High Efficiency One-Way Transmission by One-Dimensional Photonic Crystals with Gratings on One Side |
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Authors: | KANG Xiu-Bao TAN Wei WANG Zhan-Shan WANG Zhi-Guo CHEN Hong |
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Institution: | Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092 |
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Abstract: | We propose a scheme of optical one-way transmission by using one-dimensional photonic crystals (PhCs) with diffraction gratings on one side. The one-way transmission is realized by making the PhC opaque to the zeroth diffraction order and transparent to another propagating (in air) diffraction order. For such a structure with 10-period PhC, 93% of the incident energy passes through when an electromagnetic wave impinges from one side, and the transmittance decreases to the order of 0.001% as the electromagnetic wave illuminates from the other side. |
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Keywords: | 42 79 Dj 42 70 Qs |
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