Few-mode fiber with inverse-parabolic graded-index profile for transmission of OAM-carrying modes | Zendy

Bora Ung | Zendy; Pravin Vaity | Zendy; L. Wang | Zendy; Younès Messaddeq | Zendy; Leslie A. Rusch | Zendy; Sophie LaRochelle | Zendy

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Few-mode fiber with inverse-parabolic graded-index profile for transmission of OAM-carrying modes

Author(s) -

Bora Ung,

Pravin Vaity,

L. Wang,

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.22.018044

Subject(s) - optics , transmission (telecommunications) , physics , inverse , fiber , mode volume , mode (computer interface) , angular momentum , graded index fiber , optical fiber , refractive index , materials science , fiber optic sensor , mathematics , telecommunications , geometry , classical mechanics , computer science , composite material , operating system

A novel type of few-mode fiber, characterized by an inverse-parabolic graded-index profile, is proposed for the robust transmission of cylindrical vector modes as well as modes carrying quantized orbital angular momentum (OAM). Large effective index separations between vector modes (>2.1 × 10(-4)) are numerically calculated and experimentally confirmed in this fiber over the whole C-band, enabling transmission of OAM(+/-1,1) modes for distances up to 1.1 km. Simple design rules are provided for the optimization of the fiber parameters.

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