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

Record type: Article

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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Citation

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

More information

Published date: 1 April 2009
Organisations: Nanoelectronics and Nanotechnology, Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 270970
URI: http://eprints.soton.ac.uk/id/eprint/270970
ISSN: 0146-9592
PURE UUID: b5b16f42-f76c-450a-95e9-5182f313c8c9

Catalogue record

Date deposited: 04 May 2010 09:42
Last modified: 18 Jul 2017 06:49

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Contributors

Author: Ruiqi Chen
Author: Martin Charlton
Author: Pavlos Lagoudakis

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