ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Influence of disorder and deformation on the optical properties of two-dimensional photonic crystal waveguide |
Sun Wen-Qian (孙文倩), Liu Yu-Min (刘玉敏), Wang Dong-Lin (王东林), Han Li-Hong (韩利红), Guo Xuan (郭璇), Yu Zhong-Yuan (俞重远) |
State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), Beijing 100876, China |
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Abstract We investigate the effect of disorder and mechanical deformation on two- dimensional photonic crystal waveguide. The dispersion characteristics and transmittance of the waveguide are studied by using the finite element method. Results show that the geometric change of the dielectric material perpendicular to the light propagation direction has a larger influence on the waveguide characteristics than that parallel to the light propagation direction. Mechanical deformation has an obvious influence on the performance of the waveguide. In particular, longitudinal deformed structure exhibits distinct optical characteristics from the ideal one. Studies on this work will provide useful guideline to the fabrications and practical applications based on photonic crystal waveguides.
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Received: 07 April 2012
Revised: 07 June 2012
Accepted manuscript online:
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PACS:
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42.25.Dd
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(Wave propagation in random media)
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42.70.Qs
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(Photonic bandgap materials)
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42.82.Et
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(Waveguides, couplers, and arrays)
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78.20.Bh
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(Theory, models, and numerical simulation)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 60908028, 60971068, 10979065, and 61275201), the Fundamental Research Funds for the Central Universities of China (Grant No. 2011RC0402 and 2012RC0402), and the Program for New Century Excellent Talents in University of China (Grant No. NCET-10-0261). |
Corresponding Authors:
Liu Yu-Min
E-mail: microliuyumin@hotmail.com
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Cite this article:
Sun Wen-Qian (孙文倩), Liu Yu-Min (刘玉敏), Wang Dong-Lin (王东林), Han Li-Hong (韩利红), Guo Xuan (郭璇), Yu Zhong-Yuan (俞重远) Influence of disorder and deformation on the optical properties of two-dimensional photonic crystal waveguide 2013 Chin. Phys. B 22 014201
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