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Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications

Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications
Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications
The powerful ultrafast laser inscription technique is used to fabricate optical waveguides in gallium lanthanum sulphide substrates. For the first time the refractive index profile and the dispersion of such ultrafast laser inscribed waveguides are experimentally measured. In addition the Zero Dispersion Wavelength of both the waveguides and bulk substrate is experimentally determined. The Zero Dispersion Wavelength was determined to be between 3.66 and 3.71 µm for the waveguides and about 3.61 µm for the bulk. This work paves the way for realizing ultrafast laser inscribed waveguide devices in gallium lanthanum sulphide glasses for near and mid-IR applications.
1094-4087
6350-6358
Demetriou, G.
33ebf377-1f53-4b07-bcbd-301a6d488d21
Bérubé, J.P.
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Vallée, R.
553d868e-fc61-4132-b4ed-4ce5cd4fdf29
Messaddeq, Y.
69765444-efb4-4b20-aa11-24850f6025b7
Petersen, C.R.
33e69d9e-74ed-4a48-bba7-faac5cb36401
Jain, D.
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Bang, O.
3fced492-a5c1-4510-be82-580d178faa20
Craig, C.
2328b42b-552e-4a82-941d-45449e952f10
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Kar, A.J.
8ceb88f6-e28c-4afe-b07e-dbaf926ac5a1
Demetriou, G.
33ebf377-1f53-4b07-bcbd-301a6d488d21
Bérubé, J.P.
db07946f-ccd1-4937-bd86-1947e43eb783
Vallée, R.
553d868e-fc61-4132-b4ed-4ce5cd4fdf29
Messaddeq, Y.
69765444-efb4-4b20-aa11-24850f6025b7
Petersen, C.R.
33e69d9e-74ed-4a48-bba7-faac5cb36401
Jain, D.
787e5045-8862-46ba-b15e-82c2fe60495f
Bang, O.
3fced492-a5c1-4510-be82-580d178faa20
Craig, C.
2328b42b-552e-4a82-941d-45449e952f10
Hewak, D.W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Kar, A.J.
8ceb88f6-e28c-4afe-b07e-dbaf926ac5a1

Demetriou, G., Bérubé, J.P., Vallée, R., Messaddeq, Y., Petersen, C.R., Jain, D., Bang, O., Craig, C., Hewak, D.W. and Kar, A.J. (2016) Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications. Optics Express, 24 (6), 6350-6358. (doi:10.1364/OE.24.006350). (PMID:27136826)

Record type: Article

Abstract

The powerful ultrafast laser inscription technique is used to fabricate optical waveguides in gallium lanthanum sulphide substrates. For the first time the refractive index profile and the dispersion of such ultrafast laser inscribed waveguides are experimentally measured. In addition the Zero Dispersion Wavelength of both the waveguides and bulk substrate is experimentally determined. The Zero Dispersion Wavelength was determined to be between 3.66 and 3.71 µm for the waveguides and about 3.61 µm for the bulk. This work paves the way for realizing ultrafast laser inscribed waveguide devices in gallium lanthanum sulphide glasses for near and mid-IR applications.

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Accepted/In Press date: 8 March 2016
e-pub ahead of print date: 14 March 2016
Published date: 21 March 2016
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 401111
URI: http://eprints.soton.ac.uk/id/eprint/401111
ISSN: 1094-4087
PURE UUID: 3209e0ab-47c7-4c00-81cb-fcf4a1ae49ad
ORCID for C. Craig: ORCID iD orcid.org/0000-0001-6919-4294
ORCID for D.W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773

Catalogue record

Date deposited: 10 Oct 2016 09:33
Last modified: 17 Dec 2019 02:00

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