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12 March 2024 Continuous-wave lasing from InAs nanowires at mid-infrared wavelengths
Steffen Meder, Benjamin Haubmann, Fabio Del Giudice, Paul Schmiedeke, Jona Zöllner, Jonathan Finley, Gregor Koblmüller
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Proceedings Volume PC12880, Physics and Simulation of Optoelectronic Devices XXXII; PC1288009 (2024) https://doi.org/10.1117/12.3001111
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Continuous-wave (cw) operation of integrated nanoscale lasers is a key ingredient for on-chip optical processing schemes in Si photonic circuits. Here, we demonstrate cw-lasing from individual InAs nanowires at mid-infrared wavelengths (2.4-2.7 µm) without any external cavity for mode confinement. Using finite difference time domain (FDTD) modelling of the threshold gain, optimal single Fabry-Perot nanowire laser geometries with diameter > 800 nm and lengths of 10-30 µm are realized by site-selective growth methods. Corresponding nanowires exhibit cw-lasing with thresholds around 10-30 kW/cm2 at lasing emission up to 70K.
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Steffen Meder, Benjamin Haubmann, Fabio Del Giudice, Paul Schmiedeke, Jona Zöllner, Jonathan Finley, and Gregor Koblmüller "Continuous-wave lasing from InAs nanowires at mid-infrared wavelengths", Proc. SPIE PC12880, Physics and Simulation of Optoelectronic Devices XXXII, PC1288009 (12 March 2024); https://doi.org/10.1117/12.3001111
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KEYWORDS
Nanowires
Emission wavelengths
Mid-IR
Indium arsenide
Continuous wave operation
Beam diameter
Design and modelling
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