High-Efficiency Beam Combination of Continuous-Wave Quantum Cascade Lasers

2015 ◽  
Vol 42 (7) ◽  
pp. 0702005
Author(s):  
吴昊 Wu Hao ◽  
舒世立 Shu Shili ◽  
刘峰奇 Liu Fengqi ◽  
宁永强 Ning Yongqiang ◽  
王立军 Wang Lijun ◽  
...  
Keyword(s):  
High Efficiency ◽  
Continuous Wave ◽  
Quantum Cascade Lasers ◽  
Quantum Cascade ◽  
Beam Combination ◽  
Cascade Lasers

scholarly journals Spectral beam combining of discrete quantum cascade lasers

2021 ◽  
Author(s):  
Zenghui Gu ◽  
Jinchuan Zhang ◽  
Shenqiang Zhai ◽  
Ning Zhuo ◽  
Shuman Liu ◽  
...  
Keyword(s):  
High Efficiency ◽  
Continuous Wave ◽  
Quantum Cascade Lasers ◽  
Quantum Cascade ◽  
Beam Combining ◽  
Continuous Wave Operation ◽  
Combining Efficiency ◽  
Spectral Beam Combining ◽  
Cascade Lasers ◽  
Theoretical Results

Abstract In this paper, we report a spectral beam combining technique based on discrete quantum cascade lasers at l~ 4.8 mm. Good beam qualities of M 2 < 1.3 for both fast and slow axes are obtained. The entire spectrum span is approximately 29.1 cm -1 , which is consistent with the theoretical results of grating equation. Maximum beam combining efficiency of 58.9% with output power exceeding 1 W is demonstrated under continuous wave operation at room temperature. The limit of beam combining efficiency is theoretically investigated. The independent temperature control for the discrete lasers circumvented the issue of thermal crosstalk between the lasers on an array and pave the way to high power and high efficiency laser spectral beam combining.

High efficiency beam combination of 4.6-\mu m quantum cascade lasers

2013 ◽  
Vol 11 (9) ◽  
pp. 091401-91403 ◽  
Author(s):  
Hao Wu Hao Wu ◽  
Lijun Wang Lijun Wang ◽  
Fengqi Liu Fengqi Liu ◽  
Hangyu Peng Hangyu Peng ◽  
Jun Zhang Jun Zhang ◽  
...  
Keyword(s):  
High Efficiency ◽  
Quantum Cascade Lasers ◽  
Quantum Cascade ◽  
Beam Combination ◽  
Cascade Lasers

Room temperature continuous wave operation of λ ∼ 3–3.2 μm quantum cascade lasers

2012 ◽  
Vol 101 (24) ◽  
pp. 241110 ◽  
Author(s):  
N. Bandyopadhyay ◽  
Y. Bai ◽  
S. Tsao ◽  
S. Nida ◽  
S. Slivken ◽  
...  
Keyword(s):  
Room Temperature ◽  
Continuous Wave ◽  
Quantum Cascade Lasers ◽  
Quantum Cascade ◽  
Continuous Wave Operation ◽  
Cascade Lasers

scholarly journals High-power terahertz quantum cascade lasers with ∼0.23 W in continuous wave mode

AIP Advances ◽  
2016 ◽  
Vol 6 (7) ◽  
pp. 075210 ◽  
Author(s):  
Xuemin Wang ◽  
Changle Shen ◽  
Tao Jiang ◽  
Zhiqiang Zhan ◽  
Qinghua Deng ◽  
...  
Keyword(s):  
High Power ◽  
Continuous Wave ◽  
Quantum Cascade Lasers ◽  
Wave Mode ◽  
Quantum Cascade ◽  
Continuous Wave Mode ◽  
Cascade Lasers

Mid-Infrared Quantum Cascade Lasers with 9 Stages for Regrowth-Free Low Voltage Continuous Wave Operation

2021 ◽  
Author(s):  
Dominik Burghart ◽  
Wolfhard Oberhausen ◽  
Kevin Zhang ◽  
Alexander Gardanow ◽  
Jonas Krakofsky ◽  
...  
Keyword(s):  
Continuous Wave ◽  
Low Voltage ◽  
Quantum Cascade Lasers ◽  
Mid Infrared ◽  
Quantum Cascade ◽  
Continuous Wave Operation ◽  
Cascade Lasers

scholarly journals High Efficiency Injectorless Quantum Cascade Lasers Emitting at 8.8 $\mu$m With 2-W Peak Pulsed Power per Facet at Room Temperature

2010 ◽  
Vol 22 (24) ◽  
pp. 1811-1813 ◽  
Author(s):  
H. Li ◽  
Simeon Katz ◽  
Augustinas Vizbaras ◽  
Gehard Boehm ◽  
Markus-Christian Amann
Keyword(s):  
Room Temperature ◽  
High Efficiency ◽  
Quantum Cascade Lasers ◽  
Pulsed Power ◽  
Quantum Cascade ◽  
Cascade Lasers

Room-temperature continuous-wave metal grating distributed feedback quantum cascade lasers

2010 ◽  
Vol 96 (16) ◽  
pp. 161105 ◽  
Author(s):  
M. Carras ◽  
G. Maisons ◽  
B. Simozrag ◽  
M. Garcia ◽  
O. Parillaud ◽  
...  
Keyword(s):  
Room Temperature ◽  
Continuous Wave ◽  
Quantum Cascade Lasers ◽  
Distributed Feedback ◽  
Quantum Cascade ◽  
Metal Grating ◽  
Cascade Lasers

Room-temperature continuous-wave single-mode quantum cascade lasers

2006 ◽  
Author(s):  
Stéphane Blaser ◽  
Lubos Hvozdara ◽  
Yargo Bonetti ◽  
Antoine Muller ◽  
Andreas Bächle ◽  
...  
Keyword(s):  
Room Temperature ◽  
Continuous Wave ◽  
Quantum Cascade Lasers ◽  
Single Mode ◽  
Quantum Cascade ◽  
Cascade Lasers
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