Title :
Coherent optical manipulation of quantum dot electron spins
Author :
Gurudev Dutt, M.V. ; Jun Cheng ; Li, Bo. ; Wencan He ; Steel, D.G. ; Bracker, A.S. ; Gammon, D. ; Sham, L.J.
Author_Institution :
H. M. Randall Lab., Michigan Univ., Ann Arbor, MI, USA
Abstract :
We report on the coherent optical manipulation of electron spins in the ground state of charged quantum dots. The measured spin coherence time is limited by the distribution of g-factors, but exceeds one nanosecond.
Keywords :
carrier relaxation time; excitons; g-factor; ground states; quantum optics; semiconductor quantum dots; stimulated Raman scattering; Raman coherence; charged exciton state; charged quantum dots; coherent optical manipulation; electron spins; ground state; nanosecond spin coherence times; spin coherence time; transient homodyne-detected four-wave mixing; Delay; Electron optics; Excitons; Nonlinear optics; Optical mixing; Optical pumping; Quantum dot lasers; Quantum dots; Trions; US Department of Transportation;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.238400
