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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 24 — Nov. 26, 2007
  • pp: 15952–15963

SBS gain efficiency measurements and modeling in a 1714 µm2 effective area LP08 higher-order mode optical fiber

M. D. Mermelstein, S. Ramachandran, J. M. Fini, and S. Ghalmi  »View Author Affiliations


Optics Express, Vol. 15, Issue 24, pp. 15952-15963 (2007)
http://dx.doi.org/10.1364/OE.15.015952


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Abstract

The stimulated Brillouin scattering (SBS) gain efficiencies were measured in the LP08 and LP01 modes of a higher-order-mode optical fiber. Gain efficiencies CB of 0.0085 and 0.20 (m-W)-1 were measured for the LP08 and LP01 modes at 1083 nm, respectively. CB is inversely proportional to the optical effective area Aeff and the same core-localized acoustic phonon seeds the SBS process in each case. An acoustic modal analysis and a distributed phenomenological model are presented to facilitate the data analysis and interpretation. The LP08 mode exhibits a threshold power-length product of 2.5 kW-m.

© 2007 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 22, 2007
Revised Manuscript: October 2, 2007
Manuscript Accepted: October 12, 2007
Published: November 16, 2007

Citation
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, 15952-15963 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-24-15952


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References

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  14. Courtesy of James Hou, Sonix Inc., Springfield, VA.
  15. See Ref. [8], the refractive index n=1.48, the Pockel’s coefficient p12=0.27, c is the speed of light in vacuum, λ=1083 nm is the wavelength, ρ=2221 kg/m3 is the density, VS=5661 m/s is the sound speed and the phonon FWHM is 123 MHz for the LP08 mode and 105 MHz for the LP01 mode.
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