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Grating-frustrated coupler : a novel channel-dropping filter in single-mode optical fibre

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), pp. 180-182. (doi:10.1364/OL.19.000180).

Record type: Article


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: 1994


Local EPrints ID: 78247
ISSN: 0146-9592
PURE UUID: b896309a-374f-42cc-b3b7-868281a902f8

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:25

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Author: J.L. Archambault
Author: P.St.J. Russell
Author: S. Barcelos
Author: P. Hua
Author: L. Reekie

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