Polarization Independent Three-Element Solc-Type Birefringent Optical Fiber Loop Filters |
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| Authors: | Noriaki Onodera Kenichiro Tsuji Takuya Watanabe Masatoshi Saruwatari |
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| Institution: | (1) Department of Communications Engineering, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan |
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| Abstract: | Polarization-independent birefringent optical fiber loop filters with narrowband transmission characteristics are studied. Using Jones matrix analysis, a three-element fiber loop filter structure, performing as a Solc-type narrow band filter is designed and fabricated. By selecting proper splice angles between these three elements as well as their birefringence, a narrowband, polarization-independent periodic optical filter with 0.63-nm transmission bandwith and 2.71-nm transmission period is realized |
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| Keywords: | optical filter wavelength division multiplexing fiber loop filter birefringent filter Solc filter Sagnac loop mirror |
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