Experimental Study of Optimum Coupling Efficiency of Double-Series-Coupled Microring Resonator
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概要
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A double-series-coupled microring resonator can achieve a boxlike spectrum response and is applicable to wavelength selective switches. To realize this, however, it is necessary to optimize the coupling efficiencies between buslines and resonators and between resonators. Thus, we have derived analytical expressions for the optimum coupling efficiencies and have obtained analytically, in our previous work, the critical coupling efficiency. In this study, we experimentally examined the critical condition, and also clarified the correspondence between the critical coupling efficiencies and actual structural parameters of the coupler. From these data, the optimum length of the coupling region was obtained.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-10-15
著者
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Kokubun Yasuo
Department Of Electrical And Computer Engineering Faculty Of Engineering Yokohama National Universit
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Kato Tomoyuki
Department of Electronics and Computer Engineering, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
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Kato Tomoyuki
Department of Electrical and Computer Engineering, Graduate School of Engineering, Yokohama National University, Yokohama 240-8501, Japan
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Goebuchi Yuta
Department of Electronics and Computer Engineering, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
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Goebuchi Yuta
Department of Electrical and Computer Engineering, Graduate School of Engineering, Yokohama National University, Yokohama 240-8501, Japan
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Kokubun Yasuo
Department of Electronics and Computer Engineering, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
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