Title :
Optically stimulated and spontaneously generated electron spin coherence in quantum dots
Author :
Xu, Xiaodong ; Cheng, Jun ; Dutt, M. V Gurudev ; Wu, Yanwen ; Steel, D.G. ; Bracker, A.S. ; Gammon, D. ; Liu, Ren-Bao ; Economou, Sophia E. ; Sham, L.J.
Author_Institution :
H.M. Randall Lab., Michigan Univ., Ann Arbor, MI, USA
Abstract :
We report the observation of long-lived quantum beats in quantum dots (ensemble and single) due to electron spin coherence, resulting from stimulated Raman transition as well as spontaneous radiative decay of the trion state.
Keywords :
electron spin; light coherence; semiconductor quantum dots; stimulated Raman scattering; optically stimulated electron spin coherence; quantum beats; quantum dots; spontaneous radiative decay; spontaneously generated electron spin coherence; stimulated Raman transition; trion state; Coherence; Electron optics; Gallium arsenide; Magnetic fields; Quantum computing; Quantum dots; Raman scattering; Spectroscopy; Stimulated emission; Trions;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548863
