Title :
Ultrafast coherent manipulation of a THz-intersubband polarization in a voltage-controlled single quantum well
Author :
Wagner, M. ; Helm, M. ; Sherwin, M.S. ; Stehr, D.
Author_Institution :
Inst. of Ion Beam Phys. & Mater. Res., Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
Abstract :
Sub-picosecond terahertz pulses are used to refresh or switch off the macroscopic intersubband polarization of a quantum well at low temperature. This coherent switching is directly observed in the time-domain and agrees with model calculations.
Keywords :
light coherence; quantum wells; terahertz wave spectra; time-domain analysis; coherent switching; macroscopic intersubband polarization; subpicosecond terahertz pulses; terahertz-intersubband polarization; time-domain; ultrafast coherent manipulation; voltage-controlled single quantum well; Mathematical model; Optical amplifiers; Optical polarization; Optical pulses; Optical switches; Time domain analysis; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6