Zhuang Fei et al 2002 Chinese Phys. Lett. 19 73 doi:10.1088/0256-307X/19/1/323
Zhuang Fei1,3, Wu Liang1, Xiao San-Shui1 and He Sai-Ling1,2
Show affiliationsThe plane-wave expansion method is used to calculate the band structure of a two-dimensional photonic crystal formed by a triangular lattice of anisotropic elliptic cylinders. After optimizing the parameters of the elliptic cylinders, we find a large bandgap (about 0.0449 ωe, ωe = 2πc/a) at high frequencies beside a coexisting large absolute gap (about 0.035 ωe) at low frequencies. Numerical results show that the optimal design is very stable under any parameter perturbation.
Issue 1 (January 2002)
Received 6 August 2001
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