Temperature-Independent Narrow-Band Optical Filter by an Athermal Waveguide
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概要
- 論文の詳細を見る
The temperature dependence of the central wavelength of narrow-band filters is a serious problem for the dense WDM systems. In this study, we realized a temperature independent narrow-band filter at 1.3μm wavelength. First, we designed an athermal waveguide in which optical path length is independent of temperature by using a finite element method. Using this athermal waveguide, we designed and fabricated a ring resonator. As a result, we successfully decreased the temperature coefficient of central wavelength to 7×10^<-4> nm/K, which is 7 % of conventional SiO_2 waveguide filters and 0.7 % of conventional semiconductor waveguide filters.
- 社団法人電子情報通信学会の論文
- 1997-05-25
著者
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Tanaka Hiroaki
Department of Cardiovascular Medicine, Tottori University Faculty of Medicine
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Kokubun Y
Dept. Of Electrical And Computer Engineering Faculty Of Engineering Yokohama National University
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Kokubun Y
Yokohama National Univ. Yokohama‐shi Jpn
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KOKUBUN Yasuo
Department of Electrical and Computer Engineering, Graduate School of Engineering, Yokohama National
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Tanaka Hiroaki
Department Of Cardiovascular Medicine Tottori University Fuculty Of Medicine
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Kokubun Yasuo
Department Of Electrical And Computer Engineering Graduate School Of Engineering Yokohama National U
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YONEDA Shigeru
Department of Electrical and Computer Engineering, Faculty of Engineering, Yokohama National Univers
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Yoneda S
Yokohama National Univ. Yokohama‐shi Jpn
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Yoneda Shigeru
Department Of Electrical And Computer Engineering Faculty Of Engineering Yokohama National Universit
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Kokubun Yasuo
Department Of Electrical And Computer Engineering Faculty Of Engineering Yokohama National Universit
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Tanaka Hiroaki
Department Of Electrical And Computer Engineering Faculty Of Engineering Yokohama National Universit
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Tanaka Hiroaki
Department Of Biology Aichi University Of Education
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