Domain formation and self-sustained oscillations in quantum cascade lasers
Almqvist, Tim; Winge, David O.; Dupont, Emmanuel; Wacker, Andreas (2019). Domain formation and self-sustained oscillations in quantum cascade lasers. European Physical Journal B, 92, (4)
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Published
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English
Authors:
Almqvist, Tim
;
Winge, David O.
;
Dupont, Emmanuel
;
Wacker, Andreas
Department:
Synchrotron Radiation Research
Mathematical Physics
NanoLund: Centre for Nanoscience
Project:
Quantum Cascade Lasers beyond general paradigms
Abstract:
Abstract: We study oscillations in quantum cascade lasers due to traveling electric field domains, which are observed both in simulations and experiments. These oscillations occur in a range of negative differential resistance and we clarify the condition determining whether the boundary between domains of different electric field can become stationary. Graphical abstract: [Figure not available: see fulltext.].
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