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Experimental excitation and characterization of cladding modes in photonic crystal fiber
Author(s) -
Sun Do Lim,
Hoon Cheol Park,
In-Kag Hwang,
Sang Bae Lee,
Byoung Yoon Kim
Publication year - 2010
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.18.001833
Subject(s) - cladding (metalworking) , optics , photonic crystal fiber , materials science , excitation , polarization (electrochemistry) , cladding mode , optical fiber , physics , polarization maintaining optical fiber , fiber optic sensor , composite material , chemistry , quantum mechanics
We extend the previous theoretical study on the effect of outer silica cladding to the analysis on real field profiles in a practical PCF. Clear field profiles for the first higher-order cladding modes are presented and discussed. The observed mode fields are reproduced by numerical calculations, and it turns out that they correspond to LP(16) mode groups. Optical properties of the observed modes such as lobe direction and polarization are also investigated. The results of this study will be useful in the design of the PCF-based optical devices utilizing cladding mode coupling.

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