High Efficiency One-Way Transmission by One-Dimensional Photonic Crystals with Gratings on One Side
High Efficiency One-Way Transmission by One-Dimensional Photonic Crystals with Gratings on One Side
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DOI：
10.1088/0256-307x/27/7/074204
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发表时间：
2010-07
影响因子：
3.5
通讯作者：
Kang Xiu-Bao;T. Wei;Wang Zhanshan;W. Zhiguo;Chen Hong
中科院分区：
文献类型：
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作者：
Kang Xiu-Bao;T. Wei;Wang Zhanshan;W. Zhiguo;Chen Hong
提出了一种利用一侧带有衍射光栅的一维光子晶体实现光单向传输的方案。通过使PhC对第零衍射级不透明并且对另一传播（在空气中）衍射级透明来实现单向传输。对于具有10周期PhC的这种结构，当电磁波从一侧照射时，93%的入射能量通过，并且当电磁波从另一侧照射时，透射率降低到0.001%的量级。
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.