Collection Of theses on high power laser and plasma physics, 2005, 3 (1): 143, Published Online: Jun. 1, 2007  

Absolute left-handed behaviors in a triangular elliptical-rod photonic crystal

Author Affiliations
1 Shanghai Institute of Optics and Fine mechanics, Chinese Academy of Science, Shanghai 201800, China
2 School of Computer and Communication, Hunan University, Changsha 410082, China
3 Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China
Abstract
In this paper we theoretically study the left-handed behaviors in a two-dimensional triangular photonic crystal made of elliptical rods in air. An absolute left-handed region is found in the second photonic band by using the plane wave expansion method to analyze the photonic band structure and equifrequency contours. Typical left-handed behaviors such as negative refraction, flat superlensing and plano-concave lensing are demonstrated by the finite-difference time-domain simulations. These behaviors are also compared with the quasi-negative refraction and the resulted focusing effects in a square-lattice two-dimensional photonic crystal.

Zhixiang Tang, Runwu Peng, Dianyuan Fan, Shuangchun Wen, Hao Zhang, Liejia Qian. Absolute left-handed behaviors in a triangular elliptical-rod photonic crystal[J]. Collection Of theses on high power laser and plasma physics, 2005, 3(1): 143.

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