Journal
NATURE COMMUNICATIONS
Volume 1, Issue -, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/ncomms1122
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Funding
- Australian Research Council
- National Science Foundation
- Deutsche Forschungsgemeinschaft [SBF 407, SFB TR7]
- Centre for Quantum Engineering and Space-Time Research, QUEST
- Division Of Physics
- Direct For Mathematical & Physical Scien [0758188, 0757058] Funding Source: National Science Foundation
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Einstein's general theory of relativity predicts that accelerating mass distributions produce gravitational radiation, analogous to electromagnetic radiation from accelerating charges. These gravitational waves (GWs) have not been directly detected to date, but are expected to open a new window to the Universe once the detectors, kilometre-scale laser interferometers measuring the distance between quasi-free-falling mirrors, have achieved adequate sensitivity. Recent advances in quantum metrology may now contribute to provide the required sensitivity boost. The so-called squeezed light is able to quantum entangle the high-power laser fields in the interferometer arms, and could have a key role in the realization of GW astronomy.
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