Independent core propagation in two-core photonic crystal fibers resulting from structural nonuniformities | Zendy

Kristen Lantz Reichenbach | Zendy; Chris Xu | Zendy

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Independent core propagation in two-core photonic crystal fibers resulting from structural nonuniformities

Author(s) -

Kristen Lantz Reichenbach,

Chris Xu

Publication year - 2005

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.13.010336

Subject(s) - photonic crystal , optics , photonic crystal fiber , materials science , core (optical fiber) , coupling (piping) , lattice (music) , mode coupling , coupling strength , coupled mode theory , optical fiber , optoelectronics , refractive index , condensed matter physics , physics , composite material , acoustics

Random nonuniformities in the photonic crystal lattice are shown to reduce the coupling length and the coupling efficiency of two-core photonic crystal fibers. These coupling properties are extremely sensitive to imperfections when the air holes are large; variations in the lattice of less than 1% are sufficient to cause essentially independent core propagation due to a drastic reduction in the efficiency of the core coupling. The observed sensitivity of two-core fibers to lattice imperfections is explained through a comparison with coupled mode theory.

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