Wavelength conversion using semiconductor optical amplifiers

Mehdi Asghari, Ian H. White, Richard V. Penty

Research output: Contribution to journalArticle

181 Citations (Scopus)

Abstract

This paper reports a detailed theoretical study of the dynamics of wavelength conversion using cross-gain and cross-phase modulation in semiconductor optical amplifiers (SOA's) involving a large signal, multisection rate equation model. Using this model, recently reported experimental results have been correctly predicted and the effects of electrical and optical pumping on the conversion speed, modulation index, and phase variation of the converted signal have been considered. The model predicts, in agreement with experimental data, that recovery rates as low as 12 ps are possible if signal and pump powers in excess of 14 dBm are used. It also indicates that conversion speeds up to 40 Gb/s may be achieved with less than 3 dB dynamic penalty. The employment of cross-phase modulation increases the speed allowing, for example, an improvement to 60 Gb/s with an excess loss penalty less than 1 dB.

Original languageEnglish
Pages (from-to)1181-1190
Number of pages10
JournalJournal of Lightwave Technology
Volume15
Issue number7
DOIs
Publication statusPublished - 1 Jul 1997

Keywords

  • Integrated optics
  • Optical wavelength routing
  • Optical wavelength switching
  • Optoelectronics
  • Semiconductor laser amplifiers
  • Wavelength conversion
  • Wavelength translation
  • WDM systems

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Wavelength conversion using semiconductor optical amplifiers. / Asghari, Mehdi; White, Ian H.; Penty, Richard V.

In: Journal of Lightwave Technology, Vol. 15, No. 7, 01.07.1997, p. 1181-1190.

Research output: Contribution to journalArticle

Asghari, Mehdi ; White, Ian H. ; Penty, Richard V. / Wavelength conversion using semiconductor optical amplifiers. In: Journal of Lightwave Technology. 1997 ; Vol. 15, No. 7. pp. 1181-1190.
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