论文信息 - Dynamics of self-focusing and self-phase modulation in a parabolic index optical fiber.

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

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 Schrödinger 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.

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