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A Coherent Single-Hole Spin in a Semiconductor [2009-07-07] |
| Science 3 July 2009: A Coherent Single-Hole Spin in a Semiconductor
Semiconductors have uniquely attractive properties for electronics and photonics. However, it has been difficult to find a highly coherent quantum state in a semiconductor for applications in quantum sensing and quantum information processing. We report coherent population trapping, an optical quantum interference effect, on a single hole. The results demonstrate that a hole spin in a quantum dot is highly coherent.
1 School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh EH14 4AS, UK.2 Department für Physik der Ludwig-Maximilians-Universität, Geschwister-Scholl-Platz 1, 80539 Munich, Germany. 3 Materials Department, University of California, Santa Barbara, CA 93106, USA. 4 Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland. 附件下载 |
