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Ultralow-loss 3-dB photonic crystal waveguide splitter

  • Lars Hagedorn Frandsen
  • , Peter Ingo Borel
  • , Yanxin Zhuang
  • , Anders Harpøth
  • , Morten Thorhauge
  • , Martin Kristensen
  • , Wim Bogaerts
  • , P. Dumon
  • , Roel Baets
  • , V. Wiaux
  • , J. Wouters
  • , S. Beckx
    • Ghent University
    • Interuniversitair Micro-Elektronica Centrum

    Research output: Contribution to journal › Journal article › Research › peer-review

    Abstract

    A photonic crystal waveguide splitter that exhibits ultralow-loss 3-dB splitting for TE-polarized light is fabricated in silicon-on-insulator material by use of deep UV lithography. The high performance is achieved by use of a Y junction, which is designed to ensure single-mode operation, and low-loss 60° bends. Zero-loss 3-dB output is experimentally obtained in the range 1560-1585 nm. Results from three-dimensional finite-difference time-domain modeling with no adjustable parameters are found to be in excellent agreement with the experimental results.
    Original languageEnglish
    JournalOptics Letters
    Volume29
    Issue number14
    Pages (from-to)1623-1625
    ISSN1094-4087
    Publication statusPublished - 2004

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