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Journal Article Thermal Behavior of Arrayed-Waveguide Grating Made of Silica/Polymer Hybrid Waveguide
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Authors
Duk Jun Kim, Jang Uk Shin, Young Tak Han, Sang Ho Park, Yun Jung Park, Hee Kyung Sung, Dong Kun Kim
Issue Date
2004-12
Citation
ETRI Journal, v.26, no.6, pp.661-664
ISSN
1225-6463
Publisher
한국전자통신연구원 (ETRI)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.4218/etrij.04.0204.0024
Project Code
03IB1200, 실리카 AWG 설계기술 및 온도보상기술 개발, Kim Duk Jun
Abstract
The thermal behavior of an arrayed-waveguide grating made of a silica/polymer hybrid waveguide was examined. We experimentally confirmed that the hybrid waveguide is effective to decrease the temperature and polarization dependence of the center wavelength owing to the negative thermo-optic coefficient of the refractive index and extremely low baking temperature of the polymer cladding. However, the detachment of the polymer cladding from the silica core, which took place either during a repeated heat cycle test or during long-term storage in atmosphere, was a serious problem for practical use.
KSP Keywords
Baking temperature, Center wavelength, Heat cycle test, Long-term storage, Polarization dependence, Polymer cladding, Polymer hybrid, Practical use, Silica core, Thermo-optic coefficient, arrayed waveguide grating(AWG)