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All-optical regeneration techniques of phase-modulated signals

  • Beihang University

Research output: Contribution to journalArticlepeer-review

Abstract

All-optical regeneration methods for binary phase modulated signals, which mainly focus on differential phase-shift keying (DPSK) signals, were introduced. And an all-optical regenerator design scheme for quadrature phase-shift keying (QPSK) and differential quadrature phase-shift keying (DQPSK) signals was investigated through numerical simulations. It is found that the regenerator can provide significant suppression of both amplitude and phase noise, and that the transmission distance of a 40Gb/s RZ-DQPSK system can be extended to more than 2000 km at the BER of 10-12.

Original languageEnglish
Pages (from-to)2310-2313
Number of pages4
JournalGuangzi Xuebao/Acta Photonica Sinica
Volume38
Issue number9
StatePublished - Sep 2009

Keywords

  • All-optical regeneration
  • DPSK
  • DQPSK
  • Phase modulation
  • QPSK

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