Discrete-time quadrature feedback cooling of a radio-frequency mechanical resonator

M. Poot; S. Etaki; H. Yamaguchi; H. S.J. Van Der Zant

doi:10.1063/1.3608148

Discrete-time quadrature feedback cooling of a radio-frequency mechanical resonator

M. Poot
, S. Etaki
, H. Yamaguchi
, H. S.J. Van Der Zant

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

We have employed a feedback cooling scheme, which combines high-frequency mixing with digital signal processing. The frequency and damping rate of a 2 MHz micromechanical resonator embedded in a dc SQUID are adjusted with the feedback, and active cooling to a temperature of 14.3 mK is demonstrated. This technique can be applied to GHz resonators and allows for flexible control strategies.

Original language	English
Article number	013113
Journal	Applied Physics Letters
Volume	99
Issue number	1
DOIs	https://doi.org/10.1063/1.3608148
State	Published - 4 Jul 2011
Externally published	Yes

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10.1063/1.3608148

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title = "Discrete-time quadrature feedback cooling of a radio-frequency mechanical resonator",

abstract = "We have employed a feedback cooling scheme, which combines high-frequency mixing with digital signal processing. The frequency and damping rate of a 2 MHz micromechanical resonator embedded in a dc SQUID are adjusted with the feedback, and active cooling to a temperature of 14.3 mK is demonstrated. This technique can be applied to GHz resonators and allows for flexible control strategies.",

author = "M. Poot and S. Etaki and H. Yamaguchi and \{Van Der Zant\}, \{H. S.J.\}",

note = "Funding Information: We thank Hidde Westra, Khasahir Babei Gavan, Abah Obinna, and Joris van der Spek for their help with the measurements. This work was supported in part by FOM, NWO (VICI grant), NanoNed, EU FP7 STREP project (QNEMS), and JSPS KAKENHI (Grant Nos. 20246064 and 23241046).",

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AU - Poot, M.

AU - Etaki, S.

AU - Yamaguchi, H.

AU - Van Der Zant, H. S.J.

N1 - Funding Information: We thank Hidde Westra, Khasahir Babei Gavan, Abah Obinna, and Joris van der Spek for their help with the measurements. This work was supported in part by FOM, NWO (VICI grant), NanoNed, EU FP7 STREP project (QNEMS), and JSPS KAKENHI (Grant Nos. 20246064 and 23241046).

PY - 2011/7/4

Y1 - 2011/7/4

N2 - We have employed a feedback cooling scheme, which combines high-frequency mixing with digital signal processing. The frequency and damping rate of a 2 MHz micromechanical resonator embedded in a dc SQUID are adjusted with the feedback, and active cooling to a temperature of 14.3 mK is demonstrated. This technique can be applied to GHz resonators and allows for flexible control strategies.

AB - We have employed a feedback cooling scheme, which combines high-frequency mixing with digital signal processing. The frequency and damping rate of a 2 MHz micromechanical resonator embedded in a dc SQUID are adjusted with the feedback, and active cooling to a temperature of 14.3 mK is demonstrated. This technique can be applied to GHz resonators and allows for flexible control strategies.

UR - https://www.scopus.com/pages/publications/79960552171

U2 - 10.1063/1.3608148

DO - 10.1063/1.3608148

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VL - 99

JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Discrete-time quadrature feedback cooling of a radio-frequency mechanical resonator

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