Characterization of Sierpinski carpet optical antenna at visible and near-infrared wavelengths

Ting Lee Chen, Dirk Jan Dikken, Jord C. Prangsma, Frans Segerink, Jennifer L. Herek

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)
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We present fabrication, characterization, and simulation results on an optical antenna inspired by the Sierpinski carpet fractal geometry for operation in the visible and near-infrared wavelength regions. Measurements and simulations of the far-field scattering efficiency indicate a broadband optical response. Two-photon photoluminescence images provide maps of the near-field intensity distribution, from which we extract an enhancement factor of ~70. To explore the effect of morphology on the optical response of a large assembly of particles, we also present results on an arbitrarily chosen pseudo-random configuration as well as a periodic array.
Original languageEnglish
Article number093024
Number of pages13
JournalNew journal of physics
Publication statusPublished - 2014


  • METIS-306411
  • IR-94960

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