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- Karlsson, Magnus, 1967, et al.
(författare)
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Dynamics of self-focusing and self-phase modulation in a parabolic index optical fiber.
- 1992
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Ingår i: Optics Letters. - 0146-9592 .- 1539-4794. ; 17:1, s. 22-24
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Tidskriftsartikel (refereegranskat)abstract
- 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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