Frequency bands of negative refraction in finite one-dimensional photonic crystals |
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Authors: | Chen Yuan-Yuan Huang Zhao-Ming Shi Jie-Long Li Chun-Fang and Wang Qi |
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Institution: | Department of Physics, Shanghai University, Shanghai 200444, China; Department of Communication Engineering, Shanghai University, Shanghai 200072, China |
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Abstract: | We have discussed theoretically the negative refraction in finite
one-dimensional (1D) photonic crystals (PCs) composed of alternative
layers with high index contrast. The frequency bands of negative
refraction are obtained with the help of the photonic band structure,
the group velocity and the power transmittance, which are all
obtained in analytical expression. There shows negative transverse
position shift at the endface when negative refraction occurs, which
is analysed in detail. |
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Keywords: | photonic crystal negative refraction group velocity |
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