Nondestructive Optical Measurements of a Single Electron Spin in a Quantum Dot
- 22 December 2006
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 314 (5807), 1916-1920
- https://doi.org/10.1126/science.1133862
Abstract
Kerr rotation measurements on a single electron spin confined in a charge-tunable semiconductor quantum dot demonstrate a means to directly probe the spin off-resonance, thus minimally disturbing the system. Energy-resolved magneto-optical spectra reveal information about the optically oriented spin polarization and the transverse spin lifetime of the electron as a function of the charging of the dot. These results represent progress toward the manipulation and coupling of single spins and photons for quantum information processing.Keywords
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