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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 22, Iss. 8 — Aug. 1, 2005
  • pp: 1600–1604

Measurement of the nonlinear coefficient of telecommunication fibers as a function of Er, Al, and Ge doping profiles by using the photorefractive beam-coupling technique

Ferdinand A. Oguama, Anthony M. Johnson, and W. A. Reed  »View Author Affiliations


JOSA B, Vol. 22, Issue 8, pp. 1600-1604 (2005)
http://dx.doi.org/10.1364/JOSAB.22.001600


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Abstract

We have used the photorefractive two-beam-coupling technique to measure the nonlinear coefficient (n_2/A_eff) of several telecommunication fibers and investigated the dependence of n_2/A_eff on Er, Al, and Ge doping profiles in single-mode fibers, where n_2 is the nonlinear refractive index and A_eff is the effective area of the LP_01 mode. A semiempirical relation is derived for predicting the value of n_2/A_eff as a function of Er, Al, and Ge content in optical fibers. We have further examined the wavelength dependence of A_eff in pure and doped silica fibers between 1064 and 1552 nm and found that the A_eff value of doped fibers changes more markedly with wavelength than that of pure-silica fibers.

© 2005 Optical Society of America

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.5330) Nonlinear optics : Photorefractive optics

Citation
Ferdinand A. Oguama, Anthony M. Johnson, and W. A. Reed, "Measurement of the nonlinear coefficient of telecommunication fibers as a function of Er, Al, and Ge doping profiles by using the photorefractive beam-coupling technique," J. Opt. Soc. Am. B 22, 1600-1604 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-8-1600

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