Stimulated and Spontaneous Optical Generation of Electron Spin Coherence in Charged GaAs Quantum Dots
โ Scribed by Dutt, M.; Cheng, Jun; Li, Bo; Xu, Xiaodong; Li, Xiaoqin; Berman, P.; Steel, D.; Bracker, A.; Gammon, D.; Economou, Sophia
- Book ID
- 111893151
- Publisher
- The American Physical Society
- Year
- 2005
- Tongue
- English
- Weight
- 264 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0031-9007
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## Abstract We report on electron spin physics in a single chargeโtunable selfโassembled InAs/GaAs quantum dot. The hyperfine interaction between the optically oriented electron and nuclear spins leads to the polarization of the quantum dot nuclei. The sign of the resulting Overhauserโshift depends