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

AuthorsMelle, Sonia; Caldeón, Oscar G.; Egatz-Gómez, Ana; Cabrera-Granado, E.; Carreño, F.; Antón, M. A.; Salavagione, Horacio J. CSIC ORCID
Issue Date2014
PublisherOptical Society of America
CitationJournal of the Optical Society of America B: Optical Physics 31: 1018- 1025 (2014)
AbstractWe 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. © 2014 Optical Society of America.
Identifiersdoi: 10.1364/JOSAB.31.001018
issn: 0740-3224
e-issn: 1520-8540
Appears in Collections:(ICTP) Artículos
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