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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 9 — May. 1, 2007
  • pp: 1047–1049

Passive combination of multiple beams in an optical fiber via stimulated Brillouin scattering

Kirk C. Brown, Timothy H. Russell, Thomas G. Alley, and Won B. Roh  »View Author Affiliations


Optics Letters, Vol. 32, Issue 9, pp. 1047-1049 (2007)
http://dx.doi.org/10.1364/OL.32.001047


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Abstract

We demonstrate passive combination of multiple beams in an optical fiber via stimulated Brillouin scattering (SBS). Four off-axis beams are combined in a long multimode optical fiber using a novel all-optical mount. The combined beam has the high spatial coherence properties of the LP 01 mode owing to the beam cleanup properties of SBS. The threshold for SBS when off-axis pumps are used is shown to be a factor of 13 times higher than for on-axis pump beams. We propose this method would improve the brightness of an array of fiber amplifiers.

© 2007 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 19, 2006
Revised Manuscript: January 31, 2007
Manuscript Accepted: February 1, 2007
Published: April 3, 2007

Citation
Kirk C. Brown, Timothy H. Russell, Thomas G. Alley, and Won B. Roh, "Passive combination of multiple beams in an optical fiber via stimulated Brillouin scattering," Opt. Lett. 32, 1047-1049 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-9-1047


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References

  1. T. H. Russell and W. B. Roh, Opt. Express 8, 4 (2001). [CrossRef]
  2. B. C. Rogers, T. H. Russell, and W. B. Roh, Opt. Lett. 24, 1124 (1999). [CrossRef]
  3. B. W. Grime, N. B. Terry, T. H. Russell, and W. B. Roh, SSDLTR Tech. Digest 17 (2004).
  4. L. Lombard, A. Brignon, J.-P. Huignard, E. Lallier, and P. Georges, Opt. Lett. 31, 158 (2006). [CrossRef] [PubMed]
  5. H. Bruesselbach, in Conference on Lasers and Electro-Optics (CLEO), Vol. 11 of 1993 OSA Technical Digest Series (Optical Society of America, 1993), pp. 424-426.
  6. T. H. Russell, 'Laser intensity scaling through stimulated scattering in optical fibers,' Ph. D. dissertation (Air Force Institute of Technology, 2001).
  7. G. P. Agrawal, Nonlinear Fiber Optics (Academic, 2001).

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