Abstract
Over the past few years a renewed interest in nonlinear fiber optics has centered on rare-earth-doped fibers because they are believed to provide an important tool for optical communications systems.1-3 These fibers provide high gains requiring moderate pump powers of arbitrary polarization.4 However, there is the problem of amplifying the soliton-like pulse while keeping its smooth, well-behaved shape.
© 1991 Optical Society of America
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