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Proceedings Paper

Effect of scatterers shape between coupling channels on the photonic crystal coupler
Author(s): Chunying Guan; Libo Yuan
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Paper Abstract

In the present paper, the two-dimension photonic crystal (PC) polarization coupler is mainly studied. The PC waveguide coupler with a single row of dielectric rods in the interaction region is composed of square-arrayed dielectric pillars in air. The photonic band gap maps are calculated by using plane wave expansion (PWE) method and the effects of the geometrical parameters of the scatterers between two coupling channels on the property of the PC couplers are analyzed by using the finite-difference time-domain (FDTD) method. The simulation results show that the coupling property is sensitive to the shape variation of scatterers. The shape variation of scatterers between the two coupling channels will reduce coupling length greatly.

Paper Details

Date Published: 4 January 2008
PDF: 7 pages
Proc. SPIE 6831, Nanophotonics, Nanostructure, and Nanometrology II, 683110 (4 January 2008); doi: 10.1117/12.753692
Show Author Affiliations
Chunying Guan, Harbin Engineering Univ. (China)
Libo Yuan, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 6831:
Nanophotonics, Nanostructure, and Nanometrology II
Xing Zhu; Stephen Y. Chou; Yasuhiko Arakawa, Editor(s)

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