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Showing 1–4 of 4 results
Advanced filters: Author: Shimon Kolkowitz Clear advanced filters

  • Controlling pairs of nitrogen vacancy centres enables the measurement of magnetic correlations below the optical diffraction limit, and the use of entangled pairs shows a linear scaling of the measurement sensitivity with readout noise, as opposed to the quadratic scaling that would be obtained with unentangled spins.

    • Jared Rovny
    • Shimon Kolkowitz
    • Nathalie P. de Leon
    Research
    Nature
    Volume: 647, P: 876-882

  • Testing general relativity with optical clocks is important both as a fundamental test and for metrological applications. Here, a vertical linear array of 5 separate ensembles of strontium atoms trapped in a single optical lattice is used to perform a blinded lab-based test of the gravitational redshift at the mm to cm scale.

    • Xin Zheng
    • Jonathan Dolde
    • Shimon Kolkowitz
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • Multiple ultracold ensembles of strontium atoms are trapped in the same optical lattice, realizing a multiplexed optical clock where precision measurements can benefit from having all atoms share the same trapping light and clock laser.

    • Xin Zheng
    • Jonathan Dolde
    • Shimon Kolkowitz
    Research
    Nature
    Volume: 602, P: 425-430

  • In quantum computing, realistic error models can allow tailored correction schemes for specific platforms. Here, while considering the case of qubits encoded in metastable electronic levels of atomic arrays, the authors propose a way to convert a large fraction of occurring errors into detectable leakages, or erasure errors, which are vastly easier to correct.

    • Yue Wu
    • Shimon Kolkowitz
    • Jeff D. Thompson
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7