Fabrication of 2.5 THz quantum cascade laser

Wang Xuemin; Shen Changle; Jiang Tao; Zhan Zhiqiang; Li Weihua; Peng Liping; Deng Qinghua; Fan Long; Wang Xinming; Yan Dawei; Zhao Yan; Wu Weidong; Tang Yongjian

doi:10.11884/HPLPB201527.120102

Volume 27 Issue 12

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(12): 120102

Liu Xudong, Yang Yi, Bai Li, et al. Preparation and properties of AlMg alloy film by thermal evaporation for Z-pinch[J]. High Power Laser and Particle Beams, 2016, 28: 022002. doi: 10.11884/HPLPB201628.022002

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Wang Xuemin, Shen Changle, Jiang Tao, et al. Fabrication of 2.5 THz quantum cascade laser[J]. High Power Laser and Particle Beams, 2015, 27: 120102. doi: 10.11884/HPLPB201527.120102

Citation:

Wang Xuemin, Shen Changle, Jiang Tao, et al. Fabrication of 2.5 THz quantum cascade laser[J]. High Power Laser and Particle Beams, 2015, 27: 120102. doi: 10.11884/HPLPB201527.120102

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Fabrication of 2.5 THz quantum cascade laser

doi: 10.11884/HPLPB201527.120102

Wang Xuemin^{1,2
,
,},
Shen Changle^1,2,
Jiang Tao^1,2,
Zhan Zhiqiang^1,2,
Li Weihua^1,2,
Peng Liping^1,2,
Deng Qinghua^1,2,
Fan Long^1,2,
Wang Xinming^1,2,
Yan Dawei^1,2,
Zhao Yan^1,2,
Wu Weidong^1,2,
Tang Yongjian^1,2

1.
Science and Technology on Plasma Physics Laboratory,Research Center of Laser Fusion,CAEP,P.O.Box 919-987-7,Mianyang 621900,China;
2.
Research Center of Mircro-system and Terahertz,China Academy of Engineering Physics,Mianyang 621900,China

Received Date: 2015-11-16
Rev Recd Date: 2015-11-26
Publish Date: 2015-11-26

Abstract

Abstract

Based on bound-to-continuum intersubband transition, the 2.5 THz quantum cascade laser with a continuous-wave (CW) output power of several mW is achieved. The lasing frequency of the device can be tuned by changing the applied current. The device shows a CW output power more than 6 mW, with a threshold current density of 120 A/cm2, and a lasing work temperature up to 60 K, and it is a quasi-Gaussian intensity distribution after beam reformation by using Si lens.
- terahertz,
- quantum cascade laser,
- continuous-wave,
- intersubband,
- Gaussian distribution

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