Geometric phase gates with adiabatic control in electron spin resonance

Hua Wu, Erik M. Gauger, Richard E. George, Mikko Möttönen, Helge Riemann, Nikolai V. Abrosimov, Peter Becker, Hans Joachim Pohl, Kohei M Itoh, Mike L W Thewalt, John J L Morton

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

High-fidelity quantum operations are a key requirement for fault-tolerant quantum information processing. Manipulation of electron spins is usually achieved with time-dependent microwave fields. In contrast to the conventional dynamic approach, adiabatic geometric phase operations are expected to be less sensitive to certain kinds of noise and field inhomogeneities. Here, we introduce an adiabatic geometric phase gate for the electron spin. Benchmarking it against existing dynamic and nonadiabatic geometric gates through simulations and experiments, we show that it is indeed inherently robust against inhomogeneity in the applied microwave field strength. While only little advantage is offered over error-correcting composite pulses for modest inhomogeneities 10%, the adiabatic approach reveals its potential for situations where field inhomogeneities are unavoidably large.

Original languageEnglish
Article number032326
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume87
Issue number3
DOIs
Publication statusPublished - 2013 Mar 25

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electron paramagnetic resonance
inhomogeneity
electron spin
microwaves
manipulators
field strength
requirements
composite materials
pulses
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Wu, H., Gauger, E. M., George, R. E., Möttönen, M., Riemann, H., Abrosimov, N. V., ... Morton, J. J. L. (2013). Geometric phase gates with adiabatic control in electron spin resonance. Physical Review A - Atomic, Molecular, and Optical Physics, 87(3), [032326]. https://doi.org/10.1103/PhysRevA.87.032326

Geometric phase gates with adiabatic control in electron spin resonance. / Wu, Hua; Gauger, Erik M.; George, Richard E.; Möttönen, Mikko; Riemann, Helge; Abrosimov, Nikolai V.; Becker, Peter; Pohl, Hans Joachim; Itoh, Kohei M; Thewalt, Mike L W; Morton, John J L.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 87, No. 3, 032326, 25.03.2013.

Research output: Contribution to journalArticle

Wu, H, Gauger, EM, George, RE, Möttönen, M, Riemann, H, Abrosimov, NV, Becker, P, Pohl, HJ, Itoh, KM, Thewalt, MLW & Morton, JJL 2013, 'Geometric phase gates with adiabatic control in electron spin resonance', Physical Review A - Atomic, Molecular, and Optical Physics, vol. 87, no. 3, 032326. https://doi.org/10.1103/PhysRevA.87.032326
Wu, Hua ; Gauger, Erik M. ; George, Richard E. ; Möttönen, Mikko ; Riemann, Helge ; Abrosimov, Nikolai V. ; Becker, Peter ; Pohl, Hans Joachim ; Itoh, Kohei M ; Thewalt, Mike L W ; Morton, John J L. / Geometric phase gates with adiabatic control in electron spin resonance. In: Physical Review A - Atomic, Molecular, and Optical Physics. 2013 ; Vol. 87, No. 3.
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