Open AccessModal content measurements (S^2) of negative curvature hollow-core photonic crystal fibers
Author(s) -
Victor Bock,
Marco Plötner,
Oliver de Vries,
Johannes Nold,
Nicoletta Haarlammert,
Sabu Thomas,
Ramona Eberhardt,
Andreas Tünnermann
Publication year - 2017
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.25.003006
Subject(s) - photonic crystal fiber , materials science , optics , curvature , modal , polarization (electrochemistry) , optical fiber , single mode optical fiber , negative curvature , mode volume , graded index fiber , fiber , core (optical fiber) , composite material , fiber optic sensor , physics , chemistry , geometry , mathematics
We present modal content measurements (S 2 ) of two different negative curvature hollow-core photonic crystal fibers: a kagome fiber and an ice cream cone fiber. Their sensitivity towards mode matching, bending and polarization is analyzed. For the kagome fiber, a higher order mode suppression of 17dB under optimal conditions was achieved, and for the ice cream cone fiber there was a suppression of up to 42dB. Polarization turned out to be a critical parameter for good higher order mode suppression in both fibers.