Title :
Optically induced rotation of a quantum dot exciton spin
Author :
Poem, E. ; Kodriano, Y. ; Benny, Y. ; Khatsevich, S. ; Kenneth, O. ; Avron, J.E. ; Gershoni, D.
Author_Institution :
Dept. of Phys., Technion - Israel Inst. of Technol., Haifa, Israel
Abstract :
A polarized picosecond laser pulse, which couples the bright exciton states to biexciton resonant states, is used to manipulate the exciton spin. We directly demonstrate this novel knob in a picosecond time-resolved two pulses experiment.
Keywords :
biexcitons; high-speed optical techniques; optical rotation; photoluminescence; resonant states; semiconductor quantum dots; time resolved spectra; biexciton resonant states; bright exciton states; optically induced rotation; photoluminescence; picosecond time-resolved two pulses experiment; polarized picosecond laser pulse; quantum dot exciton spin; Excitons; Laser excitation; Optical polarization; Oscillators; Pulse measurements; Quantum dot lasers; Quantum dots;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4