Analytical Model Analysis of Reflection/Transmission Characteristics of Long-Period Fiber Bragg Grating (LPFBG) by Using Coupled Mode Theory

被引：1

作者：

Amiri I.S. ^{[1
]}

Rashed A.N.Z. ^{[2
]}

Yupapin P. ^{[1
,3
]}

机构：

[1] Computational Optics Research Group, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City

[2] Electronics and Elecrical Communication Engineering, Menoufia University, Menouf, Menoufia

[3] Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City

来源：

Journal of Optical Communications | 2024年 / 45卷

关键词：

coupled-mode theory; fiber Bragg; optimum grating length; reflection coefficient;

D O I：

10.1515/joc-2019-0187

中图分类号：

学科分类号：

摘要：

This study presents an analytical model analysis of reflection/transmission characteristics of long-period fiber Bragg grating (LPFBG) by using coupled mode theory. Reflected signal power is deeply studied against grating length at the optimum operating signal wavelength of 1550nm for the proposed and previous models. Reflectivity and transmission coefficient are also clarified versus operating wavelength for the previous model and proposed a model with a central wavelength of 1550nm, Δn = 0.003 and optimum grating length of 30mm. In the same way, the reflectivity and transmission coefficient are outlined against relative refractive grating difference step at the optimum wavelength of 1550nm and optimum grating length of 30mm. The optimum LPFBG can be achieved with the optimum grating length of 30mm, operating wavelength of 1550nm and relative refractive grating difference step of 0.3%. © 2020 Walter de Gruyter GmbH, Berlin/Boston.

引用

页码：s115 / s121

页数：6

共 31 条

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