Title :
A room temperature all-optical polarization switch based on the excitation of spin-polarized "virtual" carriers in quantum wells
Author :
Yildirim, Murat ; Prineas, John P. ; Gansen, Eric J. ; Smirl, Arthur L.
Author_Institution :
Dept. of Phys. & Astron., Iowa Univ., Iowa City, IA, USA
Abstract :
Room temperature operation of a polarization switch based on virtual excitation of spin-polarized carriers in quantum wells is demonstrated, which exhibits a contrast ratio of ∼27:1 and a switching time of ∼575 fs.
Keywords :
excited states; high-speed optical techniques; light polarisation; optical switches; quantum well devices; 293 to 298 K; 575 fs; all-optical switch; carrier excitation; contrast ratio; polarization switch; quantum wells; room temperature operation; spin-polarized carriers; virtual carriers; virtual excitation; Absorption; Cities and towns; Excitons; Laser tuning; Nonlinear optics; Optical polarization; Optical switches; Quantum well devices; Resonance; Temperature;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202207
