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Holonomic Quantum Control by Coherent Optical Excitation in Diamond

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2017

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Zhou, Brian B.
Jerger, Paul C.
Heremans, F. Joseph
Awschalom, David D.

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https://doi.org/10.1103/PhysRevLett.119.140503
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http://arxiv.org/abs/1705.00654v2

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Physical Review Letters. 2017, 119(14), 140503. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.119.140503

Zusammenfassung

Although geometric phases in quantum evolution were historically overlooked, their active control now stimulates strategies for constructing robust quantum technologies. Here, we demonstrate arbitrary single-qubit holonomic gates from a single cycle of non-adiabatic evolution, eliminating the need to concatenate two separate cycles. Our method varies the amplitude, phase, and detuning of a two-tone optical field to control the non-Abelian geometric phase acquired by a nitrogen-vacancy center in diamond over a coherent excitation cycle. We demonstrate the enhanced robustness of detuned gates to excited-state decoherence and provide insights for optimizing fast holonomic control in dissipative quantum systems.

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ISO 690ZHOU, Brian B., Paul C. JERGER, Vladislav O. SHKOLNIKOV, F. Joseph HEREMANS, Guido BURKARD, David D. AWSCHALOM, 2017. Holonomic Quantum Control by Coherent Optical Excitation in Diamond. In: Physical Review Letters. 2017, 119(14), 140503. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.119.140503
BibTex
@article{Zhou2017-05-01T18:29:03ZHolon-40434,
  year={2017},
  doi={10.1103/PhysRevLett.119.140503},
  title={Holonomic Quantum Control by Coherent Optical Excitation in Diamond},
  number={14},
  volume={119},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Zhou, Brian B. and Jerger, Paul C. and Shkolnikov, Vladislav O. and Heremans, F. Joseph and Burkard, Guido and Awschalom, David D.},
  note={Article Number: 140503}
}
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