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Quantum optics

Kittens catch phase

The most sensitive phase-measuring instrument yet uses quantum trickery and a scaled-down version of the notorious Schrödinger's cat. It means that more sensitive devices for metrology and imaging could be on the way.

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Figure 1: Towards the Heisenberg limit.


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Dowling, J. Kittens catch phase. Nature 450, 362–363 (2007).

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