Extinction Ratio Adjustment for the Coupler-Type Wavelength Demultiplexer Made by K^+-lon Diffused Waveguides (Special Issue on Electromagnetic Theory)
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概要
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In this paper, a novel coupler-type wavelength demultiplexer composed of the K^+-ion diffused waveguides, which has an adjustment function for optimizing the diffusion depth, is proposed to achieve reliably the high extinction ratio. The optimization in the diffusion depth is made by repeating the K^+-ion diffusion and extinction-ratio measurement alternatively, and the high extinction ratios more than 20 dB are measured reliably at both operation wavelengths of 0.6328 and 0.83 μm. Experimental results on the polarization dependence in the extinction-ratio adjustment are also reported.
- 社団法人電子情報通信学会の論文
- 1994-11-25
著者
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Kishioka Kiyoshi
The Departmemt Of Applied Electronics
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Kishioka Kiyoshi
The Department Of Applied Electronics Osaka Electro-communication University
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Yamamoto Yoshinori
the Department of Applied Electronics, Osaka Electro-Communication University
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Yamamoto Yoshinori
The Department Of Applied Electronics Osaka Electro-communication University
関連論文
- Extinction Ratio Adjustment for the Coupler-Type Wavelength Demultiplexer Made by K^+-lon Diffused Waveguides (Special Issue on Electromagnetic Theory)
- Optical Filter Utilizing the Directional Coupler Composed of the K^+- and Ag^+-ion Exchange Waveguides (Special Issue on Electromagnetic Theory : Foundations and Applications)