Application of step-scan FTIR to the research of quantum cascade lasers

Junqi Liu; Xiuzhen Lu; Yu Guo; Xiuqi Huang; Xiaoling Che; Wen Lei; Fengqi Liu

Chinese Optics Letters, Volume. 3, Issue 10, 10603(2005)

Junqi Liu^*, Xiuzhen Lu, Yu Guo, Xiuqi Huang, Xiaoling Che, Wen Lei, and Fengqi Liu

Key Laboratory of Semiconductor Materials Science, Institute of Semiconductor, Chinese Academy of Science, Beijing 100083

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The principle of step-scan Fourier transform infrared (FTIR) spectroscopy is introduced. Double modulation step-scan FTIR technique is used to obtain the quantum cascade laser's stacked emission spectra in the time domain. Optical property and thermal accumulation of devices due to large drive current are analyzed.

Keywords

060.4080 230.3990 300.6360 laser 000.2170 equipment and techniques microstructure devices modulation spectroscopy

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Junqi Liu, Xiuzhen Lu, Yu Guo, Xiuqi Huang, Xiaoling Che, Wen Lei, Fengqi Liu. Application of step-scan FTIR to the research of quantum cascade lasers[J]. Chinese Optics Letters, 2005, 3(10): 10603

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Paper Information

Category: Spectroscopy

Received: Jan. 17, 2005

Accepted: --

Published Online: Jun. 6, 2006

The Author Email: Junqi Liu (jqliu@red.semi.ac.cn)

DOI:

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology