Chin. Phys. Lett.  2006, Vol. 23 Issue (11): 2999-3002    DOI:
Original Articles |
Structure Dependence of Mode Edges in Photonic Crystal Waveguide with Silicon on Insulator
TANG Hai-Xia;ZUO Yu-Hua;YU Jin-Zhong;WANG Qi-Ming
State Key Joint Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
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TANG Hai-Xia, ZUO Yu-Hua, YU Jin-Zhong et al  2006 Chin. Phys. Lett. 23 2999-3002
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Abstract The mode edges of photonic crystal waveguide with triangular lattice based on a silicon-on-insulator slab are investigated by combination of the effective index method and the two-dimensional plane wave expansion method. The variations of waveguide-mode edges with the structure parameters of photonic crystal are deduced. When the ratio of the radius of air holes to the lattice constant, r/Λ, is fixed and the lattice constant of photonic crystal, Λ, increases, the waveguide-mode edges shift to longer wavelengths. When Λ is fixed and r/Λ increases, the waveguide-mode edges shift to shorter wavelengths. Additionally, when r/Λ and Λ are both fixed, the radius of the two-row air holes adjacent to the waveguide increases, the waveguide-mode edges shift to shorter wavelengths.

Keywords: 42.70.Qs      42.82.Et     
Published: 01 November 2006
PACS:  42.70.Qs (Photonic bandgap materials)  
  42.82.Et (Waveguides, couplers, and arrays)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I11/02999
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TANG Hai-Xia
ZUO Yu-Hua
YU Jin-Zhong
WANG Qi-Ming
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