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Title: Long wavelength (λ > 13 μm) quantum cascade laser based on diagonal transition and three-phonon-resonance design
Authors: Jin, Yuhao
Li, Jinghao
Chua, Yun Da
Tan, Kian Hua
Wicaksono, Satrio
Sirtori, Carlo
Yoon, Soon Fatt
Wang, Qi Jie
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Source: Jin, Y., Li, J., Chua, Y. D., Tan, K. H., Wicaksono, S., Sirtori, C., Yoon, S. F. & Wang, Q. J. (2021). Long wavelength (λ > 13 μm) quantum cascade laser based on diagonal transition and three-phonon-resonance design. Applied Physics Letters, 119(13), 131105-.
Project: NRF-CRP18-2017-02 
Journal: Applied Physics Letters
Abstract: An InP-based quantum cascade laser structure emitting at a wavelength of 13.6 μm is proposed and demonstrated. The active region is based on a diagonal transition and three-phonon-resonance design. A 5 mm long, 30 μm wide high-reflection coated device with a double channel ridge waveguide structure has shown a threshold current density of 3.0 kA/cm2, a dynamic range of 4.4 kA/cm2, a peak output power close to 1 W, and an average optical power up to 11.7 mW at 3% duty cycle, at 293 K. The laser shows a characteristic temperature T0 of 314 K and T1 of 336 K over a temperature range from 283 to 313 K.
ISSN: 0003-6951
DOI: 10.1063/5.0066474
Rights: © 2021 Author(s). All rights reserved. This paper was published by AIP Publishing in Applied Physics Letters and is made available with permission of Author(s).
Fulltext Permission: embargo_20221005
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
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