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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 24 — Dec. 15, 2010
  • pp: 4124–4126

Beam-quality factor of single-mode gain-guided fiber lasers

Krishna Mohan Gundu, Parisa Gandomkar Yarandi, and Arash Mafi  »View Author Affiliations


Optics Letters, Vol. 35, Issue 24, pp. 4124-4126 (2010)
http://dx.doi.org/10.1364/OL.35.004124


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Abstract

The beam-quality factor M 2 for the fundamental LP01 mode of a step-index fiber is calculated in the presence of gain, in a closed form, as a function of the complex generalized V number. It is shown that the M 2 value of a single-mode gain-guided fiber laser can be arbitrarily large. The results are important for the interpretation of the beam-quality measurements in recent experiments on single-mode gain-guided fiber lasers.

© 2010 Optical Society of America

OCIS Codes
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3295) Lasers and laser optics : Laser beam characterization

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 20, 2010
Revised Manuscript: November 2, 2010
Manuscript Accepted: November 5, 2010
Published: December 9, 2010

Citation
Krishna Mohan Gundu, Parisa Gandomkar Yarandi, and Arash Mafi, "Beam-quality factor of single-mode gain-guided fiber lasers," Opt. Lett. 35, 4124-4126 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-24-4124


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