Coherent feedback control of a single qubit in diamond

Masashi Hirose and Paola Cappellaro ()
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Masashi Hirose: Massachusetts Institute of Technology
Paola Cappellaro: Massachusetts Institute of Technology

Nature, 2016, vol. 532, issue 7597, 77-80

Abstract: A feedback-control algorithm implemented using a solid-state spin qubit system associated with the nitrogen vacancy centre in diamond is demonstrated; the algorithm uses coherent feedback to overcome the limitations of measurement-based feedback and protects the qubit against intrinsic dephasing noise, making it stable for milliseconds.

Date: 2016
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DOI: 10.1038/nature17404

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