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题名: Integration of a photonic crystal polarization beam splitter and waveguide bend
作者: Zheng WH;  Xing MX;  Ren G;  Johnson SG;  Zhou WJ;  Chen W;  Chen LH
发表日期: 2009
摘要: In this work, we present the design of an integrated photonic-crystal polarization beam splitter (PC-PBS) and a low-loss photonic-crystal 60 waveguide bend. Firstly, the modal properties of the PC-PBS and the mechanism of the low-loss waveguide bend are investigated by the two-dimensional finite-difference time-domain (FDTD) method, and then the integration of the two devices is studied. It shows that, although the individual devices perform well separately, the performance of the integrated circuit is poor due to the multi-mode property of the PC-PBS. By introducing deformed airhole structures, a single-mode PC-PBS is proposed, which significantly enhance the performance of the circuit with the extinction ratios remaining above 20dB for both transverse-electric (TE) and transverse-magnetic (TM) polarizations. Both the specific result and the general idea of integration design are promising in the photonic crystal integrated circuits in the future. (C) 2009 Optical Society of America
KOS主题词: Design;  Mode;  FABRICATION
刊名: OPTICS EXPRESS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Zheng WH ; Xing MX ; Ren G ; Johnson SG ; Zhou WJ ; Chen W ; Chen LH .Integration of a photonic crystal polarization beam splitter and waveguide bend ,OPTICS EXPRESS,2009 ,17(10):8657-8668
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