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Proceedings Paper

Increasing stability by two-state lasing in quantum-dot lasers with optical injection
Author(s): Stefan Meinecke; Benjamin Lingnau; Kathy Lüdge
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Paper Abstract

A quantum dot (QD) laser capable of two-state lasing in certain parameter regions is studied under external optical injection. Our modeling approach is based on microscopically based rate equations, which include carrier dependent index shifts obtained from a full Bloch-equation approach. Our results show an increase of the dynamical stability of the two-state QD laser under optical perturbations if compared to a single-state QD laser, e.g. to a QD laser with high losses in the excited state. Chaotic dynamics predicted for single-state QD lasers under strong and detuned injection completely vanishes if excited state lasing is possible. This suggests a general trend for semiconductor lasers to yield an improved stability against optical perturbations with more dynamical degrees of freedom.

Paper Details

Date Published: 22 February 2017
PDF: 11 pages
Proc. SPIE 10098, Physics and Simulation of Optoelectronic Devices XXV, 100980J (22 February 2017); doi: 10.1117/12.2251791
Show Author Affiliations
Stefan Meinecke, Technische Univ. Berlin (Germany)
Benjamin Lingnau, Technische Univ. Berlin (Germany)
Kathy Lüdge, Technische Univ. Berlin (Germany)
Univ. of Auckland (New Zealand)


Published in SPIE Proceedings Vol. 10098:
Physics and Simulation of Optoelectronic Devices XXV
Bernd Witzigmann; Marek Osiński; Yasuhiko Arakawa, Editor(s)

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