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: Univ Camerino, Sch Sci & Technol, Phys Div, I-62032 Camerino, MC, Italy; INFN, Sez Perugia, Perugia, Italy; 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: 83024-1  to: 83024-15

More Information: Authors thank M Rossi, N Kralj, A Borrielli, G Pandraud, and E Serra for the single membrane spectrum obtained in the alignment procedure of the optomechanical system reported in [27, 28, 31]. The authors also thank R Gunnella for the use of the spectrometer, and R Tossici for optical fiber patches. PP acknowledges support from the European Union’s Horizon 2020 Programme for Research and Innovation under grant agreement No. 722923 (Marie Curie ETN-OMT). We also acknowledge the support of the European Union Horizon 2020 Programme for Research and Innovation through the Project No. 732894 (FET Proactive HOT).
KeyWords: optical cavity; optomechanical systems; radiation pressure; resonators; membrane
DOI: 10.1088/1367-2630/aad85f

ImpactFactor: 3.773
Citations: 65
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