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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 3 — Feb. 1, 2010
  • pp: 1952–1958

Modeling of inter-modal Brillouin gain in higher-order-mode fibers

Benjamin Ward and Marc Mermelstein  »View Author Affiliations

Optics Express, Vol. 18, Issue 3, pp. 1952-1958 (2010)

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Finite element calculations of inter-modal Brillouin gain between LP0n modes in acoustically-inhomogeneous higher order mode (HOM) fibers are presented. When the pump beam is launched in the LP08 mode, the LP01 mode of the Stokes beam experiences the highest gain, approximately 6.7 dB higher than the peak LP08-LP08 gain. An LP01 Stokes beam experiences successively more Brillouin gain when pumped by higher-order LP0n modes.

© 2010 OSA

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2310) Fiber optics and optical communications : Fiber optics
(140.3510) Lasers and laser optics : Lasers, fiber
(190.2640) Nonlinear optics : Stimulated scattering, modulation, etc.

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 1, 2009
Revised Manuscript: November 12, 2009
Manuscript Accepted: December 17, 2009
Published: January 19, 2010

Benjamin Ward and Marc Mermelstein, "Modeling of inter-modal Brillouin gain in higher-order-mode fibers," Opt. Express 18, 1952-1958 (2010)

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  1. S. Ramachandran, M. F. Yan, J. Jasapara, P. Wisk, S. Ghalmi, E. Monberg, and F. V. Dimarcello, “High-energy (nanojoule) femtosecond pulse delivery with record dispersion higher-order mode fiber,” Opt. Lett. 30(23), 3225–3227 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=ol-30-23-3225 . [CrossRef] [PubMed]
  2. S. Ramachandran, J. W. Nicholson, S. Ghalmi, M. F. Yan, P. Wisk, E. Monberg, and F. V. Dimarcello, “Light propagation with ultralarge modal areas in optical fibers,” Opt. Lett. 31(12), 1797–1799 (2006), http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-12-1797 . [CrossRef] [PubMed]
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  4. J. W. Nicholson, S. Ramachandran, and S. Ghalmi, “A passively-modelocked, Yb-doped, figure-eight, fiber laser utilizing anomalous-dispersion higher-order-mode fiber,” Opt. Express 15(11), 6623–6628 (2007), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-11-6623 . [CrossRef] [PubMed]
  5. S. Ramachandran, M. F. Yan, J. Jasapara, P. Wisk, S. Ghalmi, E. Monberg, and F. V. Dimarcello, “High-energy (nanojoule) femtosecond pulse delivery with record dispersion higher-order mode fiber,” Opt. Lett. 30(23), 3225–3227 (2005), http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-23-3225 . [CrossRef] [PubMed]
  6. M. D. Mermelstein, S. Ramachandran, J. M. Fini, and S. Ghalmi, “SBS gain efficiency measurements and modeling in a 1714 μm2 effective area LP08 higher-order mode optical fiber,” Opt. Express 15(24), 15952–15963 (2007), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-24-15952 . [CrossRef] [PubMed]
  7. N. Lindlein, G. Leuchs, and S. Ramachandran, “Achieving Gaussian outputs from large-mode-area higher-order-mode fibers,” Appl. Opt. 46(22), 5147–5157 (2007), http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-22-5147 . [CrossRef] [PubMed]
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  9. B. Ward and J. Spring, “Finite element analysis of Brillouin gain in SBS-suppressing optical fibers with non-uniform acoustic velocity profiles,” Opt. Express 17(18), 15685–15699 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-18-15685 . [CrossRef] [PubMed]
  10. R. M. Shelby, M. D. Levenson, and P. W. Bayer, “Guided acoustic-wave Brillouin scattering,” Phys. Rev. B 31(8), 5244–5252 (1985). [CrossRef]
  11. M. D. Mermelstein, “SBS threshold measurements and acoustic beam propagation modeling in guiding and anti-guiding single mode optical fibers,” Opt. Express 17(18), 16225–16237 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-18-16225 . [CrossRef] [PubMed]

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