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题名: Optical interleaver based on directional coupler in a 2D photonic crystal slab with triangular lattice of air holes
作者: Quan, YJ (Quan, Yu-Jun);  Han, PD (Han, Pei-De);  Lu, XD (Lu, Xiao-Dong);  Ye, ZC (Ye, Zhi-Cheng);  Wu, L (Wu, Li)
发表日期: 2007
摘要: A small-size optical interleaver based on directional coupler in a 2D photonic crystal slab with triangular lattice of air holes is designed and theoretically simulated using plane wave expansion and finite-difference time-domain method. The interleaver is formed by two parallel and identical photonic crystal slab waveguides which are separated by three rows of air holes. The coupling region is designed below the light line to avoid vertical radiation. The simulated results show that the coupling coefficient is increased and the final length of the interleaver is decreased by enlarging the radius of the middle row of air holes. The transmission properties are analyzed after the interleaver's structure is optimized, and around 100 GHz channel spacing can be got when the length of the interleaver is chosen as 40.5 mu m. (c) 2006 Elsevier B.V. All rights reserved.
刊名: OPTICS COMMUNICATIONS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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Quan, YJ (Quan, Yu-Jun); Han, PD (Han, Pei-De); Lu, XD (Lu, Xiao-Dong); Ye, ZC (Ye, Zhi-Cheng); Wu, L (Wu, Li) .Optical interleaver based on directional coupler in a 2D photonic crystal slab with triangular lattice of air holes ,OPTICS COMMUNICATIONS,FEB 15 2007,270 (2):203-206
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