Polarization-independent narrow bandpass filter and narrow transmission-angle filter based on photonic heterostructures composed of single-negative materials |
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| Authors: | Yun-tuan Fang and Zhong-cheng Liang |
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| Affiliation: | (1) Department of Electrical & Electronic Engineering, Toyohashi University of Technology, 1-1 Tempaku, Toyohashi, Aichi, Japan;(2) Present address: Ioffe Physico-Technical Institute, 194021 St. Petersburg, Russia |
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| Abstract: | We propose a photonic heterostructure consisting of two substructures composed of single-negative materials. Calculating the transmission spectra, we find that only the electromagnetic wave within a narrow bandpass and a narrow range of incident directions can be transmitted through this structure. Such structure can be used as a polarization-independent frequency filter integrated with a direction filter. |
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