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Single-ion quantum lock-in amplifier

Author

Listed:
  • Shlomi Kotler

    (Weizmann Institute of Science, PO Box 26)

  • Nitzan Akerman

    (Weizmann Institute of Science, PO Box 26)

  • Yinnon Glickman

    (Weizmann Institute of Science, PO Box 26)

  • Anna Keselman

    (Weizmann Institute of Science, PO Box 26)

  • Roee Ozeri

    (Weizmann Institute of Science, PO Box 26)

Abstract

A quantum lock-in amplifier The 'lock-in' technique is a valuable tool in experimental physics, used to increase measurement sensitivity while reducing susceptibility to noise. A team from the Weizmann Institute in Rehovot, Israel, reports the implementation of a quantum analogue to the classical lock-in amplifier, using a single trapped strontium ion. The system achieves magnetic-field sensitivity two orders of magnitude greater than that seen with established single-spin probe technologies. The quantum lock-in technique is generic and can potentially enhance the sensitivity of any quantum sensor.

Suggested Citation

  • Shlomi Kotler & Nitzan Akerman & Yinnon Glickman & Anna Keselman & Roee Ozeri, 2011. "Single-ion quantum lock-in amplifier," Nature, Nature, vol. 473(7345), pages 61-65, May.
    • Handle: RePEc:nat:nature:v:473:y:2011:i:7345:d:10.1038_nature10010
    DOI: 10.1038/nature10010
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