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  Room temperature high-fidelity holonomic single-qubit gate on a solid-state spin.

Arroyo Camejo, S., Lazariev, A., Hell, S. W., & Balasubramanian, G. (2014). Room temperature high-fidelity holonomic single-qubit gate on a solid-state spin. Nature Communications, 5: 4870. doi:10.1038/ncomms5870.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-D0BE-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-6ECC-C
Genre: Journal Article

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 Creators:
Arroyo Camejo, S.1, Author              
Lazariev, A.2, Author              
Hell, S. W.1, Author              
Balasubramanian, G.2, 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: At its most fundamental level, circuit-based quantum computation relies on the application of controlled phase shift operations on quantum registers. While these operations are generally compromised by noise and imperfections, quantum gates based on geometric phase shifts can provide intrinsically fault-tolerant quantum computing. Here we demonstrate the high-fidelity realization of a recently proposed fast (non-adiabatic) and universal (non-Abelian) holonomic single-qubit gate, using an individual solid-state spin qubit under ambient conditions. This fault-tolerant quantum gate provides an elegant means for achieving the fidelity threshold indispensable for implementing quantum error correction protocols. Since we employ a spin qubit associated with a nitrogen-vacancy colour centre in diamond, this system is based on integrable and scalable hardware exhibiting strong analogy to current silicon technology. This quantum gate realization is a promising step towards viable, fault-tolerant quantum computing under ambient conditions.

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Language(s): eng - English
 Dates: 2014-09-12
 Publication Status: Published online
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 Rev. Method: Peer
 Identifiers: DOI: 10.1038/ncomms5870
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Title: Nature Communications
Source Genre: Journal
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Pages: 5 Volume / Issue: 5 Sequence Number: 4870 Start / End Page: - Identifier: -