Evolution of EDFA from single-core to multi-core and related recent progress in optical communication

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5 Citations (Scopus)

Abstract

A compact 1.48 μm InGaAsP laser-diode (LD)-pumped erbium-doped optical fiber amplifier (EDFA) was invented in 1989 and it revolutionized optical communication in combination with a wavelength division multiplexing (WDM) technique. Recently, in addition to the existing single-core EDFA, a multi-core EDFA, which employs space division multiplexing (SDM), was developed to increase transmission capacity even further. The first half of this paper describes the evolution of the EDFA from a single-core to a multi-core device and the second half focuses on related topics in optical communication.

Original languageEnglish
Pages (from-to)862-874
Number of pages13
JournalOptical Review
Volume21
Issue number6
DOIs
Publication statusPublished - 2014 Nov 27

Keywords

  • erbium-doped fiber amplifier
  • multi-core fiber
  • multi-mode control
  • multilevel transmission
  • space division multiplexing

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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