Two-Membrane Cavity Optomechanics: Linear and Non-Linear Dynamics

Year: 2022

Authors: Piergentili P.; Natali R.; Vitali D.; Di Giuseppe G.

Autors Affiliation: Univ Camerino, Sch Sci & Technol, Phys Div, I-62032 Camerino, Italy; Ist Nazl Fis Nucl INFN, Sez Perugia, I-06123 Perugia, Italy; CNR, INO, Lgo Enrico Fermi 6, I-50125 Florence, Italy.

Abstract: In this paper, we review the linear and non-linear dynamics of an optomechanical system made of a two-membrane etalon in a high-finesse Fabry-Pyrot cavity. This two-membrane setup has the capacity to modify on demand the single-photon optomechanical coupling, and in the linearized interaction regime to cool simultaneously two mechanical oscillators. It is a promising platform for realizing cavity optomechanics with multiple resonators. In the non-linear regime, an analytical approach based on slowly varying amplitude equations allows us to derive a consistent and full characterization of the non-linear displacement detection, enabling a truthful detection of membrane displacements much above the usual linear sensing limited by the cavity linewidth. Such a high quality system also shows a pre-synchronization regime.

Journal/Review: PHOTONICS

Volume: 9 (2)      Pages from: 99-1  to: 99-17

More Information: This research was funded by the European Union Horizon 2020 Programme for Research and Innovation through the Project No. 732894 (FET Proactive HOT) and the Project No. 731473 QuaSeRT funded by the QuantERA ERA-NET Cofund in Quantum Technologies. P. Piergentili acknowledges support from the European Union´s Horizon 2020 Programme for Research and Innovation under grant agreement No. 722923 (Marie Curie ETN-OMT).
KeyWords: radiation pressure; optomechanical systems; optical cavity; linear dynamics; optical cooling; non-linear dynamics
DOI: 10.3390/photonics9020099

Citations: 3
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