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Monte Carlo modeling of the dual-mode regime in quantum-well and quantum-dot semiconductor lasers

Laurent Chusseau 1, 2 Fabrice Philippe 3 Filippo Disanto 3
2 RADIAC - Radiations et composants
IES - Institut d’Electronique et des Systèmes
3 ESCAPE - Systèmes complexes, automates et pavages
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : Monte Carlo markovian models of a dual-mode semiconductor laser with quantum well (QW) or quantum dot (QD) active regions are proposed. Accounting for carriers and photons as particles that may exchange energy in the course of time allows an ab initio description of laser dynamics such as the mode competition and intrinsic laser noise. We used these models to evaluate the stability of the dual-mode regime when laser characteristics are varied: mode gains and losses, non-radiative recombination rates, intraband relaxation time, capture time in QD, transfer of excitation between QD via the wetting layer... As a major result, a possible steady-state dual-mode regime is predicted for specially designed QD semiconductor lasers thereby acting as a CW microwave or terahertz- beating source whereas it does not occur for QW lasers.
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Laurent Chusseau, Fabrice Philippe, Filippo Disanto. Monte Carlo modeling of the dual-mode regime in quantum-well and quantum-dot semiconductor lasers. Optics Express, Optical Society of America - OSA Publishing, 2014, 22 (5), pp.5312-5324. ⟨10.1364/OE.22.005312⟩. ⟨lirmm-01067715⟩



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