High time-resolution 640-Gb/s clock recovery using time-domain optical Fourier transformation and narrowband optical filter

Pengyu Guan, Hans Christian Hansen Mulvad, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We present a novel scheme for subharmonic clock recovery from an optical time-division-multiplexing signal using time-domain optical Fourier transformation and a narrowband optical filter. High-resolution 640-Gb/s clock recovery is successfully demonstrated with no pattern dependence. The clock recovery is also applied to a 640-Gb/s differential phase-shift-keying transmission, and error-free performance is achieved over 300 km.

Original languageEnglish
Article number5593866
Pages (from-to)1735-1737
Number of pages3
JournalIEEE Photonics Technology Letters
Volume22
Issue number23
DOIs
Publication statusPublished - 2010

Keywords

  • Clock recovery
  • high-speed optical pulse transmission
  • optical Fourier transformation
  • optical time-division multiplexing (OTDM)
  • time-to-frequency conversion

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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