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Article overview
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Squeezing of thermal fluctuations in a driven nanomechanical resonator | | J.S. Huber
; G. Rastelli
; M.J. Seitner
; J. Kölbl
; W. Belzig
; M.I. Dykman
; E.M. Weig
; | | Date: |
18 Mar 2019 | | Abstract: | Classical squeezing allows manipulating the noise distribution of thermal
fluctuations by suppressing the noise along one of the two quadratures.
Squeezing of thermal fluctuations has mostly been studied in parametric
amplifiers, including realizations based on microwave [1,2] or mechanical [3,4]
resonators as well as trapped ions [5], and is typically detected in a homodyne
measurement. Here we show thermal squeezing of a nanomechanical resonator of
ultra-high quality factor at room temperature. Squeezing is accomplished by
driving the resonator in the nonlinear Duffing regime. Contrary to previous
studies [6-8], auxilliary noise injection into the system is not required.
Remarkably, the squeezing manifests itself directly in the power spectrum
without the need of a homodyne measurement. Classical noise squeezing promises
to reduce heating in computers [9], and represents an important asset for
precision sensing [5,10,11] enabling the advent of a new generation of
nanomechanical detectors at room temperature. | | Source: | arXiv, 1903.7601 | | Services: | Forum | Review | PDF | Favorites | |
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