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Phase-Separated Alumina–Silica Glass-Based Erbium-Doped Fibers for Optical Amplifier: Material and Optical Characterization along with Amplification Properties

Authors
  • Paul, Mukul
  • Kir’yanov, Alexander
  • Barmenkov, Yuri
  • Pal, Mrinmay
  • Youngman, Randall
  • Dhar, Anirban
  • Das, Shyamal
Publication Date
Sep 17, 2018
Source
MDPI
Keywords
Language
English
License
Green
External links

Abstract

O bond lengths and also hexa- and penta-coordinated Al3+ ions instead of the fourfold coordination found in non-phase-separated EDF. It was observed that the higher coordination numbers of Er3+ and Al3+ ions in phase-separated glass hosts led to more homogeneous and inhomogeneous broadening, resulting in better flatness of the gain spectrum with 1.2 dB more gain compared to the non-phase-separated EDF.

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