Scientific Results

Frequency-noise cancellation in optomechanical systems for ponderomotive squeezing

Year: 2014

Authors: Pontin A., Biancofiore C., Serra E., Borrielli A., Cataliotti F. S., Marino F., Prodi G. A., Bonaldi M., Marin F., Vitali D.

Autors Affiliation: Istituto Nazionale di Fisica Nucleare (INFN), Gruppo Collegato di Trento, I-38123 Povo (TN), Italy;
Dipartimento di Fisica, Università di Trento, I-38123 Povo (TN), Italy;
School of Science and Technology, Physics Division, University of Camerino, via Madonna delle Carceri, 9, I-62032 Camerino (MC), Italy;
INFN, Sezione di Perugia, Italy;
Interdisciplinary Laboratory for Computational Science (LISC), FBK-University of Trento, I-38123 Povo (TN), Italy;
Department of Microelectronics and Computer Engineering/ECTM/DIMES, Feldmanweg, 17-2628 CT Delft, P.O. Box 5053, 2600 GB Delft, The Netherlands;
Institute of Materials for Electronics and Magnetism, Nanoscience-Trento-FBK Division, I-38123 Povo (TN), Italy;
Dipartimento di Fisica e Astronomia, Università di Firenze, Via Sansone 1, I-50019 Sesto Fiorentino (FI), Italy;
European Laboratory for Non-Linear Spectroscopy (LENS), Via Carrara 1, I-50019 Sesto Fiorentino (FI), Italy;
INFN, Sezione di Firenze, Via Sansone 1, I-50019 Sesto Fiorentino (FI), Italy;
CNR-Istituto Nazionale di Ottica, Via Carrara 1, I-50019 Sesto Fiorentino (FI), Italy.

Abstract: Ponderomotive squeezing of the output light of an optical cavity has been recently observed in the megahertz range in two different cavity optomechanical devices. Quadrature squeezing becomes particularly useful at lower spectral frequencies, for example, in gravitational wave interferometers, despite being more sensitive to excess phase and frequency noise. Here we show a phase and frequency-noise cancellation mechanism due to destructive interference which can facilitate the production of ponderomotive squeezing in the kilohertz range and we demonstrate it experimentally in an optomechanical system formed by a Fabry-Perot cavity with a micromechanical mirror.


Volume: 89 (3)      Pages from: 033810  to: 033810

More Information: This work has been supported by the European Commission (ITN-Marie Curie Project cQOM), by MIUR (PRIN 20102011), and by the INFN (HUMOR project).
DOI: 10.1103/PhysRevA.89.033810

Citations: 21
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