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Thermo-Optically Tunable Filter Using Evanescent Field Coupling Between Side-Polished Polarization Maintaining Fiber and Polymer Planar Waveguide  

윤대성 (호남대학교 광전자공학과)
김광택 (호남대학교 광전자공학과)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.41, no.2, 2004 , pp. 33-38 More about this Journal
Abstract
We have demonstrated a tunable Inter based on an asymmetric directional coupler made of a side-polished polarization maintaining fiber coupled with a polymer planar waveguide. The thermo-optic effects of the polymer planar waveguide induced by a micro-strip heater placed on the top layer of the device leads to shift of resonance wavelength of the coupler. The fabricated device exhibited wide tunable range exceeding 230 nm with 720 ㎽ of applied electrical power.
Keywords
tunanle filter; coupler; side-polished polarization maintaining fiber; thermo-optic effect; polymer;
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