Double-stage cross-gain modulation in SOAs: An effective technique for WDM multicasting

G. Contestabile, N. Calabretta, R. Proietti, E. Ciaramella

Research output: Contribution to journalArticleAcademicpeer-review

73 Citations (Scopus)

Abstract

We experimentally demonstrate an optical circuit capable of mulliwavelength conversion. The circuit structure is intrinsically stable and polarization independent. It may thus be a practical solution for wavelength-division multiplexing multicasting applications. Its working principle relies on synchronous double-stage cross-gain modulation in SOAs between an incoming data-modulated signal and several local continuous wave lasers. We report the simultaneous wavelength conversion of an input 10 Gb/s nonreturn-to-zero to eight 200-GHz-spaced output channels. The obtained signals show only a moderate optical signal-to-noise ratio penalty.

Original languageEnglish
Pages (from-to)181-183
Number of pages3
JournalIEEE Photonics Technology Letters
Volume18
Issue number1
DOIs
Publication statusPublished - 2006
Externally publishedYes

Keywords

  • Cross-gain compression
  • Semiconductor optical amplifier (SOA)
  • Wavelength conversion
  • Wavelength-division multiplexing (WDM) multicasting

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