Title :
Femtosecond dynamics of a midinfrared quantum cascade laser
Author :
Kuehn, W. ; Parz, W. ; Gaal, P. ; Reimann, K. ; Woerner, M. ; Elsaesser, T. ; Müller, T. ; Darmo, J. ; Unterrainer, K. ; Austerer, M. ; Strasser, G. ; Wilson, L.R. ; Cockburn, J.W. ; Krysa, A.B. ; Roberts, J.S.
Author_Institution :
Max-Born-Inst. fur Nichtlineare Optikund Kurzzeitspektroskopie, Berlin, Germany
Abstract :
The optical gain dynamics in an InGaAs/AlInAs quantum cascade laser is studied by midinfrared pump-probe experiments and electro-optic sampling. We find an extremely fast gain recovery time of <1 ps.
Keywords :
III-V semiconductors; aluminium compounds; electro-optical devices; gallium arsenide; high-speed optical techniques; indium compounds; optical pumping; quantum cascade lasers; InGaAs-AlInAs; electro-optic sampling; femtosecond optical gain dynamics; gain recovery time; midinfrared pump-probe experiment; midinfrared quantum cascade laser; Absorption; Delay; Displays; Electrons; Probes; Pulse amplifiers; Pulse measurements; Pump lasers; Quantum cascade lasers; Ultrafast optics; (140.5965) Semiconductor lasers, quantum cascade; (300.6530) Ultrafast spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
