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Intermodal coupling by periodic microbending in dual-core fibres: comparison of experiment and theory

Intermodal coupling by periodic microbending in dual-core fibres: comparison of experiment and theory
Intermodal coupling by periodic microbending in dual-core fibres: comparison of experiment and theory
Grating coupling (caused by periodic microbending) between the quasi-even and quasi-odd normal modes of dual-core fibers is treated. and an accurate design formula is derived for the coupling coefficient. An analytical form for the intrinsic coupling coefficient of two dissimilar cores is also given. Good agreement is found between theory and experimental data on fibers perturbed either by acoustic flexural waves or fixed mechanical gratings. The paper provides useful design rules for dual-core fiber devices.
0733-8724
24-27
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Ober, M.H.
381b7d1f-7407-4519-b1b0-b7175a07ec80
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Birks, T.A.
65bb633e-6fa2-40f7-a1c6-748bb5ca2178
Ober, M.H.
381b7d1f-7407-4519-b1b0-b7175a07ec80
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a

Dong, L., Birks, T.A., Ober, M.H. and Russell, P.St.J. (1994) Intermodal coupling by periodic microbending in dual-core fibres: comparison of experiment and theory. IEEE Journal of Lightwave Technology, 12 (1), 24-27. (doi:10.1109/50.265730).

Record type: Article

Abstract

Grating coupling (caused by periodic microbending) between the quasi-even and quasi-odd normal modes of dual-core fibers is treated. and an accurate design formula is derived for the coupling coefficient. An analytical form for the intrinsic coupling coefficient of two dissimilar cores is also given. Good agreement is found between theory and experimental data on fibers perturbed either by acoustic flexural waves or fixed mechanical gratings. The paper provides useful design rules for dual-core fiber devices.

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Published date: January 1994
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 78309
URI: http://eprints.soton.ac.uk/id/eprint/78309
ISSN: 0733-8724
PURE UUID: c9648c2f-3017-44f4-baa4-a0e0b6884a36

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

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Contributors

Author: L. Dong
Author: T.A. Birks
Author: M.H. Ober
Author: P.St.J. Russell

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