Abstract
Soliton waveguiding effects1,2 have been investigated in an active double heterostructure diode structure employed as a nonlinear medium. It was observed that the nonlinearities due to reverse band filling3 in active semiconductor amplifiers give rise to a spectral region where self-focusing takes place for photon energies very slightly below the energy corresponding to the peak of the gain.
© 1998 Optical Society of America
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