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Main Title: Stabilizing Nanolasers via Polarization Lifetime Tuning
Author(s): Roos, Aycke
Meinecke, Stefan
Lüdge, Kathy
Type: Article
Abstract: We investigate the emission dynamics of mutually coupled nanolasers and predict ways to optimize their stability, i.e., maximize their locking range. We find that tuning the cavity lifetime to the same order of magnitude as the dephasing time of the microscopic polarization yields optimal operation conditions, which allow for wider tuning ranges than usually observed in conventional semiconductor lasers. The lasers are modeled by Maxwell–Bloch type class-C equations. For our analysis, we analytically determine the steady state solutions, analyze the symmetries of the system and numerically characterize the emission dynamics via the underlying bifurcation structure. The polarization lifetime is found to be a crucial parameter, which impacts the observed dynamics in the parameter space spanned by frequency detuning, coupling strength and coupling phase.
Subject(s): nanophotonics
nonlinear phenomena
optical physics
statistical physics
nonlinear dynamics
Issue Date: 17-Sep-2021
Date Available: 10-Dec-2021
Language Code: en
DDC Class: 530 Physik
Sponsor/Funder: DFG, 163436311, SFB 910: Kontrolle selbstorganisierender nichtlinearer Systeme: Theoretische Methoden und Anwendungskonzepte
TU Berlin, Open-Access-Mittel – 2021
Journal Title: Scientific Reports
Publisher: Springer Nature
Volume: 11
Article Number: 18558
Publisher DOI: 10.1038/s41598-021-97757-8
EISSN: 2045-2322
TU Affiliation(s): Fak. 2 Mathematik und Naturwissenschaften » Inst. Theoretische Physik » AG Nichtlineare Laserdynamik
Appears in Collections:Technische Universität Berlin » Publications

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