Wavelength-switchable all-fiber laser-emitting radially polarized beams

被引：5

作者：

Shi, Fan ^{[1
]}

Yao, Han ^{[1
]}

Huang, Yiping ^{[1
]}

Li, Wenlin ^{[1
]}

Wang, Teng ^{[1
]}

Zeng, Xianglong ^{[1
]}

机构：

[1] Shanghai Univ, Shanghai Inst Adv Commun & Data Sci, Key Lab Specialty Fiber Opt & Opt Access Network, Joint Int Res Lab Specialty Fiber Opt & Adv Commu, Shanghai, Peoples R China

来源：

APPLIED OPTICS | 2020年 / 59卷 / 04期

基金：

中国国家自然科学基金;

关键词：

CARBON NANOTUBES; VECTOR BEAMS; GENERATION; LIGHT; OPERATION; EFFICIENT; EMISSION; COUPLER; SPHERE;

D O I：

10.1364/AO.382496

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present two kinds of mode-selective-coupler-based ultrafast radially polarized lasers delivering switchable wavelengths and pulsewidths. One is a linear-cavity fiber laser mode locked in the 1.5 mu m region, which produces not only wavelength-agile radially polarized pulses in the spatial domain, but also switchable femtosecond and picosecond pulses in the temporal domain. The other one is a nonlinear-polarization-rotation-technique-assisted passively mode-locked fiber ring laser in the 1.0 mu m region, presenting an ideal broadband spectral switching with picosecond radially polarized pulses output. The presented fiber lasers offer a type of compact laser source, enabling a flexible option for radially polarized beams in spectral and temporal domains. (C) 2020 Optical Society of America.

引用

页码：1206 / 1211

页数：6

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