期刊
PHYSICAL REVIEW LETTERS
卷 120, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.053603
关键词
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资金
- European Community's Seventh Framework Programme [611143]
- European Research Council ERC Consolidator Grant [617985]
- EPSRC National Quantum Technologies Programme [NQIT EP/M013243/1]
- Wolfson College (University of Cambridge)
- Deutsche Forschungsgemeinschaft [BU2510/2-1, INST256/415-1]
- RUBION
The silicon-vacancy center in diamond offers attractive opportunities in quantum photonics due to its favorable optical properties and optically addressable electronic spin. Here, we combine both to achieve all-optical coherent control of its spin states. We utilize this method to explore spin dephasing effects in an impurity-rich sample beyond the limit of phonon-induced decoherence: Employing Ramsey and Hahnecho techniques at temperatures down to 40 mK we identify resonant coupling to a substitutional nitrogen spin bath as limiting decoherence source for the electron spin.
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