Generation of cylindrical vector beams in a mode-locked fiber laser using a mode-selective coupler

Yu Cai, Jie Wang, Jiaojiao Zhang, Hongdan Wan, Zuxing Zhang*, Lin Zhang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We experimentally obtain cylindrical vector beams (CVBs) in a passively mode-locked fiber laser based on nonlinear polarization rotation. A mode-selective coupler composed of both a single-mode fiber (SMF) and a twomode fiber (TMF) is incorporated into the cavity to act as a mode converter from LP01 mode to LP11 mode with broad spectral bandwidth. CVBs in different mode-locked states including single-pulse, multi-pulse, and bound pulse are obtained, for the first time to our best knowledge. The ultrafast CVBs with different operation states have potential applications in many fields such as laser beam machining, nanoparticle manipulation, and so on.

Original languageEnglish
Article number010602
JournalChinese Optics Letters
Volume16
Issue number1
DOIs
Publication statusPublished - 10 Jan 2018

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