Temperature dependences of spectral and power characteristics of quantum cascade lasers with frequencies from 2.3 to 4.1 THz

D.A. Belov,A.V. Ikonnikov,S. S. Pushkarev,R.R. Galiev,D.S. Ponomarev, D. R. Khokhlov,S.V. Morozov,V.I. Gavrilenko,R.A. Khabibullin

2022 International Conference Laser Optics (ICLO)（2022）

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摘要

We conduct research of quantum cascade lasers (QCLs) emitting at 2.3, 3.2 and 4.1 THz. Measuring the output power, we consider the potential mechanisms of QCL temperature degradation. Additionally, we present the spectra of the lasers measured in a wide temperature range 5 -120 K.

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quantum cascade lasers,thz

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