Reverse-Taper Mid-Infrared Quantum Cascade Lasers for Coherent Power Scaling

We present a reverse-taper quantum cascade laser (QCL) emitting at 4.6 μm, a novel-geometry device that can scale the output power while maintaining good beam quality. Buried-ridge waveguides with tapered and straight regions were formed by ICP etching and HVPE regrowth – the t...

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Bibliographic Details
Main Authors: Jae Ha Ryu, Benjamin Knipfer, Jeremy D. Kirch, Robert A. Marsland, Dan Botez, Tom Earles, Chris Galstad, Morgan Turville-Heitz, Chris Sigler, Axel Stromberg, Yan-Ting Sun, Sebastian Lourdudoss, Luke J. Mawst
Format: Artigo
Language:Inglês
Published: IEEE 2022-01-01
Series:IEEE Photonics Journal
Subjects:
Quantum cascade lasers
beam steering
semiconductor growth
Online Access:https://ieeexplore.ieee.org/document/9745531/
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