Sagnac interferometers,Optical fiber filters,Transfer functions,Optical fiber polarization,Optical filters,Wavelength division multiplexing,Delay lines,Optical fibers,Bandwidth

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