Scientific Results

Two-membrane cavity optomechanics

Year: 2018

Authors: Piergentili P., Catalini L., Bawaj M., Zippilli S., Malossi N., Natali R., Vitali D., Di Giuseppe G.

Autors Affiliation: [Piergentili, Paolo; Catalini, Letizia; Bawaj, Mateusz; Zippilli, Stefano; Malossi, Nicola; Natali, Riccardo; Vitali, David; Di Giuseppe, Giovanni] Univ Camerino, Sch Sci & Technol, Phys Div, I-62032 Camerino, MC, Italy.
[Piergentili, Paolo; Bawaj, Mateusz; Zippilli, Stefano; Malossi, Nicola; Natali, Riccardo; Vitali, David; Di Giuseppe, Giovanni] INFN, Sez Perugia, Perugia, Italy.
[Vitali, David] CNR INO, Lgo Enrico Fermi 6, I-50125 Florence, Italy.

Abstract: We study the optomechanical behaviour of a driven Fabry-Perot cavity containing two vibrating dielectric membranes. We characterize the cavity mode frequency shift as a function of the two-membrane positions, and report a similar to 2.47 gain in the optomechanical coupling strength of the membrane relative motion with respect to the single membrane case. This is achieved when the two membranes are properly positioned to form an inner cavity which is resonant with the driving field. We also show that this two-membrane system has the capability to tune the single-photon optomechanical coupling on demand, and represents a promising platform for implementing cavity optomechanics with distinct oscillators. Such a configuration has the potential to enable cavity optomechanics in the strong single-photon coupling regime, and to study synchronization in optically linked mechanical resonators.

Journal/Review: NEW JOURNAL OF PHYSICS

Volume: 20      Pages from: 083024-1  to: 083024-15

KeyWords: optical cavity; optomechanical systems; radiation pressure; resonators; membrane
DOI: 10.1088/1367-2630/aad85f

Citations: 8
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English