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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 2 — Feb. 1, 2012
  • pp: 191–196

Transverse mode competition in gain-guided index antiguided fiber lasers

Xiangru Wang, Ying Chen, William Hageman, Gyu Ug Kim, Martin Richardson, Caidong Xiong, John Ballato, and Michael Bass  »View Author Affiliations


JOSA B, Vol. 29, Issue 2, pp. 191-196 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000191


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Abstract

Single-mode laser action has been reported previously in a gain-guided, index antiguided fiber using a scalable side pumping scheme. In this paper we demonstrate the role of transverse mode competition on laser oscillation in such a fiber laser. It enables single, lowest-order mode lasing with a beam quality of M2<2 when using a combination of large fiber core radius and low output coupler reflectivity previously considered to rule out gain-guided index antiguided lasing with such beam quality. In addition, the larger core radii fibers and low output coupler reflectivity enables improved slope efficiency. Both theoretical analysis and experimental results are presented demonstrating mode competition governed lasing in a gain-guided, index antiguided fiber.

© 2012 Optical Society of America

OCIS Codes
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 2, 2011
Revised Manuscript: November 2, 2011
Manuscript Accepted: November 3, 2011
Published: January 13, 2012

Citation
Xiangru Wang, Ying Chen, William Hageman, Gyu Ug Kim, Martin Richardson, Caidong Xiong, John Ballato, and Michael Bass, "Transverse mode competition in gain-guided index antiguided fiber lasers," J. Opt. Soc. Am. B 29, 191-196 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-2-191


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References

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