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Advancing the application of planar chalcogenides

Advancing the application of planar chalcogenides
Advancing the application of planar chalcogenides
Interest in low-loss planar glass films has been intense due to potential applications in integrated optics. In particular the development of low loss planar waveguides has been the focus of much research and a wide variety of film deposition and waveguide formation methods have been developed in particular for silica on silicon.
However, the need for compact planar devices incorporating active components, such as modulators or switches, requires the application of glasses with high non-linearity. We report here on recent progress in the deposition, characterization and application of glasses in the chalcogenide family including those based on gallium and lanthanum sulphides and germanium sulphide. In parallel with these activities, efforts to ensure high purity have successfully reduced transition metal impurities and OH to levels below 1 ppm.
These processes have opened up the potential for chalcogenide films and glasses to be developed with purities similar to those achieve in silica. The talk concludes with an overview of the applications which are currently motivating this work.
Curry, R.J.
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Huang, Chung-Che
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Mairaj, A.K.
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Simpson, Robert
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Hewak, Daniel
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Curry, R.J.
1ae2a4da-7efe-4333-a34e-0ec20ae95154
Huang, Chung-Che
825f7447-6d02-48f6-b95a-fa33da71f106
Mairaj, A.K.
69f81e26-b09f-4c34-83ee-4388f94fa147
Simpson, Robert
2b7dcf98-8712-46bf-ac32-8782a9955aef
Hewak, Daniel
87c80070-c101-4f7a-914f-4cc3131e3db0

Curry, R.J., Huang, Chung-Che, Mairaj, A.K., Simpson, Robert and Hewak, Daniel (2004) Advancing the application of planar chalcogenides. AcerS. Glass & Optical Materials Div., Fall 2004 Meeting. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Interest in low-loss planar glass films has been intense due to potential applications in integrated optics. In particular the development of low loss planar waveguides has been the focus of much research and a wide variety of film deposition and waveguide formation methods have been developed in particular for silica on silicon.
However, the need for compact planar devices incorporating active components, such as modulators or switches, requires the application of glasses with high non-linearity. We report here on recent progress in the deposition, characterization and application of glasses in the chalcogenide family including those based on gallium and lanthanum sulphides and germanium sulphide. In parallel with these activities, efforts to ensure high purity have successfully reduced transition metal impurities and OH to levels below 1 ppm.
These processes have opened up the potential for chalcogenide films and glasses to be developed with purities similar to those achieve in silica. The talk concludes with an overview of the applications which are currently motivating this work.

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More information

Published date: November 2004
Venue - Dates: AcerS. Glass & Optical Materials Div., Fall 2004 Meeting, 2004-11-01
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 38245
URI: http://eprints.soton.ac.uk/id/eprint/38245
PURE UUID: f2f09f1c-2068-4b7a-8ffb-6aade13683f8
ORCID for Chung-Che Huang: ORCID iD orcid.org/0000-0003-3471-2463
ORCID for Daniel Hewak: ORCID iD orcid.org/0000-0002-2093-5773

Catalogue record

Date deposited: 09 Jun 2006
Last modified: 18 Feb 2021 17:05

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Contributors

Author: R.J. Curry
Author: Chung-Che Huang ORCID iD
Author: A.K. Mairaj
Author: Robert Simpson
Author: Daniel Hewak ORCID iD

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