Investigation into the writing dynamics of planar Bragg gratings using pulsed 213 nm radiation
Investigation into the writing dynamics of planar Bragg gratings using pulsed 213 nm radiation
We present the first substantive investigation into the photosensitivity response of planar-doped silica to pulsed 213 nm light. We look at the response over a broad range of fluences and average powers to identify suitable regimes for simultaneous waveguide and Bragg grating writing. Unlike previously reported work, we do not observe any clear evidence of a similar non-linear photosensitivity response in B/Ge doped silica. We discuss laser-induced damage, saturation of photosensitivity, and grating response. This paper presents writing regimes for small spot direct UV writing where the photosensitivity and grating response are optimum, thereby confirming the suitability of the fabrication approach for complex devices.
495-503
Ahmed, Q. Salman
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Field, James W.
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Holmes, Christopher
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Oo, Swe Zin
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Mennea, Paolo Luciano
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Bannerman, Rex
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Cecil, Rod
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Churchill, Glenn
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Gawith, Corin
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Smith, Peter G.R.
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Gow, Paul C.
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Gates, James
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26 January 2023
Ahmed, Q. Salman
06faad16-1b94-4f09-b9d0-83e3e3223ef2
Field, James W.
87ce1146-333d-489c-839d-b6f654049abc
Holmes, Christopher
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Oo, Swe Zin
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Mennea, Paolo Luciano
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Bannerman, Rex
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Cecil, Rod
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Churchill, Glenn
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Gawith, Corin
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Smith, Peter G.R.
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Gow, Paul C.
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Gates, James
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Ahmed, Q. Salman, Field, James W., Holmes, Christopher, Oo, Swe Zin, Mennea, Paolo Luciano, Bannerman, Rex, Cecil, Rod, Churchill, Glenn, Gawith, Corin, Smith, Peter G.R., Gow, Paul C. and Gates, James
(2023)
Investigation into the writing dynamics of planar Bragg gratings using pulsed 213 nm radiation.
Optical Materials Express, 13 (2), .
(doi:10.1364/OME.481901).
Abstract
We present the first substantive investigation into the photosensitivity response of planar-doped silica to pulsed 213 nm light. We look at the response over a broad range of fluences and average powers to identify suitable regimes for simultaneous waveguide and Bragg grating writing. Unlike previously reported work, we do not observe any clear evidence of a similar non-linear photosensitivity response in B/Ge doped silica. We discuss laser-induced damage, saturation of photosensitivity, and grating response. This paper presents writing regimes for small spot direct UV writing where the photosensitivity and grating response are optimum, thereby confirming the suitability of the fabrication approach for complex devices.
Text
ome-13-2-495
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Accepted/In Press date: 18 January 2023
Published date: 26 January 2023
Identifiers
Local EPrints ID: 474561
URI: http://eprints.soton.ac.uk/id/eprint/474561
ISSN: 2159-3930
PURE UUID: aee9b889-3ed9-4e2b-915e-82c1a74ab81e
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Date deposited: 24 Feb 2023 17:46
Last modified: 30 Jan 2025 02:51
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Contributors
Author:
Q. Salman Ahmed
Author:
James W. Field
Author:
Swe Zin Oo
Author:
Paolo Luciano Mennea
Author:
Rex Bannerman
Author:
Rod Cecil
Author:
Glenn Churchill
Author:
Corin Gawith
Author:
Peter G.R. Smith
Author:
Paul C. Gow
Author:
James Gates
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