Optical excitation and characterization of gigahertz acoustic resonances in optical fiber tapers

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Transverse acoustic resonances at gigahertz frequencies are excited by electrostriction in the few-micrometer-thick waists of low-loss optical fiber tapers of up to 40 cm long. A pump-probe technique is used in which the resonances are excited by a train of optical pulses and probed in a Sagnac interferometer. Strong radially symmetric acoustic resonances are observed and the dependence of their frequencies on taper thickness is investigated. Such easily reconfigurable acousto-optic interactions may have applications in the high-frequency mode locking of fiber lasers. (C) 2008 American Institute of Physics.
Publisher
AMER INST PHYSICS
Issue Date
2008-09
Language
English
Article Type
Article
Keywords

SCATTERING

Citation

APPLIED PHYSICS LETTERS, v.93, no.13

ISSN
0003-6951
DOI
10.1063/1.2995863
URI
http://hdl.handle.net/10203/93189
Appears in Collection
PH-Journal Papers(저널논문)
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