Anomalous Optical Transmission Phenomena in Photonic Crystals

Abstract:

Anomalous optical transmission phenomena have ever been discovered in various metamaterials, which can be modulated more easily in Photonic crystals (PhCs). Compared with the regular PhCs composed of round rods closely packed in air, the equal frequency contours (EFC) of honeycomb lattice PhCs constituted by trigonal rods are more rounded and more suitable to realize the all-angle left-handed negative refraction (AALNR) in the low band region. Due to the hex EFC distribution, the regular PhC can be applied in the optical collimator design. In the higher band regions, the more complicated refraction behaviors can be excited based on the intricate undulation of one band or the overlap of different bands in PhCs. These unique features will provide us with more understanding of electromagnetic wave propagation in PhCs and give important guideline for the design of new type optical devices.

• Periodical: Applied Mechanics and Materials (Volume 320)
• Pages: 128-132
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.320.128
• Online since: May 2013
• Authors: Guo Yan Dong, Ji Zhou
• Keywords: Electromagnetic Wave Propagation, Negative Refraction, Photonic Crystal (PC)

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