Optical guidance in cylindrical photonic crystals

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• 作者：Sahar A. El-Naggar ^{sel_naggar@hotmail.com elnaggarsahar@gmail.com}
• 关键词：Optical guidance ; Photonic crystals ; Cylindrical waves
• 刊名：Optik - International Journal for Light and Electron Optics
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：130
• 期：Complete
• 页码：584-588
• 全文大小：518 K
• 卷排序：130

文摘

In this article, we propose a design of one dimensional cylindrical photonic crystal (CPC) that is composed of SiO2 and Si alternating cylindrical layers. The optical properties of the CPC are investigated using the transfer matrix method in the cylindrical coordinate. Numerical results show that the suggested structures possess a photonic band gap in the optical frequency range. For high azimuthal mode number, m > 5, the photonic gap is greatly enhanced and it is robust for both transverse electric and magnetic polarizations. The proposed structure is a good candidate for applications including optical guidance, fiber optics communications among other potential applications.