160 citations · 782 across the 21 of their papers we have counts for
19 papers · 1 filter
Probing gravitational interaction between milligram optomechanical oscillators operating in the quantum regime
M. Bonaldi, A. Borrielli, G. Di Giuseppe +12
We present an ongoing optomechanical experiment aimed at detecting gravitational interaction between milligram-scale oscillators, and exploring its interplay with quantum mechanics…
Large amplitude mechanical coherent states and detection of weak nonlinearities in cavity optomechanics
Wenlin Li, Paolo Piergentili, Francesco Marzioni +9
The generation of large-amplitude coherent states of a massive mechanical resonator, and their quantum-limited detection represent useful tools for quantum sensing and for testing…
Mechanical characterization of a membrane with an on-chip loss shield in a cryogenic environment
Francesco Marzioni, Riccardo Natali, Michele Bonaldi +9
The quantum transduction of an rf/microwave signal to the optical domain, and vice versa, paves the way for technologies that exploit the advantages of each domain to perform quant…
Two-membrane etalon
Francesco Marzioni, Riccardo Natali, Nicola Malossi +3
Optomechanics with semi-transparent membrane multi-oscillators in a high-finesse cavity is an established solution for designing the dispersive interaction, and reaching many achie…
Low Noise Opto-Electro-Mechanical Modulator for RF-to-Optical Transduction in Quantum Communications
Michele Bonaldi, Antonio Borrielli, Giovanni Di Giuseppe +7
In this work, we present an Opto-Electro-Mechanical Modulator (OEMM) for RF-to-optical transduction realized via an ultra-coherent nanomembrane resonator capacitively coupled to an…
Amplitude and phase noise in Two-membrane cavity optomechanics
Francesco Marzioni, Francesco Rasponi, Paolo Piergentili +3
Cavity optomechanics is a suitable field to explore quantum effects on macroscopic objects and develop quantum technology applications. A perfect control of the laser noise is requ…
Absolute determination of the single-photon optomechanical coupling rate via a Hopf bifurcation
Paolo Piergentili, Wenlin Li, Riccardo Natali +2
We establish a method for the determination of the single-photon optomechanical coupling rate, which characterizes the radiation pressure interaction in an optomechanical system. T…
Two-membrane cavity optomechanics: non-linear dynamics
Paolo Piergentili, Wenlin Li, Riccardo Natali +3
We study the non-linear dynamics of a multimode optomechanical system constituted of a driven high-finesse Fabry-Pérot cavity containing two vibrating dielectric membranes. The ana…
Sympathetic cooling of a radio-frequency LC circuit to its ground state in an optoelectromechanical system
Nicola Malossi, Paolo Piergentili, Jie Li +4
We present a complete theory for laser cooling of a macroscopic radio-frequency LC electrical circuit by means of an optoelectromechanical system, consisting of an optical cavity d…
Probing quantum gravity effects with quantum mechanical oscillators
M. Bonaldi, A. Borrielli, A. Chowdhury +13
Phenomenological models aiming to join gravity and quantum mechanics often predict effects that are potentially measurable in refined low-energy experiments. For instance, modified…
Two-membrane cavity optomechanics
Paolo Piergentili, Letizia Catalini, Mateusz Bawaj +5
We study the optomechanical behaviour of a driven Fabry-Pérot cavity containing two vibrating dielectric membranes. We characterize the cavity-mode frequency shift as a function of…
Normal--mode splitting in a weakly coupled optomechanical system
Massimiliano Rossi, Nenad Kralj, Stefano Zippilli +6
Normal--mode splitting is the most evident signature of strong coupling between two interacting subsystems. It occurs when two subsystems exchange energy between themselves faster…
Enhancement of three-mode optomechanical interaction by feedback-controlled light
Nenad Kralj, Massimiliano Rossi, Stefano Zippilli +6
We realise a feedback-controlled optical Fabry-Perot cavity in which the transmitted cavity output is used to modulate the input amplitude fluctuations. The resulting phase-depende…
Enhancing sideband cooling by feedback--controlled light
Massimiliano Rossi, Nenad Kralj, Stefano Zippilli +6
We realise a phase-sensitive closed-loop control scheme to engineer the fluctuations of the pump field which drives an optomechanical system, and show that the corresponding coolin…
Microfabrication of large area high-stress silicon nitride membranes for optomechanical devices
E. Serra, M. Bawaj, A. Borrielli +16
In view of the integration of membrane resonators with more complex MEMS structures, we developed a general fabrication procedure for circular shape SiN membranes using Deep Re…
Optomechanical sideband cooling of a thin membrane within a cavity
M. Karuza, C. Molinelli, M. Galassi +5
We present an experimental study of dynamical back-action cooling of the fundamental vibrational mode of a thin semitransparent membrane placed within a high-finesse optical cavity…
Trigger-disabling Acquisition System for Quantum Key Distribution failsafe against Self-blinding
M. Bawaj, M. Lucamarini, R. Natali +2
Modern single-photon detectors based on avalanche photodiodes offer increasingly higher triggering speeds, thus fostering their use in several fields, prominently in the recent are…
Quantum dynamics of a high-finesse optical cavity coupled with a thin semi-transparent membrane
C. Biancofiore, M. Karuza, M. Galassi +4
We study the quantum dynamics of the cavity optomechanical system formed by a Fabry-Perot cavity with a thin vibrating membrane at its center. We first derive the general multimode…
Quantum dynamics of a vibrational mode of a membrane within an optical cavity
M. Karuza, C. Biancofiore, M. Galassi +4
Optomechanical systems are a promising candidate for the implementation of quantum interfaces for storing and redistributing quantum information. Here we focus on the case of a hig…