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Proceedings Paper

Negative refraction in a two-dimensional hexagonal lattice annular photonic crystal
Author(s): Feng Xia; Maojin Yun; Meiling Liu; Jian Liang
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Paper Abstract

Negative refraction has been the subject of considerable interest and it may provide the possibility of a variety of novel applications. Recently, it has been shown that photonic crystals (PhCs) composed of synthetic periodic dielectric materials can exhibit an extraordinarily high nonlinear dispersion which causes effects such as negative refraction and self-focusing properties that are determined by the characteristics of their photonic band structures and equal frequency contours (EFCs). In this paper we have theoretically studied the negative refraction in two-dimensional (2D) hexagonal lattices annular photonic crystal (APC) which composed of a dielectric-rod and a circular-air-hole array in a hexagonal lattice. By using Plane Wave Expansion (PWE) method and Finite-Difference Time-Domain (FDTD) method we have studied the photonic band structure, equal frequency contours and the electric field distribution of such photonic crystal. Numerical simulations show that negative refraction and superlense imaging can be realized in the designed annular photonic crystal.

Paper Details

Date Published: 15 October 2012
PDF: 6 pages
Proc. SPIE 8497, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VI, 849716 (15 October 2012); doi: 10.1117/12.928561
Show Author Affiliations
Feng Xia, Qingdao Univ. (China)
Maojin Yun, Qingdao Univ. (China)
Meiling Liu, Qingdao Univ. (China)
Jian Liang, Qingdao Univ. (China)

Published in SPIE Proceedings Vol. 8497:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VI
Shizhuo Yin; Ruyan Guo, Editor(s)

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