Quantum squeezing of motion in a mechanical resonator

Author:

Wollman E. E.1,Lei C. U.1,Weinstein A. J.1,Suh J.2,Kronwald A.3,Marquardt F.34,Clerk A. A.5,Schwab K. C.1

Affiliation:

1. Applied Physics, California Institute of Technology, Pasadena, CA 91125, USA.

2. Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea.

3. Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstraße 7, D-91058 Erlangen, Germany.

4. Max Planck Institute for the Science of Light, Günther-Scharowsky-Straße 1/Bau 24, D-91058 Erlangen, Germany.

5. Department of Physics, McGill University, Montreal, Quebec, H3A 2T8, Canada.

Abstract

Manipulation of a quantum squeeze The uncertainty principle of quantum mechanics dictates that even when a system is cooled to its ground state, there are still fluctuations. This zero-point motion is unavoidable but can be manipulated. Wollman et al. demonstrate such manipulation with the motion of a micrometer-sized mechanical system. By driving up the fluctuations in one of the variables of the system, they are able to squeeze the other related variable below the expected zero-point limit. Quantum squeezing will be important for realizing ultrasensitive sensors and detectors. Science , this issue p. 952

Funder

NSF

Semiconductor Research Corporation (SRC)

Defense Advanced Research Projects Agency

Defense Advanced Research Project Agency (DARPA)

Gordon and Betty Moore Foundation

Institute for Quantum Information and Matter

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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