An injection-locked single-longitudinal-mode fiber ring laser with cylindrical vector beam emission

Hongdan Wan*, Hongye Li, Changle Wang, Bing Sun, Zuxing Zhang, Wei Wei, Lin Zhang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We demonstrate a fiber ring laser with narrow bandwidth single-longitudinal-mode cylindrical vector beam (CVB) output at C-band wavelength range for the first time to the best of our knowledge. A step index two-mode fiber Bragg grating is used as a transverse mode selector for CVB generation, while both the injection-locking technique and narrow bandwidth of the fiber Bragg grating lead to single-longitudinal-mode operation. The 3-dB bandwidth of the laser output is measured to be <0.01 nm near a single wavelength of 1551.4 nm with a signal-to-background ratio of >60 dB. Mode distribution and optical spectra of few-mode fibers with periodic modulated refractive index profile, namely the few-mode fiber Bragg gratings with bent radius, are investigated theoretically and experimentally, which provide a comprehensive exploration of CVB's generation.

Original languageEnglish
Article number7100608
Number of pages8
JournalIEEE Photonics Journal
Volume9
Issue number1
Early online date16 Jan 2017
DOIs
Publication statusPublished - Feb 2017

Fingerprint

Ring lasers
ring lasers
Fiber Bragg gratings
Fiber lasers
Laser modes
fiber lasers
injection
Bandwidth
Bragg gratings
fibers
bandwidth
Refractive index
Wavelength
Fibers
Lasers
selectors
injection locking
C band
laser outputs
optical spectrum

Bibliographical note

© 2016 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.

Keywords

  • fiber gratings
  • Fiber laser
  • Optical fiber devices

Cite this

Wan, Hongdan ; Li, Hongye ; Wang, Changle ; Sun, Bing ; Zhang, Zuxing ; Wei, Wei ; Zhang, Lin. / An injection-locked single-longitudinal-mode fiber ring laser with cylindrical vector beam emission. In: IEEE Photonics Journal. 2017 ; Vol. 9, No. 1.
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An injection-locked single-longitudinal-mode fiber ring laser with cylindrical vector beam emission. / Wan, Hongdan; Li, Hongye; Wang, Changle; Sun, Bing; Zhang, Zuxing; Wei, Wei; Zhang, Lin.

In: IEEE Photonics Journal, Vol. 9, No. 1, 7100608, 02.2017.

Research output: Contribution to journalArticle

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AU - Zhang, Lin

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