Unidirectional Light Beam Splitter Based on the Square-Lattice Photonic Crystal Heterojunctions

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概要

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• The unidirectional light transmission characteristics of the two-dimensional square-lattice photonic crystal heterostructure consisting of air holes immersed in silicon are numerically studied by the finite-difference time-domain method. Through interlacing the air holes with different radiuses on the interface vertical to the light transmission direction, a new kind of unidirectional beam splitter is obtained. This kind of beam splitting device works well with a tolerance within 10% degree of radial disorder or 5% degree of positional disorder.

• 2012-11-25

著者

• Wang Wenzhong

  School Of Materials And Metallurgy Northeastern University

• Feng Shuai

  School of Science, Minzu University of China, Bejiing 100081, China

• Wang Yiquan

  School of Science, Minzu University of China, Bejiing 100081, China

• Wang Wenzhong

  School of Science, Minzu University of China, Bejiing 100081, China

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• Unidirectional Light Beam Splitter Based on the Square-Lattice Photonic Crystal Heterojunctions

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