Design of Photonic Crystal Directional Coupler with High Extinction Ratio and Small Coupling Length
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概要
- 論文の詳細を見る
As one of the key component of photonic crystal optical circuit devices, the directional coupler is investigated. We explain the reason the directional coupler consisting of an ordinary symmetric parallel waveguide cannot have a high extinction ratio and a small coupling length simultaneously. To realize both characteristics simultaneously, we propose a novel directional coupler structure. By numerical calculation, we show the possibility of a directional coupler with a high extinction ratio ($-24$ dB) and a small coupling length (18a).
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-04-15
著者
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Komori Kazuhiro
Research Institute Of Photonics National Institute Of Advanced Industrial Science And Technology (ai
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Yamamoto Noritsugu
Research Institute Of Photonics National Institute Of Advanced Industrial Science And Technology (ai
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Watanabe Yoshinori
Research Institute Of Photonics National Institute Of Advanced Industrial Science And Technology (ai
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Watanabe Yoshinori
Research Institute of Photonics, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
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Yamamoto Noritsugu
Research Institute of Photonics, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
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Komori Kazuhiro
Research Institute of Photonics, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
関連論文
- Analysis of air waveguides in three-dimensional photonic crystal
- A design of the photonic crystal directional coupler with a high extinction ratio and a short complete coupling length
- Short Photonic-Crystal Directional Coupling Optical Switch of Extended Optical Bandwidth Using Flat Dispersion
- Design of Photonic Crystal Directional Coupler with High Extinction Ratio and Small Coupling Length
- Photonic Band Engineering of Coupled Waveguide Using Geometrical Modulation