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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
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.

2159-3930
495-503
Ahmed, Q. Salman
06faad16-1b94-4f09-b9d0-83e3e3223ef2
Field, James W.
87ce1146-333d-489c-839d-b6f654049abc
Holmes, Christopher
16306bb8-8a46-4fd7-bb19-a146758e5263
Oo, Swe Zin
47636ccf-0cd8-485b-a19d-f8af064420d9
Mennea, Paolo Luciano
cbd1947e-b285-4f3e-ba7c-007c8b9ce83a
Bannerman, Rex
a6b58fe0-006c-4564-8a14-9a325d9e5757
Cecil, Rod
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Churchill, Glenn
aca4f3c5-209d-4ca0-beb8-04a2a045123e
Gawith, Corin
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Gow, Paul C.
193394b1-fe2d-41de-a9aa-6de7e5925b18
Gates, James
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Ahmed, Q. Salman
06faad16-1b94-4f09-b9d0-83e3e3223ef2
Field, James W.
87ce1146-333d-489c-839d-b6f654049abc
Holmes, Christopher
16306bb8-8a46-4fd7-bb19-a146758e5263
Oo, Swe Zin
47636ccf-0cd8-485b-a19d-f8af064420d9
Mennea, Paolo Luciano
cbd1947e-b285-4f3e-ba7c-007c8b9ce83a
Bannerman, Rex
a6b58fe0-006c-4564-8a14-9a325d9e5757
Cecil, Rod
07b5c55d-bd92-449f-9605-9f5c1dd4c1ab
Churchill, Glenn
aca4f3c5-209d-4ca0-beb8-04a2a045123e
Gawith, Corin
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Smith, Peter G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Gow, Paul C.
193394b1-fe2d-41de-a9aa-6de7e5925b18
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), 495-503. (doi:10.1364/OME.481901).

Record type: Article

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.

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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
ORCID for Christopher Holmes: ORCID iD orcid.org/0000-0001-9021-3760
ORCID for Paolo Luciano Mennea: ORCID iD orcid.org/0000-0002-1740-5333
ORCID for Corin Gawith: ORCID iD orcid.org/0000-0002-3502-3558
ORCID for Peter G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X
ORCID for Paul C. Gow: ORCID iD orcid.org/0000-0002-3247-9082
ORCID for James Gates: ORCID iD orcid.org/0000-0001-8671-5987

Catalogue record

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 ORCID iD
Author: Rex Bannerman
Author: Rod Cecil
Author: Glenn Churchill
Author: Corin Gawith ORCID iD
Author: Peter G.R. Smith ORCID iD
Author: Paul C. Gow ORCID iD
Author: James Gates ORCID iD

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