Formation of filaments in expanding beams in semiconductor optical amplifiers

Alan H. Paxton

doi:10.1117/12.150616

13 August 1993 Formation of filaments in expanding beams in semiconductor optical amplifiers

Alan H. Paxton

Proceedings Volume 1868, Laser Resonators and Coherent Optics: Modeling, Technology, and Applications; (1993) https://doi.org/10.1117/12.150616
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

A stability criterion and growth rates are derived for filaments in a semiconductor optical amplifier with a cylindrically expanding beam. The instantaneous growth rates are the same as they would be for a collimated geometry, but the development of the filaments is slowed because the spatial frequency is changing as the beam expands.

Citation Download Citation

Alan H. Paxton "Formation of filaments in expanding beams in semiconductor optical amplifiers", Proc. SPIE 1868, Laser Resonators and Coherent Optics: Modeling, Technology, and Applications, (13 August 1993); https://doi.org/10.1117/12.150616

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