Proceedings ArticleDOI
Adiabatic silica microspike with high mechanical Q-factor
TLDR
In this paper, a novel mechanical resonator based on a tapered fiber microspike was designed to yield Q-factors as high as 217,000 while offering adiabatic single mode optical guidance.Abstract:
A novel mechanical resonator, based on a tapered fibre microspike, is engineered to yield Q-factors as high as 217,000 while offering adiabatic single mode optical guidance.read more
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Proceedings ArticleDOI
Optically Driven Self-Oscillations of a Silica Nanospike at Low Gas Pressures
TL;DR: In this paper, the authors reported light-driven instability and optomechanical self-oscillation of a fused silica "nanospike" at low gas pressures. But their experiment was performed at the endface of a hollow core photonic crystal fiber (HC-PCF).
References
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Optomechanical Crystals
TL;DR: In this paper, the authors presented the design and experimental realization of strongly coupled optical and mechanical modes in a planar, periodic nanostructure on a silicon chip, where 200-Terahertz photons are co-localized with mechanical modes of Gigahertz frequency and 100-femtogram mass.
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Tapered single-mode fibres and devices. I. Adiabaticity criteria
TL;DR: In this article, two complementary delineation criteria are presented which provide guidelines to the design of relatively short, low-loss tapered fibres and devices, which are used to explain anomalous loss effects in depressed-cladding and W-fibres, as well as the difficulty in fabricating low loss devices by tapering such fibres.
Journal ArticleDOI
Phonon-tunnelling dissipation in mechanical resonators
TL;DR: An efficient numerical solver, based on the 'phonon-tunnelling' approach, capable of predicting the design-limited damping of high-quality mechanical resonators, is introduced, representing a major step towards accurate prediction of the mechanical quality factor.
Proceedings Article
Optomechanical self-stabilization and hysteresis of a free-standing silica nanospike inside a hollow-core photonic crystal fibre
TL;DR: In this article, the optical tweezers were used for propulsion of particles in hollow-core photonic crystal fiber (HC-PCF) for laser cooling, where the propulsion was shown to change the optical properties of the system.