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

Wang, Jie, Wan, Hongdan, Cao, Han, Cai, Yu, Sun, Bing, Zhang, Zuxing and Zhang, Lin (2018). A 1.0 μm Cylindrical Vector Beam Fiber Ring Laser Based on A Mode Selective Coupler. IEEE Photonics Technology Letters , p. 1.

Abstract

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%.

Publication DOI: https://doi.org/10.1109/LPT.2018.2797990
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Additional Information: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords: Cylindrical vector beams,optical fiber lasers,mode converter
Full Text Link: http://ieeexplo ... cument/8269252/
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Published Date: 2018-01-25
Authors: Wang, Jie
Wan, Hongdan
Cao, Han
Cai, Yu
Sun, Bing
Zhang, Zuxing
Zhang, Lin ( 0000-0002-1691-5577)

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