Optothermal excitabilities and instabilities in quantum dot lasers

Evgeny A. Viktorov; Thomas Erneux; Boguslaw Tykalewicz; David Goulding; Stephen P. Hegarty; Guillaume Huyet; Bryan Kelleher

doi:10.1117/12.2079843

16 March 2015 Optothermal excitabilities and instabilities in quantum dot lasers

Evgeny A. Viktorov, Thomas Erneux, Boguslaw Tykalewicz, David Goulding, Stephen P. Hegarty, Guillaume Huyet, Bryan Kelleher

Author Affiliations +

Proceedings Volume 9357, Physics and Simulation of Optoelectronic Devices XXIII; 935704 (2015) https://doi.org/10.1117/12.2079843
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

In recent years quantum dot lasers (QDLs) and optically injected QDLs in particular, have provided a new arena for the demonstration of many intriguing non-linear phenomena. We show here that slow optothermal relaxations may significantly affect the output dynamics in QDLs for both the free running and the external injection configurations. In particular, square-wave intensity drop-outs and pulsations can be obtained reminiscent of Fitzhugh-Nagumo excitable dynamics.

Citation Download Citation

Evgeny A. Viktorov, Thomas Erneux, Boguslaw Tykalewicz, David Goulding, Stephen P. Hegarty, Guillaume Huyet, and Bryan Kelleher "Optothermal excitabilities and instabilities in quantum dot lasers", Proc. SPIE 9357, Physics and Simulation of Optoelectronic Devices XXIII, 935704 (16 March 2015); https://doi.org/10.1117/12.2079843

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