High-Fidelity Bidirectional Nuclear Qubit Initialization in SiC

Viktor Ivády, Paul V. Klimov, Kevin C. Miao, Abram L. Falk, David J. Christle, Krisztián Szász, Igor A. Abrikosov, David D. Awschalom, A. Gali

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Dynamic nuclear polarization (DNP) is an attractive method for initializing nuclear spins that are strongly coupled to optically active electron spins because it functions at room temperature and does not require strong magnetic fields. In this Letter, we theoretically demonstrate that DNP, with near-unity polarization efficiency, can be generally realized in weakly coupled electron spin-nuclear spin systems. Furthermore, we theoretically and experimentally show that the nuclear spin polarization can be reversed by magnetic field variations as small as 0.8 Gauss. This mechanism offers new avenues for DNP-based sensors and radio-frequency free control of nuclear qubits.

Original languageEnglish
Article number220503
JournalPhysical Review Letters
Volume117
Issue number22
DOIs
Publication statusPublished - Nov 23 2016

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nuclear spin
polarization
electron spin
magnetic fields
unity
radio frequencies
sensors
room temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Ivády, V., Klimov, P. V., Miao, K. C., Falk, A. L., Christle, D. J., Szász, K., ... Gali, A. (2016). High-Fidelity Bidirectional Nuclear Qubit Initialization in SiC. Physical Review Letters, 117(22), [220503]. https://doi.org/10.1103/PhysRevLett.117.220503

High-Fidelity Bidirectional Nuclear Qubit Initialization in SiC. / Ivády, Viktor; Klimov, Paul V.; Miao, Kevin C.; Falk, Abram L.; Christle, David J.; Szász, Krisztián; Abrikosov, Igor A.; Awschalom, David D.; Gali, A.

In: Physical Review Letters, Vol. 117, No. 22, 220503, 23.11.2016.

Research output: Contribution to journalArticle

Ivády, V, Klimov, PV, Miao, KC, Falk, AL, Christle, DJ, Szász, K, Abrikosov, IA, Awschalom, DD & Gali, A 2016, 'High-Fidelity Bidirectional Nuclear Qubit Initialization in SiC', Physical Review Letters, vol. 117, no. 22, 220503. https://doi.org/10.1103/PhysRevLett.117.220503
Ivády V, Klimov PV, Miao KC, Falk AL, Christle DJ, Szász K et al. High-Fidelity Bidirectional Nuclear Qubit Initialization in SiC. Physical Review Letters. 2016 Nov 23;117(22). 220503. https://doi.org/10.1103/PhysRevLett.117.220503
Ivády, Viktor ; Klimov, Paul V. ; Miao, Kevin C. ; Falk, Abram L. ; Christle, David J. ; Szász, Krisztián ; Abrikosov, Igor A. ; Awschalom, David D. ; Gali, A. / High-Fidelity Bidirectional Nuclear Qubit Initialization in SiC. In: Physical Review Letters. 2016 ; Vol. 117, No. 22.
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