Recent progress in terahertz difference-frequency quantum cascade laser sources

K Fujita, S Jung, Y Jiang, JH Kim, A Nakanishi, A Ito… - …, 2018 - degruyter.com
Terahertz quantum cascade laser (QCL) sources based on intra-cavity difference frequency
generation are currently the only electrically pumped monolithic semiconductor light sources …

Recent progress of quantum cascade laser research from 3 to 12 μm at the Center for Quantum Devices

M Razeghi, W Zhou, S Slivken, QY Lu, D Wu… - Applied …, 2017 - opg.optica.org
The quantum cascade laser (QCL) is becoming the leading laser source in the mid-infrared
(mid-IR) range, which contains two atmospheric transmission windows and many molecular …

Mid-infrared frequency comb from a ring quantum cascade laser

B Meng, M Singleton, M Shahmohammadi… - Optica, 2020 - opg.optica.org
The effect of spatial hole burning on mode proliferation has been shown both theoretically
and experimentally to be important for frequency comb operation in quantum cascade lasers …

High-efficiency, high-power mid-infrared quantum cascade lasers

D Botez, JD Kirch, C Boyle, KM Oresick… - Optical Materials …, 2018 - opg.optica.org
The step-taper active-region (STA) design concept is implemented for~ 5.0 μm-emitting
quantum cascade lasers (QCLs) grown by metal-organic chemical vapor deposition …

High-power, continuous-wave, phase-locked quantum cascade laser arrays emitting at 8 µm

W Zhou, QY Lu, DH Wu, S Slivken, M Razeghi - Optics express, 2019 - opg.optica.org
We report a room-temperature eight-element phase-locked quantum cascade laser array
emitting at 8 µm with a high continuous-wave power of 8.2 W and wall plug efficiency of …

High power λ~ 8.5 μm quantum cascade laser grown by MOCVD operating continuous-wave up to 408 K

T Fei, S Zhai, J Zhang, N Zhuo, J Liu… - Journal of …, 2021 - iopscience.iop.org
Robust quantum cascade laser (QCL) enduring high temperature continuous-wave (CW)
operation is of critical importance for some applications. We report on the realization of …

Temperature sensitivity of the electro-optical characteristics for mid-infrared (λ= 3–16 μm)-emitting quantum cascade lasers

D Botez, CC Chang, LJ Mawst - Journal of Physics D: Applied …, 2015 - iopscience.iop.org
The temperature dependences of the threshold current and slope efficiency, as represented
by their respective characteristic temperature coefficients T 0 and T 1, are discussed for …

5.6 μm quantum cascade lasers based on a two-material active region composition with a room temperature wall-plug efficiency exceeding 28%

A Lyakh, M Suttinger, R Go, P Figueiredo… - Applied Physics …, 2016 - pubs.aip.org
accepted 9 September 2016; published online 20 September 2016) 5.6 lm quantum
cascade lasers based on the Al0. 78In0. 22As/In0. 69Ga0. 31As active region composition …

[图书][B] Laser-based optical detection of explosives

PM Pellegrino, EL Holthoff, ME Farrell - 2018 - api.taylorfrancis.com
Laser-Based Optical Detection of Explosives offers a comprehensive review of past, present,
and emerging laser-based methods for the detection of a variety of explosives. This book …

Large area photonic crystal quantum cascade laser with 5 W surface-emitting power

Z Wang, Y Liang, B Meng, YT Sun, G Omanakuttan… - Optics …, 2019 - opg.optica.org
Room temperature surface emission is realized on a large area (1.5 mm× 1.5 mm) photonic
crystal quantum cascade laser (PhC-QCL) driven under pulsed mode, at the wavelength …