Integrated silicon qubit platform with single-spin addressability, exchange control and single-shot singlet-triplet readout

M. A. Fogarty, K. W. Chan, B. Hensen, W. Huang, T. Tanttu, C. H. Yang, A. Laucht, M. Veldhorst, F. E. Hudson, Kohei M Itoh, D. Culcer, T. D. Ladd, A. Morello, A. S. Dzurak

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Silicon quantum dot spin qubits provide a promising platform for large-scale quantum computation because of their compatibility with conventional CMOS manufacturing and the long coherence times accessible using 28Si enriched material. A scalable error-corrected quantum processor, however, will require control of many qubits in parallel, while performing error detection across the constituent qubits. Spin resonance techniques are a convenient path to parallel two-axis control, while Pauli spin blockade can be used to realize local parity measurements for error detection. Despite this, silicon qubit implementations have so far focused on either single-spin resonance control, or control and measurement via voltage-pulse detuning in the two-spin singlet-triplet basis, but not both simultaneously. Here, we demonstrate an integrated device platform incorporating a silicon metal-oxide-semiconductor double quantum dot that is capable of single-spin addressing and control via electron spin resonance, combined with high-fidelity spin readout in the singlet-triplet basis.

Original languageEnglish
Number of pages1
JournalNature Communications
Volume9
Issue number1
DOIs
Publication statusPublished - 2018 Oct 30

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spin exchange
Silicon
shot
readout
Quantum Dots
platforms
silicon
spin resonance
Error detection
Semiconductors
Electron Spin Resonance Spectroscopy
Semiconductor quantum dots
Parity
Oxides
quantum dots
Quantum computers
Metals
Equipment and Supplies
quantum computation
silicon oxides

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Integrated silicon qubit platform with single-spin addressability, exchange control and single-shot singlet-triplet readout. / Fogarty, M. A.; Chan, K. W.; Hensen, B.; Huang, W.; Tanttu, T.; Yang, C. H.; Laucht, A.; Veldhorst, M.; Hudson, F. E.; Itoh, Kohei M; Culcer, D.; Ladd, T. D.; Morello, A.; Dzurak, A. S.

In: Nature Communications, Vol. 9, No. 1, 30.10.2018.

Research output: Contribution to journalArticle

Fogarty, MA, Chan, KW, Hensen, B, Huang, W, Tanttu, T, Yang, CH, Laucht, A, Veldhorst, M, Hudson, FE, Itoh, KM, Culcer, D, Ladd, TD, Morello, A & Dzurak, AS 2018, 'Integrated silicon qubit platform with single-spin addressability, exchange control and single-shot singlet-triplet readout', Nature Communications, vol. 9, no. 1. https://doi.org/10.1038/s41467-018-06039-x
Fogarty, M. A. ; Chan, K. W. ; Hensen, B. ; Huang, W. ; Tanttu, T. ; Yang, C. H. ; Laucht, A. ; Veldhorst, M. ; Hudson, F. E. ; Itoh, Kohei M ; Culcer, D. ; Ladd, T. D. ; Morello, A. ; Dzurak, A. S. / Integrated silicon qubit platform with single-spin addressability, exchange control and single-shot singlet-triplet readout. In: Nature Communications. 2018 ; Vol. 9, No. 1.
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