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Transmission improvement of vertical cavity surface emitting lasers at 4 × 2.5 Gbit/s under a semiconductor optical amplifier with external light injection technique

  • Hai Han Lu
  • , Je Wei Liaw
  • , Yu Jie Ji
  • , Wan Lin Tsai
  • , Yi Shiuan Lee

Research output: Contribution to journalArticlepeer-review

Abstract

A 10-Gbit/s wavelength-division-multiplexing (WDM) transport system over a 50-km single-mode fiber (SMF) transport based on vertical cavity surface emitting lasers (VCSELs) and a semiconductor optical amplifier (SOA) with an external light injection technique is proposed and demonstrated. Improved bit error rate (BER) performance is observed under direct modulation of four channels at 2.5 Gbit/s, attributed to the SOA light injection technique to reduce the SOA-induced distortion and crosstalk.

Original languageEnglish
Pages (from-to)1-2
Number of pages2
JournalOptical Engineering
Volume44
Issue number2
DOIs
StatePublished - Feb 2005

Keywords

  • Semiconductor optical amplifier
  • Vertical cavity surface emitting laser
  • Wavelength division multiplexing

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