Bistable solitons in inhomogeneously doubly doped fibers.
Bistable soliton (for which the nonlinear propagation constant shift is a double-valued function of energy) solutions to the pulse evolution equation for a doubly but inhomogeneously doped (with one of the dopants) fiber are obtained numerically. Their physical characteristics are obtained and studied. It is shown that the theoretical prediction can be experimentally verified by a pair of dopants from an already available lot of dopants.
Kumar
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Kurz
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