Instabilities for quantum-cascade lasers under self-phase modulation

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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.

Original languageEnglish (US)
Title of host publicationICEOE 2011 - 2011 International Conference on Electronics and Optoelectronics, Proceedings
PagesV3258-V3261
DOIs
StatePublished - Oct 3 2011
Event2011 International Conference on Electronics and Optoelectronics, ICEOE 2011 - Dalian, China
Duration: Jul 29 2011Jul 31 2011

Publication series

NameICEOE 2011 - 2011 International Conference on Electronics and Optoelectronics, Proceedings
Volume3

Other

Other2011 International Conference on Electronics and Optoelectronics, ICEOE 2011
Country/TerritoryChina
CityDalian
Period7/29/117/31/11

Keywords

  • Kerr nonlinearity
  • instability
  • quantum-cascade lasers
  • self-phase modulation

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