Modulated Continuous Wave Control for Energy-Efficient Electron-Nuclear Spin Coupling

J. Casanova, E. Torrontegui, M. B. Plenio, J. J. García-Ripoll, and E. Solano
Phys. Rev. Lett. 122, 010407 – Published 10 January 2019
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Abstract

We develop energy efficient, continuous microwave schemes to couple electron and nuclear spins, using phase or amplitude modulation to bridge their frequency difference. These controls have promising applications in biological systems, where microwave power should be limited, as well as in situations with high Larmor frequencies due to large magnetic fields and nuclear magnetic moments. These include nanoscale NMR where high magnetic fields achieves enhanced thermal nuclear polarization and larger chemical shifts. Our controls are also suitable for quantum information processors and nuclear polarization schemes.

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  • Received 6 August 2018

DOI:https://doi.org/10.1103/PhysRevLett.122.010407

© 2019 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalQuantum Information, Science & Technology

Authors & Affiliations

J. Casanova1,2, E. Torrontegui3, M. B. Plenio4, J. J. García-Ripoll3, and E. Solano1,2,5

  • 1Department of Physical Chemistry, University of the Basque Country UPV/EHU, Apartado 644, 48080 Bilbao, Spain
  • 2IKERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, 48013 Bilbao, Spain
  • 3Instituto de Física Fundamental IFF-CSIC, Calle Serrano 113b, 28006 Madrid, Spain
  • 4Institut für Theoretische Physik and IQST, Albert-Einstein-Allee 11, Universität Ulm, D-89069 Ulm, Germany
  • 5Department of Physics, Shanghai University, 200444 Shanghai, China

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Issue

Vol. 122, Iss. 1 — 11 January 2019

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