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Measuring the quantum vibrations of a small drum at room temperature

A combination of technical improvements in noise mitigation enabled the observation of the quantum force of light on a millimetre-scale drum at room temperature. This experimental system permits the drum’s position to be measured with an accuracy close to the quantum limit.

This is a summary of: Huang, G. et al. Room-temperature quantum optomechanics using an ultralow noise cavity. Nature 626, 512–516 (2024).

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doi: https://doi.org/10.1038/d41586-024-00064-1

Figure 1 is published under a CC BY 4.0 licence.

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