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Proceedings Paper

Sealed liquid-core photonic crystal fibers for practical nonlinear optics, nanophotonics, and sensing applications
Author(s): A. Bozolan; R. M. Gerosa; C. J. S. de Matos; M. A. Romero; C. M. B. Cordeiro
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Paper Abstract

Photonic crystal fibers have been the subject of several studies for potential application in areas such as sensing, nonlinear optics, telecommunication and nanophotonics. Many applications are enabled by the possibility of selectively inserting gases, liquids, polymers and colloids into the internal microstructure, which results in efficient interaction with the guided light, allowing for the development of, e.g., sensitive chemical sensors also, the insertion of materials can be exploited to modify waveguide characteristics such as modal field distributions, the nonlinear coefficient and the chromatic dispersion. Experimentally, the insertion of liquids is particularly straightforward and enables many of the envisaged studies. However, evaporation is an important limiting issue, which ultimately prevents the realization long-term practical applications. Also, in some cases contact of the liquid with the external environment may degrade its properties. To address these issues, we experimentally demonstrate a new technique to selectively seal a liquid-filled hole of a photonic crystal fiber. The characteristics of the sealed fibers remained stable for at least a few weeks. Two experiments were, then, carried out to demonstrate the potential of the technique. In the first experiment, a water-core photonic crystal fiber was used for supercontinuum generation, with the generated spectrum not showing degradation over time. In the second experiment, a colloid of CdSe nanoparticles was inserted into the core of a fiber and stable photoluminescence was observed.

Paper Details

Date Published: 14 October 2010
PDF: 4 pages
Proc. SPIE 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2), 78390A (14 October 2010); doi: 10.1117/12.866961
Show Author Affiliations
A. Bozolan, Univ. Presbiteriana Mackenzie (Brazil)
Univ. de São Paulo (Brazil)
R. M. Gerosa, Univ. Presbiteriana Mackenzie (Brazil)
C. J. S. de Matos, Univ. Presbiteriana Mackenzie (Brazil)
M. A. Romero, Univ. de São Paulo (Brazil)
C. M. B. Cordeiro, Univ. Estadual de Campinas (Brazil)

Published in SPIE Proceedings Vol. 7839:
2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2)
Juan Hernández-Cordero; Ismael Torres-Gómez; Alexis Méndez, Editor(s)

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