Excitation of higher-order modes in optofluidic photonic crystal fiber.
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Authors
Ruskuc, Andrei
Koehler, Philipp
Weber, Marius A
Andres-Arroyo, Ana
Frosz, Michael H
Russell, Philip St J
Euser, Tijmen G
Publication Date
2018-11-12Journal Title
Opt Express
ISSN
1094-4087
Publisher
The Optical Society
Volume
26
Issue
23
Pages
30245-30254
Language
eng
Type
Article
This Version
VoR
Physical Medium
Print
Metadata
Show full item recordCitation
Ruskuc, A., Koehler, P., Weber, M. A., Andres-Arroyo, A., Frosz, M. H., Russell, P. S. J., & Euser, T. G. (2018). Excitation of higher-order modes in optofluidic photonic crystal fiber.. Opt Express, 26 (23), 30245-30254. https://doi.org/10.1364/OE.26.030245
Abstract
Higher-order modes up to LP33 are controllably excited in water-filled kagomé- and bandgap-style hollow-core photonic crystal fibers (HC-PCF). A spatial light modulator is used to create amplitude and phase distributions that closely match those of the fiber modes, resulting in typical launch efficiencies of 10-20% into the liquid-filled core. Modes, excited across the visible wavelength range, closely resemble those observed in air-filled kagomé HC-PCF and match numerical simulations. Mode indices are obtained by launching plane-waves at specific angles onto the fiber input-face and comparing the resulting intensity pattern to that of a particular mode. These results provide a framework for spatially-resolved sensing in HC-PCF microreactors and fiber-based optical manipulation.
Keywords
physics.optics, physics.optics
Sponsorship
T.G.E. acknowledges the support from the Winton Programme for the Physics of Sustainability and the Isaac Newton Trust. P.K. acknowledges the Cambridge NanoDTC (EPSRC Grant EP/L015978/1).
Funder references
Engineering and Physical Sciences Research Council (EP/L015978/1)
Identifiers
External DOI: https://doi.org/10.1364/OE.26.030245
This record's URL: https://www.repository.cam.ac.uk/handle/1810/286681
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