Scientific Results

Dynamical back-action effects in low loss optomechanical oscillators

Year: 2015

Authors: Pontin A., Bonaldi M., Borrielli A., Marino F., Marconi L., Bagolini A., Pandraud G., Serra E., Prodi G.A., Marin F.

Autors Affiliation: INFN, Trento Institute for Fundamental Physics and Application, I-38123, Povo, (TN), Italy;
Dipartimento di Fisica, Università di Trento, I-38123, Povo, Italy;
Institute of Materials for Electronics and Magnetism, Nanoscience-Trento-FBK Division, 38123, Povo, (TN), Italy;
INFN, Sezione di Firenze, 50019, Sesto Fiorentino, (FI), Italy;
CNR-INO, L.go Enrico Fermi 6, I-50125, Firenze, Italy;
LENS, Via Carrara 1, I-50019, Sesto Fiorentino, (FI), Italy;
Microtechnology Laboratory FBK-CMM, 38123, Povo, (TN), Italy;
DIMES Technology Center-TU Delft, Feldmannweg 17, 2628, CT Delft, The Netherlands;
Interdisciplinary Laboratory for Computational Science (LISC), FBK, University of Trento, I-38123, Povo, (TN), Italy;
Dipartimento di Fisica e Astronomia, Università di Firenze, Via Sansone 1, I-50019, Sesto Fiorentino, (FI), Italy.

Abstract: The problem of the stability of a cavity optomechanical system based on an oscillator having at the same time low optical and mechanical losses is addressed. As it is the aim to extend the use of optical squeezing as a tool for improving quantum limited displacement sensing at low frequency, a family of opto-mechanical devices designed to work at frequencies of about 100 kHz was developed. The devices actually meet the initial design goals, but new requirements have emerged from the analysis of their behavior in optical cavities, due to the interaction between the cavity locking system and the low order normal modes of the devices.

Journal/Review: ANNALEN DER PHYSIK

Volume: 527 (1-2)      Pages from: 89  to: 99

More Information: This work has been supported by MIUR (PRIN 2010-2011) and by INFN (HUMOR project). A. Borrielli acknowledges support from the Italian Ministry of education, University and Research (MIUR) under the
KeyWords: cavity quantum optomechanics; micromirrors; optical damping; optomechanical systems; radiation pressure interaction
DOI: 10.1002/andp.201400093

Citations: 3
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