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A dense array of small coupled waveguides in fiber technology: trefoil channels of microstructured optical fibers
Author(s) -
Alin Marian Apetrei,
Minh Châu Phan Huy,
Nadia Belabas,
J. A. Levenson,
J. M. Moison,
John M. Dudley,
Gilles Mélin,
A. Fleureau,
L. Galkovsky,
S. Lempereur
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.020648
Subject(s) - optics , microstructured optical fiber , photonic crystal fiber , materials science , optical fiber , trefoil , fiber , graded index fiber , fiber optic sensor , physics , history , archaeology , composite material
We calculate the limit to which the density of two-dimensional arrays of diffraction limited fiber waveguides can be reduced while maintaining weakly-coupled characteristics. We demonstrate that this density can be experimentally reached in an array of trefoil channels formed by the air holes of a microstructured optical fiber specially designed to meet limiting size and density specifications at lambda=1.55 microm.

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