منابع مشابه
Superfluid Brillouin optomechanics
Optomechanical systems couple an electromagnetic cavity to a mechanical resonator which typically is a solid object. The range of phenomena accessible in these systems depends on the properties of the mechanical resonator and on the manner in which it couples to the cavity fields. In both respects, a mechanical resonator formed from superfluid liquid helium o ers several appealing features: low...
متن کاملBrillouin Optomechanics in Coupled Silicon Microcavities
The simultaneous control of optical and mechanical waves has enabled a range of fundamental and technological breakthroughs, from the demonstration of ultra-stable frequency reference devices, to the exploration of the quantum-classical boundaries in optomechanical laser-cooling experiments. More recently, such an optomechanical interaction has been observed in integrated nano-waveguides and mi...
متن کاملSuperfluid optomechanics: coupling of a superfluid to a superconducting condensate
We investigate the low loss acoustic motion of superfluid He parametrically coupled to a very low loss, superconducting Nb TE011 microwave resonator, forming a gram-scale, sideband resolved, optomechanical system. We demonstrate the detection of a series of acoustic modes with quality factors as high as × 1.4 107. At higher temperatures, the lowest dissipation modes are limited by an intrinsic ...
متن کاملBrillouin cavity optomechanics with microfluidic devices.
Cavity optomechanics allows the parametric coupling of phonon- and photon-modes in microresonators and is presently investigated in a broad variety of solid-state systems. Optomechanics with superfluids has been proposed as a path towards ultra-low optical- and mechanical-dissipation. However, there have been no optomechanics experiments reported with non-solid phases of matter. Direct liquid i...
متن کاملOptomechanics in superfluid helium coupled to a fiber-based cavity
Presented in this paper are measurements of an optomechanical device in which various acoustic modes of a sample of superfluid helium couple to a fiber-based optical cavity. In contrast with recent work on the paraxial acoustic mode confined by the cavity mirrors (Kashkanova et al Nat. Phys. 2016 (https://doi.org/10.1038/NPHYS3900)), we focus specifically on the acoustic modes associated with t...
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ژورنال
عنوان ژورنال: Nature Physics
سال: 2016
ISSN: 1745-2473,1745-2481
DOI: 10.1038/nphys3900