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Noiseless Quantum Measurement and Squeezing of Microwave Fields Utilizing Mechanical Vibrations

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Ockeloen-Korppi, C. F., Damskägg, E., Pirkkalainen, J-M., Heikkilä, T., Massel, F., & Sillanpää, M. (2017). Noiseless Quantum Measurement and Squeezing of Microwave Fields Utilizing Mechanical Vibrations. Physical Review Letters, 118(10), 103601. https://doi.org/10.1103/PhysRevLett.118.103601
Published in
Physical Review Letters
Authors
Ockeloen-Korppi, C. F. |
Damskägg, E. |
Pirkkalainen, J-M. |
Heikkilä, Tero |
Massel, Francesco |
Sillanpää, Mika
Date
2017
Discipline
Nanoscience CenterNanoscience Center
Copyright
© 2017 American Physical Society. Published in this repository with the kind permission of the publisher.

 
A process which strongly amplifies both quadrature amplitudes of an oscillatory signal necessarily adds noise. Alternatively, if the information in one quadrature is lost in phase-sensitive amplification, it is possible to completely reconstruct the other quadrature. Here we demonstrate such a nearly perfect phasesensitive measurement using a cavity optomechanical scheme, characterized by an extremely small noise less than 0.2 quanta. The device also strongly squeezes microwave radiation by 8 dB below vacuum. A source of bright squeezed microwaves opens up applications in manipulations of quantum systems, and noiseless amplification can be used even at modest cryogenic temperatures.
Publisher
American Physical Society
ISSN Search the Publication Forum
0031-9007
Keywords
quantum systems noiseless amplifications cryogenic temperatures melu mittaus
DOI
https://doi.org/10.1103/PhysRevLett.118.103601
URI

http://urn.fi/URN:NBN:fi:jyu-201703201703

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/26913990

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