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Photonic-chip-based all-optical ultra-wideband pulse generation via XPM and birefringence in a chalcogenide waveguide

  • Kang Tan*
  • , David Marpaung
  • , Ravi Pant
  • , Feng Gao
  • , Enbang Li
  • , Jian Wang
  • , Duk Yong Choi
  • , Steve Madden
  • , Barry Luther-Davies
  • , Junqiang Sun
  • , Benjamin J. Eggleton
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    20 Citations (Scopus)

    Abstract

    We report a photonic-chip-based scheme for all-optical ultrawideband (UWB) pulse generation using a novel all-optical differentiator that exploits cross-phase modulation and birefringence in an As2S3 chalcogenide rib waveguide. Polarity-switchable UWB monocycles and doublets were simultaneously obtained with single optical carrier operation. Moreover, transmission over 40-km fiber of the generated UWB doublets is demonstrated with good dispersion tolerance. These results indicate that the proposed approach has potential applications in multi-shape, multimodulation and long-distance UWB-over-fiber communication systems.

    Original languageEnglish
    Pages (from-to)2003-2011
    Number of pages9
    JournalOptics Express
    Volume21
    Issue number2
    DOIs
    Publication statusPublished - 28 Jan 2013

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