Title :
Coherent writing and reading of quantum dots excitons´ state by resonant two colors polarized laser pulses
Author :
Khatsevich, S. ; Kodriano, Y. ; Tradonsky, C. ; Benny, Y. ; Galushko, D. ; Petroff, P.M. ; Gershoni, D.
Author_Institution :
Dept. of Phys., Technion - Israel Inst. of Technol., Haifa, Israel
Abstract :
We use a resonant circularly polarized picosecond laser pulse to write a coherent superposition of exciton´s states. We use a second, delayed circularly polarized pulse, tuned into the biexciton resonance to read the exciton´s state.
Keywords :
excitons; high-speed optical techniques; light polarisation; semiconductor quantum dots; circularly polarized picosecond laser pulse; coherent writing; quantum dots excitons state; resonant two colors polarized laser pulses; ultrafast spectroscopy; Delay; Excitons; Laser theory; Laser tuning; Optical polarization; Optical pulses; Pulse measurements; Quantum dot lasers; Resonance; Writing;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2