Optical fiber amplifiers for space-division multiplexing

Abstract

Recently, space-division multiplexing (SDM) techniques using multi-core fiber (MCF) and few-mode fiber (FMF) have been introduced into optical fiber communication to increase transmission capacity. Two main types of optical fiber amplifiers based on the Erbium-doped fiber (EDF) and the Raman effect have been developed to amplify signals in the MCF and FMF. In this paper, we reviewed the principles and configurations of these amplifiers.

Keywords

optical fiber amplifier / space-division multiplexing (SDM) / multi-core fiber (MCF) / few-mode fiber (FMF)

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