Quantum noise in a nano mechanical Duffing resonator

Details Quantum noise in a nano mechanical Duffing resonator Quantum noise in a nano mechanical Duffing resonator

2008-04-22

arxiv.org/abs/0804.3618v1

Physics

Quantum Physics

submitted to the Focus Issue on 'Mechanical Systems at the Quantum Limit', edited by Markus Aspelmeyer and Keith Schwab

Scientific paper

10.1088/1367-2630/10/10/105020

We determine the small signal gain and noise response of an amplifier based
on the nonlinear response of a quantum nanomechanical resonator. The resonator
is biased in the nonlinear regime by a strong harmonic bias force and we
determine the response to a small additional driving signal detuned with
respect to the bias force.

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