Mode resolved bend loss in few-mode optical fibers | Zendy

Christian Schulze | Zendy; Adrian Lorenz | Zendy; Daniel Flamm | Zendy; Alexander Hartung | Zendy; Siegmund Schröter | Zendy; Hartmut Bartelt | Zendy; Michael Duparré | Zendy

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Mode resolved bend loss in few-mode optical fibers

Author(s) -

Christian Schulze,

Adrian Lorenz,

Daniel Flamm,

Alexander Hartung,

Siegmund Schröter,

Hartmut Bartelt,

Michael Duparré

Publication year - 2013

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.003170

Subject(s) - optics , mode volume , optical fiber , modal , materials science , insertion loss , holography , filter (signal processing) , photonic crystal fiber , mode (computer interface) , fiber , graded index fiber , physics , fiber optic sensor , computer science , polymer chemistry , composite material , computer vision , operating system

We present a novel approach to directly measure the bend loss of individual modes in few-mode fibers based on the correlation filter technique. This technique benefits from a computer-generated hologram performing a modal decomposition, yielding the optical power of all propagating modes in the bent fiber. Results are compared with rigorous loss simulations and with common loss formulas for step-index fibers revealing high measurement fidelity. To the best of our knowledge, we demonstrate for the first time an experimental loss discrimination between index-degenerated modes.

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