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Metrology

Filtering noise with a quantum probe

In the science of measurement, increasing the sensitivity to the quantity being measured while minimizing the susceptibility to noise is a challenge. A technique demonstrated with a single electron spin may help to tackle it. See Letter p.61

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Correspondence to John J. Bollinger.

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Bollinger, J. Filtering noise with a quantum probe. Nature 473, 39–40 (2011). https://doi.org/10.1038/473039a

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