Title :
Terahertz field induced midinfrared gain and absorption in n-type GaAs
Author :
Gaal, P. ; Reimann, K. ; Woerner, M. ; Elsaesser, T. ; Hey, R. ; Ploog, K.H.
Author_Institution :
Max-Born-Institut fÿr Nichtlineare Optik und Kurzzeitspektroskopie, 12489 Berlin, Germany
Abstract :
Ultrafast acceleration of free carriers in a strong THz field results in an oscillatory occurrence of midinfrared gain/absorption with the LO phonon frequency. This quantum kinetic phenomenon is studied in nonlinear THz-pump-midinfrared-probe experiments.
Keywords :
Absorption; Acceleration; Frequency; Gallium arsenide; Infrared spectra; Kinetic theory; Nonlinear optics; Optical pulse generation; Phonons; Pulse measurements;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431617
