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All-fibre polariser based on a null taper coupler

All-fibre polariser based on a null taper coupler
All-fibre polariser based on a null taper coupler
An entirely new type of single-mode all-fiber polarizer is reported. The polarizer is based on a narrow circularly fused null taper coupler, which was twisted through 45° after being made. The polarizing effect is due to the excitation of hybrid second modes in the coupler waist. An extinction ratio of 15 dB and an insertion loss of 0.2 dB have been obtained, with scope for further improvement.
0146-9592
1371-1373
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275
Farwell, S.G.
ed617700-b4e8-4e94-bc3c-16a9d06a7d35
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Culverhouse, D.O.
d437089f-b550-4144-853b-021718ad8275
Farwell, S.G.
ed617700-b4e8-4e94-bc3c-16a9d06a7d35
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a

Birks, T.A., Culverhouse, D.O., Farwell, S.G. and Russell, P.St.J. (1995) All-fibre polariser based on a null taper coupler. Optics Letters, 20 (12), 1371-1373. (doi:10.1364/OL.20.001371).

Record type: Article

Abstract

An entirely new type of single-mode all-fiber polarizer is reported. The polarizer is based on a narrow circularly fused null taper coupler, which was twisted through 45° after being made. The polarizing effect is due to the excitation of hybrid second modes in the coupler waist. An extinction ratio of 15 dB and an insertion loss of 0.2 dB have been obtained, with scope for further improvement.

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Published date: 1995
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 78154
URI: http://eprints.soton.ac.uk/id/eprint/78154
DOI: doi:10.1364/OL.20.001371
ISSN: 0146-9592
PURE UUID: 5b64b303-f85b-454b-8bb9-1e2b1a9a08f9

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:07

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Contributors

Author: T.A. Birks
Author: D.O. Culverhouse
Author: S.G. Farwell
Author: P.St.J. Russell

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