A 1.0 μm Cylindrical Vector Beam Fiber Ring Laser Based on A Mode Selective Coupler

Jie Wang, Hongdan Wan, Han Cao, Yu Cai, Bing Sun, Zuxing Zhang, Lin Zhang

Research output: Contribution to journalArticlepeer-review


We propose and demonstrate a continuous-wave all-fiber ring laser generating cylindrical vector beams (CVBs) using a MSC as transverse mode converter and mode splitter. The MSC is fabricated by a novel method free of pre-tapering, achieving LP11 mode with a high purity of > 96% near the wavelength of 1064 nm. The CVB fiber laser operates at a center wavelength of 1053.9 nm, with a 3 dB linewidth of less than 0.04 nm and a signal-to-background ratio of > 60 dB. The laser slope efficiency is > 9%. The radially and azimuthally polarized beams can be switched by adjusting the polarization controllers in the fiber ring cavity, with a high mode purity measured to be > 96%.
Original languageEnglish
Pages (from-to)1-1
JournalIEEE Photonics Technology Letters
Early online date25 Jan 2018
Publication statusPublished - 25 Jan 2018

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  • Cylindrical vector beams
  • optical fiber lasers
  • mode converter


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