Open AccessCharacterization of OAM fibers using fiber Bragg gratings
Author(s) -
L. Wang,
Pravin Vaity,
Bora Ung,
Younès Messaddeq,
Leslie A. Rusch,
Sophie LaRochelle
Publication year - 2014
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.22.015653
Subject(s) - fiber bragg grating , optics , long period fiber grating , phosfos , materials science , photonic crystal fiber , optical fiber , graded index fiber , dispersion shifted fiber , polarization maintaining optical fiber , fiber optic sensor , physics
The reflectogram of a fiber grating is used to characterize vector modes of an optical fiber supporting orbital angular momentum states. All modes, with a minimal effective index separation around 10(-4), are simultaneously measured. OAM states are reflected by the FBG, along with a charge inversion, at the center wavelength of the Bragg reflection peak of the corresponding fiber vector mode.