GaAsSb-(InAlGa)As core-multishell nanowire lasers on silicon

Paul Schmiedeke; Cem Doganlar; Marc-Aurel Meinhold-Heerlein; Andreas Thurn; Jonathan Finley; Gregor Koblmüller

doi:10.1117/12.3001120

12 March 2024 GaAsSb-(InAlGa)As core-multishell nanowire lasers on silicon

Paul Schmiedeke, Cem Doganlar, Marc-Aurel Meinhold-Heerlein, Andreas Thurn, Jonathan Finley, Gregor Koblmüller

Author Affiliations +

Proceedings Volume PC12880, Physics and Simulation of Optoelectronic Devices XXXII; PC128800A (2024) https://doi.org/10.1117/12.3001120
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

We demonstrate a new generation of composition-tuned, ternary GaAsSb nanowire lasers on silicon with emission wavelengths tuned to below the Si bandgap. By solving previous limitations in the growth of III-As-Sb based nanowires, resonator cavities with extended lengths > 7 µm and high Sb-content (~30%) are realized as a base for bulk-type or quantum-well based nanowire lasers. Bulk GaAsSb nanowire lasers with high radiative efficiency and low threshold are enabled by use of lattice-matched InAlGaAs surface passivation layers. Coaxial InGaAs multi-quantum well (MQW) active regions grown on GaAsSb nanowire templates open further scope of tailoring material gain and lasing wavelength.

Conference Presentation

Citation Download Citation

Paul Schmiedeke, Cem Doganlar, Marc-Aurel Meinhold-Heerlein, Andreas Thurn, Jonathan Finley, and Gregor Koblmüller "GaAsSb-(InAlGa)As core-multishell nanowire lasers on silicon", Proc. SPIE PC12880, Physics and Simulation of Optoelectronic Devices XXXII, PC128800A (12 March 2024); https://doi.org/10.1117/12.3001120

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