Abstract
When measuring the position of a mechanical oscillator, quantum mechanics imposes a strict limit on the attainable precision: Any reduction of imprecision leads to increased quantum backaction of the measuring probe on the oscillator. This quantum limit can be circumvented, in principle allowing to indefinitely reduce imprecision, by monitoring only a single quadrature of the oscillator. Such backaction-evading measurement has been recently demonstrated in electromechanical oscillators coupled to microwave resonant circuits. Here we demonstrate this technique in a photonic crystal nanomechanical oscillator, cryogenically and optomechanically cooled to a few quanta.
Original language | English |
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Title of host publication | International Conference on Optical MEMS and Nanophotonics, OMN 2018 - Proceedings |
Publisher | IEEE Computer Society |
ISBN (Print) | 9781509063727 |
DOIs | |
State | Published - 4 Sep 2018 |
Externally published | Yes |
Event | 23rd International Conference on Optical MEMS and Nanophotonics, OMN 2018 - Lausanne, Switzerland Duration: 29 Jul 2018 → 2 Aug 2018 |
Publication series
Name | International Conference on Optical MEMS and Nanophotonics |
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Volume | 2018-July |
ISSN (Print) | 2160-5033 |
ISSN (Electronic) | 2160-5041 |
Conference
Conference | 23rd International Conference on Optical MEMS and Nanophotonics, OMN 2018 |
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Country/Territory | Switzerland |
City | Lausanne |
Period | 29/07/18 → 2/08/18 |
Bibliographical note
Publisher Copyright:© 2018 IEEE.
Keywords
- backaction evasion
- nanomechanics
- optomechanics