Multi-wavelength erbium-doped fiber laser with tunable orbital angular momentum mode output

被引：8

作者：

Tang, Min ^{[1
]}

Jiang, Youchao ^{[1
]}

Li, Haisu ^{[1
]}

Zhao, Qi ^{[1
]}

Cao, Min ^{[1
]}

Mi, Yuean ^{[1
]}

Wu, Liangying ^{[1
]}

Jian, Wei ^{[1
]}

Ren, Wenhua ^{[1
]}

Ren, Guobin ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Minist Educ, Key Lab All Opt Network & Adv Telecommun Network, Beijing 100044, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2020年 / 37卷 / 03期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

WAVELENGTH; COUPLER; FILTER;

D O I：

10.1364/JOSAB.383889

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and experimentally demonstrate a multi-wavelength erbium-doped fiber laser (EDFL) with orbital angular momentum (OAM) mode output. Employing a Mach-Zehnder filter, a Sagnac loop filter, and a mode-selective coupler, the proposed EDFL achieves single-, dual-, triple- and quadruple-wavelength outputs of OAM modes. The tunable range of the output wavelengths is up to 22.64 nm. Besides, the multi-wavelength laser is able to emit OAM modes with its topological charge of +/- 1. The proposed EDFL has the advantages of wide wave-length tunability, good stability, high signal-to-noise ratio (higher than 34 dB), and high mode purity (up to 95%), which may be applied for mode-division-multiplexing optical communication and optical fiber sensing systems. (C) 2020 Optical Society of America

引用

页码：834 / 839

页数：6

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