Photonic crystal beam splitters

研究成果: 雜誌貢獻期刊論文同行評審

62 引文 斯高帕斯(Scopus)

摘要

This work studies two-dimensional photonic crystal beam splitters with two input ports and two output ports. The beam splitter structure consists of two orthogonally crossed line defects and one point defect in square-lattice photonic crystals. The point defect is positioned at the intersection of the line defects to divide the input power into output ports. If the position and the size of the point defect are varied, the power of two output ports can be identical. The beam splitters can be used in photonic crystal Mach-Zehnder interferometers or switches. The simulation results show that a large bandwidth of the extinction ratio larger than 20 dB can be obtained while two beams are interfered in the beam splitters. This enables photonic crystal beam splitters to be used in fiber optic communication systems.

原文???core.languages.en_GB???
頁(從 - 到)6187-6190
頁數4
期刊Applied Optics
43
發行號33
DOIs
出版狀態已出版 - 20 11月 2004

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