dorsal/arxiv
View SchemaActuation of Micro-Optomechanical Systems Via Cavity-Enhanced Optical Dipole Forces
| Authors | Matt Eichenfield, Christopher P. Michael, Raviv Perahia, Oskar Painter |
|---|---|
| Categories | |
| ArXiv ID | physics/0702231 |
| URL | https://arxiv.org/abs/physics/0702231 |
| DOI | 10.1038/nphoton.2007.96 |
Abstract
We demonstrate a new type of optomechanical system employing a movable, micron-scale waveguide evanescently-coupled to a high-Q optical microresonator. Micron-scale displacements of the waveguide are observed for milliwatt(mW)-level optical input powers. Measurement of the spatial variation of the force on the waveguide indicates that it arises from a cavity-enhanced optical dipole force due to the stored optical field of the resonator. This force is used to realize an all-optical tunable filter operating with sub-mW control power. A theoretical model of the system shows the maximum achievable force to be independent of the intrinsic Q of the optical resonator and to scale inversely with the cavity mode volume, suggesting that such forces may become even more effective as devices approach the nanoscale.
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"abstract": "We demonstrate a new type of optomechanical system employing a movable,\nmicron-scale waveguide evanescently-coupled to a high-Q optical microresonator.\nMicron-scale displacements of the waveguide are observed for\nmilliwatt(mW)-level optical input powers. Measurement of the spatial variation\nof the force on the waveguide indicates that it arises from a cavity-enhanced\noptical dipole force due to the stored optical field of the resonator. This\nforce is used to realize an all-optical tunable filter operating with sub-mW\ncontrol power. A theoretical model of the system shows the maximum achievable\nforce to be independent of the intrinsic Q of the optical resonator and to\nscale inversely with the cavity mode volume, suggesting that such forces may\nbecome even more effective as devices approach the nanoscale.",
"arxiv_id": "physics/0702231",
"authors": [
"Matt Eichenfield",
"Christopher P. Michael",
"Raviv Perahia",
"Oskar Painter"
],
"categories": [
"physics.optics",
"physics.gen-ph"
],
"doi": "10.1038/nphoton.2007.96",
"title": "Actuation of Micro-Optomechanical Systems Via Cavity-Enhanced Optical Dipole Forces",
"url": "https://arxiv.org/abs/physics/0702231"
},
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