Fast phase manipulation of the single nuclear spin in solids by rotating fields

T. Shimo-Oka, Y. Tokura, Y. Suzuki, and N. Mizuochi
Phys. Rev. A 95, 032316 – Published 13 March 2017

Abstract

We propose fast phase gates of single nuclear spins interacting with single electron spins. The gate operation utilizes geometric phase shifts of the electron spin induced by fast and slow rotating fields; the path difference depending on nuclear-spin states enables nuclear phase shifts. The gate time is inversely proportional to the frequency of the slow rotating field. As an example, we use nitrogen-vacancy centers in diamond, and show, in principle, the phase-gate time orders of magnitude to be shorter than previously reported. We also confirmed the robustness of the gate against decoherence and systematic errors.

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  • Received 20 December 2015
  • Revised 21 October 2016

DOI:https://doi.org/10.1103/PhysRevA.95.032316

©2017 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & Technology

Authors & Affiliations

T. Shimo-Oka1, Y. Tokura2, Y. Suzuki3, and N. Mizuochi1

  • 1Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
  • 2Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan
  • 3Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan

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Issue

Vol. 95, Iss. 3 — March 2017

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