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Phase shift of amplitude-modulated optical signals in graphene oxide water dispersions due to thermal lens focal length oscillation

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Melle Hernández, Sonia and Gómez Calderón, Óscar and Egatz-Gómez, Ana and Cabrera Granado, Eduardo and Carreño Sánchez, Fernando and Salavagione, H. J. and Antón Revilla, Miguel Ángel (2014) Phase shift of amplitude-modulated optical signals in graphene oxide water dispersions due to thermal lens focal length oscillation. Journal of the Optical Society of America B, 31 (5). pp. 1018-1025. ISSN 0740-3224

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Official URL: http://dx.doi.org/10.1364/JOSAB.31.001018




Abstract

We analyze the phase shift induced in an amplitude-modulated laser beam propagating through a water dispersion of graphene oxide sheets in a fiber-to-fiber U-bench. This phase shift arises from the thermally induced nonlinear refraction in the sample. The system exhibits strong optical limiting performance for weak continuous-wave signals. A theoretical model including beam propagation and thermal lens focal length oscillation reproduces the experimental findings.


Item Type:Article
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Este documento es la versión postprint del artículo.
© 2014 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.

Uncontrolled Keywords:Nonlinear optics, fibers; Thermal lensing
Subjects:Sciences > Physics > Optics
ID Code:30749
Deposited On:15 Jun 2015 13:47
Last Modified:15 Jun 2015 13:47

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