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  Universal, high-fidelity quantum gates based on superadiabatic, geometric phases on a solid-state spin-qubit at room temperature.

Kleißler, F., Lazariev, A., & Arroyo Camejo, S. (2018). Universal, high-fidelity quantum gates based on superadiabatic, geometric phases on a solid-state spin-qubit at room temperature. npj Quantum Information, 4: 49. doi:10.1038/s41534-018-0098-7.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-5FCB-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-7853-9
Genre: Journal Article

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 Creators:
Kleißler, F.1, Author              
Lazariev, A.2, Author              
Arroyo Camejo, S.1, Author              
Affiliations:
1Department of NanoBiophotonics, MPI for Biophysical Chemistry, Max Planck Society, ou_578627              
2Research Group of Nanoscale Spin Imaging, MPI for Biophysical Chemistry, Max Planck Society, ou_1113579              

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 Abstract: Geometric phases and holonomies are a promising resource for the realization of high-fidelity quantum operations in noisy devices, due to their intrinsic fault-tolerance against parametric noise. However, for a long time their practical use in quantum computing was limited to proof of principle demonstrations. This was partly due to the need for adiabatic time evolution or the requirement of complex, high-dimensional state spaces and a large number of driving field parameters to achieve universal quantum gates employing holonomies. In 2016 Liang et al. proposed universal, superadiabatic, geometric quantum gates exploiting transitionless quantum driving, thereby offering fast and universal quantum gate performance on a simple two-level system. Here, we report on the experimental implementation of a set of non-commuting single-qubit superadiabatic, geometric quantum gates on the electron spin of the nitrogen-vacancy center in diamond under ambient conditions. This provides a promising and powerful tool for large-scale quantum computing under realistic, noisy experimental conditions.

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Language(s): eng - English
 Dates: 2018-10-03
 Publication Status: Published online
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 Rev. Method: Peer
 Identifiers: DOI: 10.1038/s41534-018-0098-7
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Title: npj Quantum Information
Source Genre: Journal
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Pages: 6 Volume / Issue: 4 Sequence Number: 49 Start / End Page: - Identifier: -