Title :
Ultrafast spin dynamics in spin-polarized vertical-cavity surface-emitting laser devices
Author :
Gerhardt, N.C. ; Hoevel, S. ; Li, M. ; Jaehme, H. ; Hofmann, M.R. ; Ackemann, T. ; Kroner, A. ; Michalzik, R.
Author_Institution :
Photonics & Terahertz Technol., Ruhr-Univ. Bochum, Bochum, Germany
Abstract :
Spin-polarized lasers offer new encouraging possibilities for future devices. We compare time-resolved luminescence measurements with theoretical models for spin dynamics in spin-polarized lasers and demonstrate ultrafast polarization switching during one short single-mode laser pulse.
Keywords :
high-speed optical techniques; laser cavity resonators; laser modes; laser variables measurement; light polarisation; magneto-optical devices; photoluminescence; surface emitting lasers; magneto-optic system; short single-mode laser pulse; spin-polarized VCSEL device; time-resolved luminescence measurement; ultrafast polarization switching; ultrafast spin dynamics; Laser modes; Laser theory; Optical polarization; Optical pulses; Optical pumping; Semiconductor lasers; Stimulated emission; Surface emitting lasers; Ultrafast optics; Vertical cavity surface emitting lasers; (120.2130) Ellipsometry and polarimetry; (140.7260) Vertical cavity surface emitting laser; (230.3810) Magneto-optic systems; (230.5440) Polarization selective devices;
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
