Resonant tunneling effect in one-dimensional twinned lattice photonic crystal under total reflection conditions |
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Authors: | Xi Feng Hu Li Tang Yuxia |
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Institution: | 1.Chongqing Engineering Laboratory for Detection, Control, and Integrated Systems,Chongqing Technology and Business University,Chongqing,China;2.School of Computer Science and Information Engineering,Chongqing Technology and Business University,Chongqing,China |
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Abstract: | Under total reflection conditions, it typically seems as though light waves will be reflected completely on the interface; in actuality, the waves can penetrate the medium as evanescent waves. In this paper, we present a twinned lattice photonic crystal with a unit cell composed of AB layers and their mirror. We assume that the refractive index n 0 of the input and output end is equal to n B and larger than n A . We first demonstrate the dependence of band structure on the incidence angle and normalized wavelength, in which the resonant tunneling bands are exposed. We then draw a comparison of bands between ABBA and AB. To conclude, we discuss the resonant tunneling effect in the twinned lattice photonic crystal under the total reflection conditions. As incidence angle increases, the resonant tunneling band ultimately vanishes completely. |
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