Frédérick Van Laere

Publications (2)0 Total impact

• Article: Photonic-Crystal Demultiplexer With Improved Crosstalk by Second-Order Cavity Filtering

  Henri Benisty, Cyril Cambournac, Frédérick Van Laere, Dries Van Thourhout
  [show abstract] [hide abstract]
  ABSTRACT: In this paper, we implement on a silicon-on-insulator (SoI) platform a photonic-crystal demultiplexer that operates on the principle of mini-stopbands of broader waveguides. Previous InP-based membrane versions showed modest crosstalk at 10 nm spacing. Here, we implement a second cavity in the form of a second parallel waveguide almost identical to the core one. Simulations employing three-modes coupled-mode theory and finite-difference time-domain help optimizing the coupling. The experimental realization with deep ultraviolet exposure and grating couplers is the first of this demux strategy on SoI. It successfully
  Journal of Lightwave Technology / IEEE/OSA Journal of Lightwave Technology; IEEE Journal of Lightwave Technology.
• Source

  Available from: ugent.be

  Article: Grating coupled photonic crystal demultiplexer with integrated detectors on InP membrane

  Frédérick Van Laere, Tiziana Stomeo, Melanie Ayre, Cyril Cambournac, Romain Brenot, Dries Van Thourhout, Henri Benisty, T.F. Krauss, R. Baets
  Indium Phosphide and Related Materials Conference (IPRM).