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Journal of Nanophotonics

Effect of self-phase modulation on the instabilities of quantum-cascade lasers
Author(s): Jing Bai
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Paper Abstract

Theoretical analysis of lasing instability in quantum-cascade lasers was carried out. A mid-infrared quantum-cascade laser structure with triple resonance levels was chosen as the prototype of the lasing medium with high Kerr nonlinearity from optical transitions. The self-phase modulation effect induced by Kerr nonlinearity was found to possibly change the unstable frequency domain significantly, i.e., not only broaden the unstable domain but also drive it from single-mode to multi-mode. The instability mechanisms of quantum-cascade lasers include one like the coherent multi-mode Rishen-Nummedal-Graham-Haken instability and the spatial-hole-burning-induced single-mode instability.

Paper Details

Date Published: 1 October 2010
PDF: 9 pages
J. Nanophoton. 4(1) 043519 doi: 10.1117/1.3518086
Published in: Journal of Nanophotonics Volume 4, Issue 1
Show Author Affiliations
Jing Bai, Univ. of Minnesota, Duluth (United States)

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