Kroner, M. et al. (2008) Optical detection of single-electron spin resonance in a quantum dot. Physical Review Letters, 100(15), 156803. (doi: 10.1103/PhysRevLett.100.156803)
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Abstract
We demonstrate optically detected spin resonance of a single electron confined to a self-assembled quantum dot. The dot is rendered dark by resonant optical pumping of the spin with a laser. Contrast is restored by applying a radio frequency (rf) magnetic field at the spin resonance. The scheme is sensitive even to rf fields of just a few μ T . In one case, the spin resonance behaves as a driven 3-level λ system with weak damping; in another one, the dot exhibits remarkably strong (67% signal recovery) and narrow (0.34 MHz) spin resonances with fluctuating resonant positions, evidence of unusual dynamic processes.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Badolato, Professor Antonio |
| Authors: | Kroner, M., Weiss, K. M., Biedermann, B., Seidl, S., Manus, S., Holleitner, A. W., Badolato, A., Petroff, P. M., Gerardot, B. D., Warburton, R. J., and Karrai, K. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| ISSN (Online): | 1079-7114 |
| Published Online: | 16 April 2008 |
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