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Low loss all-fibre acousto-optic tunable filter

Low loss all-fibre acousto-optic tunable filter
Low loss all-fibre acousto-optic tunable filter
We report significant advances in the development of simple all-fiber, tunable acousto-optic spectral filters based on null couplers. Close to ideal device performance characteristics have been obtained for the first time through improved control of the coupler uniformity. Furthermore, using a double pass arrangement, we demonstrate filter bandwidth reduction and improved side-lobe suppression of -20dB. The double pass configuration is also shown to double the frequency shifts obtainable from such devices
0146-9592
96-98
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275
Yun, S.H.
b0c8a6b7-8fdb-45a6-b298-25bc2fbcf3fd
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Farwell, S.G.
ed617700-b4e8-4e94-bc3c-16a9d06a7d35
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275
Yun, S.H.
b0c8a6b7-8fdb-45a6-b298-25bc2fbcf3fd
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Farwell, S.G.
ed617700-b4e8-4e94-bc3c-16a9d06a7d35
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a

Culverhouse, D.O., Yun, S.H., Richardson, D.J., Birks, T.A., Farwell, S.G. and Russell, P.St.J. (1997) Low loss all-fibre acousto-optic tunable filter. Optics Letters, 22 (2), 96-98. (doi:10.1364/OL.22.000096).

Record type: Article

Abstract

We report significant advances in the development of simple all-fiber, tunable acousto-optic spectral filters based on null couplers. Close to ideal device performance characteristics have been obtained for the first time through improved control of the coupler uniformity. Furthermore, using a double pass arrangement, we demonstrate filter bandwidth reduction and improved side-lobe suppression of -20dB. The double pass configuration is also shown to double the frequency shifts obtainable from such devices

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Published date: 1997

Identifiers

Local EPrints ID: 78065
URI: https://eprints.soton.ac.uk/id/eprint/78065
ISSN: 0146-9592
PURE UUID: ae877495-b786-4e2d-b747-1c0a53a385dd
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 11 Mar 2010
Last modified: 20 Jul 2019 01:24

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