Optical read-out of the quantum motion of an array of atoms-based mechanical oscillators
We create an ultracold-atoms-based cavity optomechanical system in which as many as six distinguishable mechanical oscillators are prepared, and optically detected, near their ground states of motion. We demonstrate that the motional state of one oscillator can be selectively addressed while preserv...
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Main Authors | , , , , |
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Format | Journal Article |
Language | English |
Published |
18.10.2012
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Subjects | |
Online Access | Get full text |
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Summary: | We create an ultracold-atoms-based cavity optomechanical system in which as
many as six distinguishable mechanical oscillators are prepared, and optically
detected, near their ground states of motion. We demonstrate that the motional
state of one oscillator can be selectively addressed while preserving
neighboring oscillators near their ground states to better than 95% per
excitation quantum. We also show that our system offers nanometer-scale spatial
resolution of each mechanical element via optomechanical imaging. This
technique enables in-situ, parallel sensing of potential landscapes, a
capability relevant to active research areas of atomic physics and force-field
detection in optomechanics. |
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DOI: | 10.48550/arxiv.1210.5218 |