Nondestructive characterization of fiber couplers by a local perturbation method
Nondestructive characterization of fiber couplers by a local perturbation method
A technique for the nondestructive characterization of fiber couplers is demonstrated. A CO2 laser beam is scanned along the coupler length inducing a local perturbation to the coupler eigenmodes. Information about the power evolution and the coupling-constant variation along the coupler length can be obtained by applying an asymmetric and symmetric perturbation, respectively. Experimental results of the characterization of a half- and a full-cycle fiber coupler using this technique are presented.
1333-1335
Alegria, C.
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Ghiringhelli, F.
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Feced, R.
b62081fc-fcad-48e6-a957-0ec55f6efe7f
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
2002
Alegria, C.
d1faa0e1-a7fb-4c9f-b02a-cdcc769a72f9
Ghiringhelli, F.
773894f2-f092-452f-84ae-98e3b64aca3f
Feced, R.
b62081fc-fcad-48e6-a957-0ec55f6efe7f
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Alegria, C., Ghiringhelli, F., Feced, R. and Zervas, M.N.
(2002)
Nondestructive characterization of fiber couplers by a local perturbation method.
IEEE Photonics Technology Letters, 14 (9), .
(doi:10.1109/LPT.2002.801076).
Abstract
A technique for the nondestructive characterization of fiber couplers is demonstrated. A CO2 laser beam is scanned along the coupler length inducing a local perturbation to the coupler eigenmodes. Information about the power evolution and the coupling-constant variation along the coupler length can be obtained by applying an asymmetric and symmetric perturbation, respectively. Experimental results of the characterization of a half- and a full-cycle fiber coupler using this technique are presented.
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Published date: 2002
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Local EPrints ID: 13746
URI: http://eprints.soton.ac.uk/id/eprint/13746
ISSN: 1041-1135
PURE UUID: 031aa8bf-87b5-42d0-9205-81c0412561e6
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Date deposited: 03 Jan 2005
Last modified: 16 Mar 2024 02:41
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Author:
C. Alegria
Author:
F. Ghiringhelli
Author:
R. Feced
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