Abstract
The pulse broadening by group velocity dispersion can be balanced by the narrowing effects of self-phase modulation to form temporal solitons.[1] The identical nonlinear Schrodinger equation describes the one-transverse-dimension balancing of diffraction and Kerr-medium nonlinear refraction. Some evidence for spatial solitons has been published for planar waveguides of CS2 and glass, both in Kerr (n2) media.[2,3] Here we report soliton formation in a semiconductor gain medium which is amplifying rather than lossy, is accumulative rather than instantaneous, and is near instead of far from resonance.
© 1992 IQEC
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