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http://dx.doi.org/10.3807/KJOP.2002.13.3.228

Polarization splitting characteristics of the side-polished fiber coupler with a thin metal interlayer  

김광택 (호남대학교 광전자 공학과)
황보승 (호남대학교 광전자 공학과)
Publication Information
Korean Journal of Optics and Photonics / v.13, no.3, 2002 , pp. 228-234 More about this Journal
Abstract
We report theoretical investigation on the polarization selective coupling characteristics of a side-polished fiber directional coupler with a thin metal interlayer. Based on normal mode theory the coupling properties of the device under various structural conditions are analyzed. It is shown that the coupling strength between TE modes weakens rapidly with increase or metal interlayer thickness, whereas that between TM modes becomes stronger. The design conditions of the polarization splitter using the coupler to achieve high extinction ratio and low insertion loss are presented.
Keywords
side-polished fiber; coupler; polarization; metal film;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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