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Optical and Quantum Electronics

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01-02-2018

Dual-core few mode EDFA for amplification of 20 modes

Authors: Ankita Gaur, Gyanendra Kumar, Vipul Rastogi

Published in: Optical and Quantum Electronics | Issue 2/2018

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Abstract

The capacity scaling beyond Shannon-Limit is a major issue in optical communication system. Space division multiplexing (SDM) employing few mode fiber (FMF) has ability to resolve this issue. Few-mode erbium doped fiber amplifier (FMEDFA) is the key component of FMF based SDM system. In this paper we present a fiber design, which is capable of amplifying 20 modes of 6 mode groups (LP₀₁, LP₀₂, LP₁₁, LP₂₁, LP₃₁ and LP₄₁). Proposed design employs a dual-core doped EDF with many modes pumping. We show amplification of the modes with more than 21 dB gain and 1.75 dB gain excursion over the C-band. The study would be useful in few-mode fiber SDM optical communication system.

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Title: Dual-core few mode EDFA for amplification of 20 modes
Authors: Ankita Gaur
Gyanendra Kumar
Vipul Rastogi
Publication date: 01-02-2018
Publisher: Springer US
Published in: Optical and Quantum Electronics / Issue 2/2018
Print ISSN: 0306-8919
Electronic ISSN: 1572-817X
DOI: https://doi.org/10.1007/s11082-018-1322-6

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