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Optics Letters

Optics Letters


  • Vol. 17, Iss. 1 — Jan. 1, 1992
  • pp: 22–24

Dynamics of self-focusing and self-phase modulation in a parabolic index optical fiber

M. Karlsson, D. Anderson, and M. Desaix  »View Author Affiliations

Optics Letters, Vol. 17, Issue 1, pp. 22-24 (1992)

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The dynamics that result from the combined effects of spatial diffraction, nonlinearity, and a parabolic graded index for wave propagation in optical fibers are presented. An approximate analytical solution of the nonlinear Schrodinger equation in a graded-index fiber is obtained by using a variational approach. Particular emphasis is put on the variation of both the pulse width and the longitudinal phase delay with the distance of propagation along the fiber.

© 1992 Optical Society of America

Original Manuscript: July 10, 1991
Published: January 1, 1992

M. Karlsson, D. Anderson, and M. Desaix, "Dynamics of self-focusing and self-phase modulation in a parabolic index optical fiber," Opt. Lett. 17, 22-24 (1992)

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  11. Note that we use slightly different definitions of pulse width and nonlinear refractive index n2 compared with those in Ref. 4: a=a′/2, and n2 = n2′/2, where the variables with primes refer to those in Ref. 4.

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