Optical and Quantum Electronics

, Volume 34, Issue 5–6, pp 455–470 | Cite as

Bragg waveguide grating as a 1d photonic band gap structure: COST 268 modelling task

  • J. Čtyroký
  • S. Helfert
  • R. Pregla
  • P. Bienstman
  • R. Baets
  • R. De Ridder
  • R. Stoffer
  • G. Klaasse
  • J. PetráČek
  • P. Lalanne
  • J. P. Hugonin
  • R. M. De LaRue

Abstract

Modal reflection, transmission and loss of deeply etched Bragg waveguide gratings were modelled by six European laboratories using independently developed two-dimensional (2D) numerical codes based on four different methods, with very good mutual agreement. It was found that (rather weak) material dispersion of the SiO2/Si3N4 system does not significantly affect the results. The existence of lossless Floquet-Bloch modes in deeply etched gratings was confirmed. Based on reliable numerical results, the physical origin of out-of-plane losses of 1D or 2D photonic band gap structures in slab waveguides is briefly discussed.

Key words

optical waveguide modelling photonic band gap structure photonic crystal waveguide grating 

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Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • J. Čtyroký
    • 1
  • S. Helfert
    • 2
  • R. Pregla
    • 2
  • P. Bienstman
    • 3
  • R. Baets
    • 3
  • R. De Ridder
    • 4
  • R. Stoffer
    • 4
  • G. Klaasse
    • 4
  • J. PetráČek
    • 5
  • P. Lalanne
    • 6
  • J. P. Hugonin
    • 6
  • R. M. De LaRue
    • 7
  1. 1.Institute of Radio Engineering and ElectronicsPraha 8Czech Republic
  2. 2.Allgemeine und Theoretische ElektrotechnikFernUniversitätHagenGermany
  3. 3.Department of Information Technology/IMECGhent UniversityGhentBelgium
  4. 4.MESA Research InstituteUniversity of TwenteAE EnschedeNetherlands
  5. 5.Institute of Physical EngineeringBrno University of TechnologyBrnoCzech Republic
  6. 6.Institut d’Optique Theorique et Appliquee/CNRSOrsay CedexFrance
  7. 7.Optoelectronics Research Group, Department of Electronics and Electrical EngineeringThe UniversityGlasgowUK

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