A CMOS dynamic random access architecture for radio-frequency readout of quantum devices

Simon Schaal, Alessandro Rossi, Virginia N. Ciriano-Tejel, Tsung-Yeh Yang, Sylvain Barraud, John J.L. Morton, M. Fernando Gonzalez-Zalba

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

As quantum processors become more complex, they will require efficient interfaces to deliver signals for control and readout while keeping the number of inputs manageable. Complementary metal–oxide–semiconductor (CMOS) electronics offers established solutions to signal routing and dynamic access, and the use of a CMOS platform for the qubits themselves offers the attractive proposition of integrating classical and quantum devices on-chip. Here, we report a CMOS dynamic random access architecture for readout of multiple quantum devices operating at millikelvin temperatures. Our circuit is divided into cells, each containing a control field-effect transistor and a quantum dot device, formed in the channel of a nanowire transistor. This set-up allows selective readout of the quantum dot and charge storage on the quantum dot gate, similar to one-transistor–one-capacitor (1T-1C) dynamic random access technology. We demonstrate dynamic readout of two cells by interfacing them with a single radio-frequency resonator. Our approach provides a path to reduce the number of input lines per qubit and allow large-scale device arrays to be addressed.

LanguageEnglish
Pages236-242
Number of pages7
JournalNature Electronics
Volume2
Issue number6
DOIs
Publication statusPublished - 17 Jun 2019

Fingerprint

random access
readout
CMOS
radio frequencies
Metals
Semiconductor quantum dots
quantum dots
Transistors
transistors
Field effect transistors
cells
Nanowires
central processing units
Resonators
capacitors
nanowires
Capacitors
Electronic equipment
field effect transistors
platforms

Keywords

  • quantum processors
  • CMOS
  • complementary metal oxide semiconductor (CMOS)
  • CMOS platform

Cite this

Schaal, S., Rossi, A., Ciriano-Tejel, V. N., Yang, T-Y., Barraud, S., Morton, J. J. L., & Gonzalez-Zalba, M. F. (2019). A CMOS dynamic random access architecture for radio-frequency readout of quantum devices. 2(6), 236-242. https://doi.org/10.1038/s41928-019-0259-5
Schaal, Simon ; Rossi, Alessandro ; Ciriano-Tejel, Virginia N. ; Yang, Tsung-Yeh ; Barraud, Sylvain ; Morton, John J.L. ; Gonzalez-Zalba, M. Fernando. / A CMOS dynamic random access architecture for radio-frequency readout of quantum devices. 2019 ; Vol. 2, No. 6. pp. 236-242.
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Schaal, S, Rossi, A, Ciriano-Tejel, VN, Yang, T-Y, Barraud, S, Morton, JJL & Gonzalez-Zalba, MF 2019, 'A CMOS dynamic random access architecture for radio-frequency readout of quantum devices' vol. 2, no. 6, pp. 236-242. https://doi.org/10.1038/s41928-019-0259-5

A CMOS dynamic random access architecture for radio-frequency readout of quantum devices. / Schaal, Simon; Rossi, Alessandro; Ciriano-Tejel, Virginia N.; Yang, Tsung-Yeh; Barraud, Sylvain; Morton, John J.L.; Gonzalez-Zalba, M. Fernando.

Vol. 2, No. 6, 17.06.2019, p. 236-242.

Research output: Contribution to journalArticle

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Schaal S, Rossi A, Ciriano-Tejel VN, Yang T-Y, Barraud S, Morton JJL et al. A CMOS dynamic random access architecture for radio-frequency readout of quantum devices. 2019 Jun 17;2(6):236-242. https://doi.org/10.1038/s41928-019-0259-5