Tunable optical delays based on Brillouin dynamic grating

Title
Tunable optical delays based on Brillouin dynamic grating
Authors
송광용이관일이상배윤혁진
Keywords
fiber; Brilluonin sensor; dynamic grating
Issue Date
2009-12
Publisher
2009 Photonics conference
Citation
, 710-711
Abstract
We demonstrate a novel kind of tunable optical delays based on dynamic grating generated by Brillouin scattering in an optical fiber. An axial strain gradient is applied to a 15 m section of a polarization-maintaining fiber, and the Brillouin reflection grating is generated position-selectively by controlling the optical frequencies of Brillouin pump waves. Tunable time delays of up to 132 ns are achieved with an 82 ns Gaussian pulse.
URI
http://pubs.kist.re.kr/handle/201004/36961
Appears in Collections:
KIST Publication > Conference Paper
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