Title :
Long-lived spin coherence and temperature-induced dephasing in inas quantum dots measured via quantum beats
Author :
Tartakovskii, A.L. ; Cahill, J. ; Whittaker, D.M. ; Wells, J.-P.R. ; Fox, A.M. ; Mowbray, D.J. ; Skolnick, M.S. ; Groom, K.M. ; Steer, M.J. ; Hopkinson, M.
Author_Institution :
Dept. of Phys. & Astron., Sheffield Univ.
Abstract :
Long-lived spin coherence up to 80 K is deduced from quantum beats measured on InAs dots using a highly sensitive pump-probe technique. The beat pattern can in addition be manipulated by thermal annealing of dots
Keywords :
III-V semiconductors; annealing; excitons; indium compounds; optical pumping; photoluminescence; quantum beat spectra; semiconductor quantum dots; InAs; pump-probe technique; quantum beats; quantum dots; spin coherence; temperature-induced dephasing; thermal annealing;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
