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Chi 3 dispersion in planar tantalum pentoxide waveguides in the telecommunications window

Chi 3 dispersion in planar tantalum pentoxide waveguides in the telecommunications window
Chi 3 dispersion in planar tantalum pentoxide waveguides in the telecommunications window
We report on the dispersion of the third-order nonlinear susceptibility ("chi 3") in planar Ta2O5 waveguides in the telecommunications spectral window. We utilize the observation of third-harmonic generation under ultrashort pulsed excitation as a reference-free characterization method of chi 3 and obtain a large nonlinear coefficient, 2×10^-13?esu, at 1550?nm. Our observation of efficient third-harmonic generation in Ta2O5 waveguides in the telecoms window reveals the potential of this material system in high-speed integrated nonlinear optical switches.
0146-9592
1135-1137
Cheng, Ruiqi Y.
0e7bf514-7d23-4010-8b6b-f4b6d9e3f0c8
Charlton, Martin
fcf86ab0-8f34-411a-b576-4f684e51e274
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf
Cheng, Ruiqi Y.
0e7bf514-7d23-4010-8b6b-f4b6d9e3f0c8
Charlton, Martin
fcf86ab0-8f34-411a-b576-4f684e51e274
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf

Cheng, Ruiqi Y., Charlton, Martin and Lagoudakis, Pavlos (2009) Chi 3 dispersion in planar tantalum pentoxide waveguides in the telecommunications window. Optics Letters, 34 (7), 1135-1137. (doi:10.1364/OL.34.001135).

Record type: Article

Abstract

We report on the dispersion of the third-order nonlinear susceptibility ("chi 3") in planar Ta2O5 waveguides in the telecommunications spectral window. We utilize the observation of third-harmonic generation under ultrashort pulsed excitation as a reference-free characterization method of chi 3 and obtain a large nonlinear coefficient, 2×10^-13?esu, at 1550?nm. Our observation of efficient third-harmonic generation in Ta2O5 waveguides in the telecoms window reveals the potential of this material system in high-speed integrated nonlinear optical switches.

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Published date: 31 March 2009
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Identifiers

Local EPrints ID: 153371
URI: http://eprints.soton.ac.uk/id/eprint/153371
DOI: doi:10.1364/OL.34.001135
ISSN: 0146-9592
PURE UUID: 23a10fe7-716b-4dd4-b83b-075956f191b4
ORCID for Pavlos Lagoudakis: ORCID iD orcid.org/0000-0002-3557-5299

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Date deposited: 20 May 2010 08:26
Last modified: 14 Mar 2024 01:27

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Contributors

Author: Ruiqi Y. Cheng
Author: Martin Charlton
Author: Pavlos Lagoudakis ORCID iD

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