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Proceedings Paper

Time resolved FTIR study of spectral tuning and thermal dynamics of mid-IR QCLs
Author(s): Kamil Pierściński; Dorota Pierścińska; Dariusz Szabra; Mirosław Nowakowski; Jacek Wojtas; Janusz Mikołajczyk; Zbigniew Bielecki; Maciej Bugajski
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Paper Abstract

The aim of this paper is to address some of the aspects of thermal management of QCLs. Results include electrical and spectral characterization of the devices. Results show shift of QCL emission mode towards lower wavenumbers during the pulse. Characteristics were registered at different temperatures of operation and driving conditions. Registered shift rates depend on operating temperature, being the highest at room temperature. Based on spectral tuning results, temperature increase rates for different modes of operations were evaluated, delivering information on thermal dynamics of investigated devices.

Paper Details

Date Published: 2 May 2014
PDF: 11 pages
Proc. SPIE 9134, Semiconductor Lasers and Laser Dynamics VI, 91341L (2 May 2014); doi: 10.1117/12.2052206
Show Author Affiliations
Kamil Pierściński, Institute of Electron Technology (Poland)
Dorota Pierścińska, Institute of Electron Technology (Poland)
Dariusz Szabra, Military Univ. of Technology (Poland)
Mirosław Nowakowski, Military Univ. of Technology (Poland)
Jacek Wojtas, Military Univ. of Technology (Poland)
Janusz Mikołajczyk, Military Univ. of Technology (Poland)
Zbigniew Bielecki, Military Univ. of Technology (Poland)
Maciej Bugajski, Institute of Electron Technology (Poland)

Published in SPIE Proceedings Vol. 9134:
Semiconductor Lasers and Laser Dynamics VI
Krassimir Panajotov; Marc Sciamanna; Angel Valle; Rainer Michalzik, Editor(s)

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