Time-dependence of the transmission matrix of a specialty few-mode fiber | Zendy

Jean Yammine | Zendy; Arsène Tandjè | Zendy; Michel Dossou | Zendy; Laurent Bigot | Zendy; Esben Ravn Andresen | Zendy

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Time-dependence of the transmission matrix of a specialty few-mode fiber

Author(s) -

Jean Yammine,

Arsène Tandjè,

Michel Dossou,

Laurent Bigot,

Esben Ravn Andresen

Publication year - 2018

Publication title -

apl photonics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.094

H-Index - 34

ISSN - 2378-0967

DOI - 10.1063/1.5047578

Subject(s) - fiber , transmission (telecommunications) , upstream (networking) , core (optical fiber) , mode volume , mode (computer interface) , optics , matrix (chemical analysis) , polarization maintaining optical fiber , dispersion shifted fiber , single mode optical fiber , phase (matter) , graded index fiber , physics , optical fiber , materials science , fiber optic sensor , computer science , telecommunications , quantum mechanics , composite material , operating system

We report a time-resolved measurement of the full transmission matrix (TM) of a short length of specialty annular-core few-mode fiber which guides 10 vector modes. We show how our method can isolate the fiber TM from misalignment contributions from optics upstream and downstream of the fiber. From measurements spanning two days we extract the drift of the fiber TM. We show that drifts in the TM elements are mostly described as correlated phase variations rather than amplitude variations. We show that an empirical model of the fiber TM parametrized in one parameter can successfully account for the drift.

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