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Review of Scientific Instruments / Volume 83 / Issue 2 / ARTICLES / Condensed Matter; Materials

Rev. Sci. Instrum. 83, 023902 (2012); http://dx.doi.org/10.1063/1.3681195 (7 pages)

Cryogenic high-frequency readout and control platform for spin qubits

J. I. Colless and D. J. Reilly

ARC Centre of Excellence for Engineered Quantum Systems, School of Physics, The University of Sydney, Sydney, New South Wales 2006, Australia

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(Received 1 December 2011; accepted 9 January 2012; published online 13 February 2012)

We have developed a cryogenic platform for the control and readout of spin qubits that comprises a high density of dc and radio frequency sample interconnects based on a set of coupled printed circuit boards. The modular setup incorporates 24 filtered dc lines, 14 control and readout lines with bandwidth from dc to above 6 GHz, and 2 microwave connections for excitation to 40 GHz. We report the performance of this platform, including signal integrity and crosstalk measurements and discuss design criteria for constructing sample interconnect technology needed for multi-qubit devices.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. COUPLED PRINTED CIRCUIT BOARDS
    1. Cryostat-PCB and wiring
    2. Device-PCB
  3. CROSSTALK AND SIGNAL FIDELITY MEASUREMENTS
  4. CROSSTALK MITIGATION
  5. DISCUSSION AND CONCLUSION

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KEYWORDS and PACS

Keywords

crosstalk, cryogenics

PACS

  • 84.40.Ua

    Telecommunications: signal transmission and processing; communication satellites

  • 07.20.Mc

    Cryogenics; refrigerators, low-temperature detectors, and other low-temperature equipment

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3681195

PUBLICATION DATA

ISSN

0034-6748 (print)  
1089-7623 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    C. Barthel, D. J. Reilly, C. M. Marcus, M. P. Hanson, and A. C. Gossard, Phys. Rev. Lett. 103, 160503 (2009).

    S. Gustavsson, I. Shorubalko, R. Leturcq, T. Ihn, K. Ensslin, and S. Schön, Phys. Rev. B 78, 035324 (2008).

    L. P. Kouwenhoven, S. Jauhar, and J. Orenstein, Phys. Rev. Lett. 73, 3443 (1994).

    D. J. Reilly, C. M. Marcus, M. P. Hanson, and A. C. Gossard, App. Phys. Lett. 91, 162101 (2007)APPLAB000091000016162101000001.


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