Quantum thermometry in optomechanics
A. Chowdhury (Istituto Nazionale di Fisica Nucleare - Sezione di Firenze, IMAMOTER - C.N.R. Sensors and Nanomaterials Laboratory)
P. Vezio (European Laboratory for Non-linear Spectroscopy (LENS))
M. Bonaldi (Trento Institute for Fundamental Physics and Applications, Fondazione Bruno Kessler)
A. Borrielli (Fondazione Bruno Kessler, Trento Institute for Fundamental Physics and Applications)
F. Marino (IMAMOTER - C.N.R. Sensors and Nanomaterials Laboratory, Sezione di Firenze)
B. Morana (TU Delft - Electrical Engineering, Mathematics and Computer Science, TU Delft - Electrical Engineering, Mathematics and Computer Science, Fondazione Bruno Kessler)
G. Pandraud (TU Delft - Electrical Engineering, Mathematics and Computer Science, TU Delft - Electrical Engineering, Mathematics and Computer Science)
A. Pontin (University College London)
P. M. Sarro (TU Delft - Electrical Engineering, Mathematics and Computer Science, TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
We describe a method to control the cavity detuning in optomechanics experiments. This helps accurate measurements of the asymmetry in the motional sidebands, that testify the quantum behavior of the oscillator and quantifies its occupation number.