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  • RESEARCH HIGHLIGHT

Quantum microphone is a leap ahead of the competition

Low-powered technology based on entangled photons delivers clearer sound than a classical equivalent.
Headphones on a blue background with its cord going off to the side.

Study participants found it easier to identify words recorded using a quantum microphone than those recorded using conventional technology. Credit: Getty

Physicists have substantially boosted the efficiency of a type of quantum sensor — and demonstrated its use as a microphone1.

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Nature 606, 843 (2022)

doi: https://doi.org/10.1038/d41586-022-01709-9

References

  1. Nold, R. et al. PRX Quantum 3, 020358 (2022).

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