Feedback Cooling of a Strained GaAs Micromechanical Beam Resonator
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概要
- 論文の詳細を見る
Active feedback cooling is an important technique for achieving the quantum ground state in micro/nanomechanical resonators. We studied the effect of tensile strain on the achievable minimum temperature and quantum occupation number by fabricating a doubly clamped beam resonator from a GaAs/InAlAs strained layer heterostructure. Despite the increase of the minimum temperature, we demonstrate that the occupation number can be decreased by applying tensile strain to the mechanical resonator.
- Japan Society of Applied Physicsの論文
- 2010-06-25
著者
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YAMAGUCHI Hiroshi
NTT Basic Research Laboratories
-
ONOMITSU Koji
NTT Basic Research Laboratories
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Onomitsu Koji
Ntt Basic Research Laboratory
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Watanabe Takayuki
NTT Basic Research Laboratory, Atsugi, Kanagawa 243-0198, Japan
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Watanabe Takayuki
Ntt Basic Research Laboratory
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Yamaguchi Hiroshi
Ntt Basic Research Laboratory
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