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Numerical analysis of amplification characteristic of erbium-doped waveguide amplifiers by FD-BPM

  • Zhong Yu
  • , Lumei Gao
  • , Wei Wei
  • , Xun Hou
  • Xi'an Jiaotong University
  • State Key Lab. of TOT

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

An efficient analysis method for erbium-doped optical waveguide amplifiers (EDWA) is presented. By solving the rate equation, the propagation in EDWA is stimulated using the finite difference beam propagation method (FD-BPM). The dependence of the gain of EDWA is investigated on the waveguide length, erbium concentration, and signal and pump power. The analysis shows that considerable gain levels, 3.35 dB/cm can be achieved in 10 cm-long EDWA with an erbium concentration of 2.0 × 1026 ions/m3, signal power 1 μW and pump power 100 mW at 980 nm.

Original languageEnglish
Pages (from-to)321-330
Number of pages10
JournalOptical and Quantum Electronics
Volume36
Issue number4
DOIs
StatePublished - Mar 2004

Keywords

  • Complex atomic susceptibility
  • Finite difference beam propagation method
  • Optical waveguide amplifier

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