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

Journals >Chinese Optics Letters >Volume 3 >Issue 10 >Page 10603 > Article

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

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

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

Author Affiliations

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

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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 Copy Citation Text

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Abstract

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

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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