Minimization of Fresnel reflection by antireflection fiber Bragg grating inscribed at the fiber ends

Tzong Yow Tsai, Zhi Cheng Lee, Hong Xi Tsao, Shih Ting Lin

研究成果: Article

3 引文 斯高帕斯(Scopus)

摘要

In this paper, we proposed and numerically demonstrated a novel method to effectively minimize Fresnel reflection from a perpendicularly cleaved fiber using a uniform fiber Bragg grating (FBG) inscribed at the fiber end. By matching the reflectivity of an in-line FBG with the reflectivity caused by the glass-air boundary, the FBG acts as a virtual boundary, which provides destructive interference and suppresses Fresnel reflection. We achieved an anti-reflection FBG with a return loss of more than 80 dB by ensuring that the product of the index contrast and grating period number is almost constant, with a value of 0.2695.

原文English
頁(從 - 到)11510-11515
頁數6
期刊Optics Express
27
發行號8
DOIs
出版狀態Published - 2019 四月 15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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