Title :
GaAs/AlGaAs based quantum cascade lasers
Author :
Schrenk, W. ; Pflugl, C. ; Golka, S. ; Roch, T. ; Strasser, G.
Author_Institution :
Inst. fur Festkorperelektronik, Technische Univ. Wien, Vienna, Austria
fDate :
27 Sept.-1 Oct. 2004
Abstract :
In this work we present our latest improvements on GaAs/AlGaAs based quantum cascade lasers (QCLs). We show time resolved spectral measurements of distributed feedback lasers, and post growth wavelength tuning by rapid thermal processing.
Keywords :
Fourier transform spectra; III-V semiconductors; aluminium compounds; distributed feedback lasers; gallium arsenide; infrared spectra; quantum cascade lasers; rapid thermal processing; semiconductor epitaxial layers; spontaneous emission; time resolved spectra; GaAs-AlGaAs; distributed feedback lasers; post growth wavelength tuning; quantum cascade lasers; rapid thermal processing; time resolved spectral measurements; Chemical lasers; Distributed feedback devices; Gallium arsenide; Laser feedback; Laser modes; Optical pulses; Pulse measurements; Quantum cascade lasers; Ring lasers; Semiconductor lasers;
Conference_Titel :
Infrared and Millimeter Waves, 2004 and 12th International Conference on Terahertz Electronics, 2004. Conference Digest of the 2004 Joint 29th International Conference on
Print_ISBN :
0-7803-8490-3
DOI :
10.1109/ICIMW.2004.1422065
