Abstract

We present experimental results showing the existence of bright temporal solitonlike pulses in a self-defocusing material with normal dispersion. Operating close to the fundamental absorption edge of an AlGaAs quantum-well waveguide, we observed narrowing of both the spectrum and the temporal width of the pulses. Two-photon absorption also influenced the propagation of these pulses, and its effects are described.

© 1997 Optical Society of America

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