Cavity optomechanics in a fiber cavity: the role of stimulated Brillouin scattering

We study the role of stimulated Brillouin scattering in a fiber cavity by numerical simulations and a simple theoretical model and find good agreement between experiment, simulation and theory. We also investigate an optomechanical system based on a fiber cavity in the presence of the nonlinear Brillouin scattering. Using simulation and theory, we show that this hybrid optomechanical system increases optomechanical damping for low mechanical resonance frequencies in the unresolved sideband regime. Furthermore, optimal damping occurs for blue detuning in stark contrast to standard optomechanics. We investigate whether this hybrid optomechanical system is capable of cooling a mechanical oscillator to the quantum ground state.

Automated summary

The study investigates the role of stimulated Brillouin scattering in a fiber cavity and an optomechanical system based on nonlinear Brillouin scattering. It shows optimal damping for low mechanical resonance frequencies in the hybrid optomechanical system, with blue detuning providing the best damping results compared to standard optomechanics. The study also explores the potential of cooling a mechanical oscillator to the quantum ground state.