Grating-frustrated coupler: a novel channel-dropping filter in single-mode optical fibre
Grating-frustrated coupler: a novel channel-dropping filter in single-mode optical fibre
A low-insertion-loss, all-single-mode fiber, wavelength-division-multiplexing filter comprising a four-port polished coupler and a strong fiber grating is demonstrated. The device operated in a novel way by a process we call grating-frustrated directional coupling. A fiber grating, present in only one half of the coupler, frustrates the transference of power to the other half within a narrow wavelength range. The performance of a prototype device - a 1535-nm channel-dropping filter with 0.7-nm bandwidth, 70% peak transmission, and 13-dB isolation-shows great promise for wavelength-division-multiplexing and line-filtering applications.
180-182
Archambault, J.L.
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Russell, P.St.J.
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Barcelos, S.
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Hua, P.
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Reekie, L.
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1 February 1994
Archambault, J.L.
22245ae0-fbe9-4d25-a850-f3b38c78848a
Russell, P.St.J.
77db5e8d-8223-4806-ae60-a106619a022a
Barcelos, S.
210653b9-7166-403d-8883-818598ef090f
Hua, P.
92fa76e2-970b-45f5-a459-d9f95e735303
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Archambault, J.L., Russell, P.St.J., Barcelos, S., Hua, P. and Reekie, L.
(1994)
Grating-frustrated coupler: a novel channel-dropping filter in single-mode optical fibre.
Optics Letters, 19 (3), .
(doi:10.1364/OL.19.000180).
Abstract
A low-insertion-loss, all-single-mode fiber, wavelength-division-multiplexing filter comprising a four-port polished coupler and a strong fiber grating is demonstrated. The device operated in a novel way by a process we call grating-frustrated directional coupling. A fiber grating, present in only one half of the coupler, frustrates the transference of power to the other half within a narrow wavelength range. The performance of a prototype device - a 1535-nm channel-dropping filter with 0.7-nm bandwidth, 70% peak transmission, and 13-dB isolation-shows great promise for wavelength-division-multiplexing and line-filtering applications.
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Published date: 1 February 1994
Identifiers
Local EPrints ID: 78247
URI: http://eprints.soton.ac.uk/id/eprint/78247
ISSN: 0146-9592
PURE UUID: b896309a-374f-42cc-b3b7-868281a902f8
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:09
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Contributors
Author:
J.L. Archambault
Author:
P.St.J. Russell
Author:
S. Barcelos
Author:
P. Hua
Author:
L. Reekie
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