Near-field optical investigation of three-dimensional photonic crystals

E. Flück, N.F. van Hulst, W.L. Vos, L. Kuipers

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Abstract

We show that the coupling of light from an external pointlike light source into a three-dimensional photonic crystal depends o­n the relative launching position with respect to the crystal lattice as well as o­n the frequency of light. The results are obtained with a near-field technique which is used to acquire optical information beyond the diffraction limit and to access optical details within the unit cell of the crystal. The experiments are performed at frequencies near the second-order L-gap. As a result, the changes in the shape of the near-field pattern are explained by the photonic properties of the crystal. ¿2003 The American Physical Society
Original languageEnglish
Article number015601
Number of pages4
JournalPhysical review E: Statistical, nonlinear, and soft matter physics
Volume68
Issue number1
DOIs
Publication statusPublished - 2003

Keywords

  • IR-40541
  • METIS-212336

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