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Photonic crystal fiber with a hybrid honeycomb cladding
Author(s) -
Niels Asger Mortensen,
M.D. Nielsen,
Jacob Riis Folkenberg,
Christian Jakobsen,
H.R. Simonsen
Publication year - 2004
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/opex.12.000468
Subject(s) - materials science , cladding (metalworking) , photonic crystal fiber , honeycomb structure , doping , refractive index , optics , lattice (music) , photonic crystal , hard clad silica optical fiber , all silica fiber , plastic clad silica fiber , germanium , optoelectronics , composite material , plastic optical fiber , silicon , fiber , fiber optic sensor , physics , acoustics
We consider an air-silica honeycomb lattice and demonstrate a new approach to the formation of a core defect. Typically, a high or low-index core is formed by adding a high-index region or an additional air-hole (or other low-index material) to the lattice, but here we discuss how a core defect can be formed by manipulating the cladding region ratherthan the core region itself. Germanium-doping of the honeycomb lattice has recently been suggested for the formation of a photonic band-gap guiding silica-core and here we experimentally demonstrate how an index-guiding silica-core can be formed by fluorine-doping of the honeycomb lattice.

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