All-fibre acousto-optic filter with low polarization sensitivity and no frequency shift
All-fibre acousto-optic filter with low polarization sensitivity and no frequency shift
An acousto-optic tunable filter based on an all-fiber null coupler, exhibiting low polarization sensitivity and zero net frequency shift, is demonstrated. The polarization dependence has been eliminated by simultaneously applying two acoustic waves that independently satisfy the phase-matching condition for the two Eigen-polarization states. A simple double-pass arrangement is employed to exactly cancel the net frequency shift and to provide an enhanced spectral sidelobe suppression of better than -17 dB.
461-453
Yun, Seok Hyun
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Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
April 1997
Yun, Seok Hyun
7ec2455c-3f20-4834-8102-065b7f209e49
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Yun, Seok Hyun, Richardson, D.J., Culverhouse, D.O. and Birks, T.A.
(1997)
All-fibre acousto-optic filter with low polarization sensitivity and no frequency shift.
IEEE Photonics Technology Letters, 9 (4), .
(doi:10.1109/68.559388).
Abstract
An acousto-optic tunable filter based on an all-fiber null coupler, exhibiting low polarization sensitivity and zero net frequency shift, is demonstrated. The polarization dependence has been eliminated by simultaneously applying two acoustic waves that independently satisfy the phase-matching condition for the two Eigen-polarization states. A simple double-pass arrangement is employed to exactly cancel the net frequency shift and to provide an enhanced spectral sidelobe suppression of better than -17 dB.
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Published date: April 1997
Identifiers
Local EPrints ID: 78040
URI: http://eprints.soton.ac.uk/id/eprint/78040
ISSN: 1041-1135
PURE UUID: 3880eb44-1597-4e1d-b17d-207fb5d36d64
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:35
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Author:
Seok Hyun Yun
Author:
D.O. Culverhouse
Author:
T.A. Birks
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