Chirped fibre Bragg gratings fabricated using etched tapers
Chirped fibre Bragg gratings fabricated using etched tapers
We have demonstrated a technique capable of controllably producing fibre Bragg gratings with any arbitrary chirp profiles. The technique involves making a taper on the outer cladding of a section of fibre by differential etching along the length of the fibre. A grating is then written over the taper in the usual manner. A strain gradient develops over the taper when a tension is applied to the fibre and this strain gradient is used to introduce a chirp in the gratings. The chirp can be introduced either during or after grating writing. Tension can be used to tune the central wavelength and chirp the gratings if desired. Linearly chirped gratings with bandwidth up to 4.8nm have been produced to demonstrate the controllability of the technique. These gratings are ideal for use in dispersion compensation and optical pulse shaping.
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Cruz, J.L.
91d9d692-d3f1-473e-a4ee-0e6e9be663e3
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Tucknott, J.A.
e5030b83-5077-498c-821f-af0b3b68fb10
December 1995
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Cruz, J.L.
91d9d692-d3f1-473e-a4ee-0e6e9be663e3
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
Tucknott, J.A.
e5030b83-5077-498c-821f-af0b3b68fb10
Dong, L., Cruz, J.L., Reekie, L. and Tucknott, J.A.
(1995)
Chirped fibre Bragg gratings fabricated using etched tapers.
20th Australian Conference on Optical Fibre Technology (ACOFT '95), Coolum Beach, Australia.
03 - 06 Dec 1995.
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Conference or Workshop Item
(Paper)
Abstract
We have demonstrated a technique capable of controllably producing fibre Bragg gratings with any arbitrary chirp profiles. The technique involves making a taper on the outer cladding of a section of fibre by differential etching along the length of the fibre. A grating is then written over the taper in the usual manner. A strain gradient develops over the taper when a tension is applied to the fibre and this strain gradient is used to introduce a chirp in the gratings. The chirp can be introduced either during or after grating writing. Tension can be used to tune the central wavelength and chirp the gratings if desired. Linearly chirped gratings with bandwidth up to 4.8nm have been produced to demonstrate the controllability of the technique. These gratings are ideal for use in dispersion compensation and optical pulse shaping.
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Published date: December 1995
Venue - Dates:
20th Australian Conference on Optical Fibre Technology (ACOFT '95), Coolum Beach, Australia, 1995-12-03 - 1995-12-06
Identifiers
Local EPrints ID: 77005
URI: http://eprints.soton.ac.uk/id/eprint/77005
PURE UUID: b7deb023-8431-496d-b1f9-a2b5fb27c1df
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Date deposited: 11 Mar 2010
Last modified: 13 Mar 2024 23:42
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Contributors
Author:
L. Dong
Author:
J.L. Cruz
Author:
L. Reekie
Author:
J.A. Tucknott
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