Multimode regimes and instabilities in quantum-cascade lasers

Franz X. Kärtner; Ariel Gordon

doi:10.1117/12.768142

29 January 2008 Multimode regimes and instabilities in quantum-cascade lasers

Franz X. Kärtner, Ariel Gordon

Proceedings Volume 6909, Novel In-Plane Semiconductor Lasers VII; 690914 (2008) https://doi.org/10.1117/12.768142
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

A theoretical study of multimode operation regimes in quantum cascade lasers (QCLs) is presented. It is shown that the fast gain recovery of QCLs promotes two multimode regimes: One is spatial hole burning (SHB), and the other one is related to the Risken-Nummedal-Graham-Haken (RNGH) instability predicted in the sixties. A model that can account for coherent phenomena, a saturable absorber and SHB is developed and studied in detail both analytically and numerically.

Citation Download Citation

Franz X. Kärtner and Ariel Gordon "Multimode regimes and instabilities in quantum-cascade lasers", Proc. SPIE 6909, Novel In-Plane Semiconductor Lasers VII, 690914 (29 January 2008); https://doi.org/10.1117/12.768142

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