Significantly Enhanced Coupling Efficiency in 2D Photonic Crystal Waveguides by Using Cabin-Side-Like Tapered Structures at Two Terminals
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概要
- 論文の詳細を見る
We report that using a cabin-side-like tapered structure, containing only one pair of defects, can markedly enhance the coupling efficiency at the entrance and exit terminals of planar photonic crystal waveguides (PPCWGs). The PPCWGs are composed of circular dielectric rods set in 2D triangular lattices. By means of simulations, we find that the transmission efficiency reaches up to 90%. Moreover, the suggested structures possess other advantages, such as the shortness of the taper, the ease of fabrication, and its low cost. It is anticipated that the proposed structures might be feasibly be applicable to the integrated optical circuits compatibility.
- Japan Society of Applied Physicsの論文
- 2004-08-15
著者
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Gu Ben-yuan
Institute For Physics Chinese Academy Of Sciences
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Yang Tzong-jer
Department Of Electro-physics National Chiao-tung University
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Chau Yuan-fong
Department Of Electronic Engineering Ching Yun University
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Chau Yuan-Fong
Department of Electrophysics, National Chiao Tung University, Hsinchu 30050, Taiwan, Republic of China
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Gu Ben-Yuan
Institute of Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing 100080, China
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Yang Tzong-Jer
Department of Electrophysics, National Chiao Tung University, Hsinchu 30050, Taiwan, Republic of China
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