Ultrashort Pulse Self-Switching in Coupled-Semiconductor Traveling-Wave Amplifiers

Year: 1991

Authors: Trillo S., Wabnitz S., Soto-Crespo J.M., Wright E.M.

Autors Affiliation: Fondazione Ugo Bordoni, 00142, Rome, Italy; Optical Sciences Center, University of Arizona, 85721, Tucson, A2, United States

Abstract: We study the self-switching of picosecond pulses using an active nonlinear directional coupler formed by two semiconductor laser amplifiers. Self-phase modulation associated with gain saturation permits all-optical control of output pulses emerging from the amplifiers, but switching from the cross state to the bar state is limited to 50% of the output energy. The amplified output pulses may be switched with little temporal distortion, while considerable red shift in the output pulse spectra may occur.


Volume: 27 (3)      Pages from: 410  to: 415

More Information: This work was camed out in the framework of an agreement between the Fondazione Ugo Bordoni and the Instituto Superiore Poste e Telecomunicazioni. The work of E.M. Wright was supported by a joint program of the Air Force Office of Scientific Research and the Army Research Office (JSOP Program). The work of J. M. Soto-Crespo was supported by a grant from the Ministerio de Educacion y Ciencia, Spain. S. Trillo and S. Wabnitz are with the Fondazione Ugo Bordoni, 00142 Rome, Italy. J. M. Soto-Crespo and E. M. Wright are with the Optical Sciences Center, University of Arizona, Tucson, AZ 85721. IEEE Log Number 9143236.
KeyWords: Laser Beams – Propagation in Guides; Lasers, Semiconductor; Optics – Nonlinear; Relaxation Processes; Waveguide Components – Couplers, Active Nonlinear Directional Coupler; All-Optical Switching; Coupled Mode Equations; Self-Phase Modulation; Ultrashort Pulse Self-Switching, Laser Pulses
DOI: 10.1109/3.81339

Citations: 6
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