Broadband linear and nonlinear optical response of plasmonic quasicrystals

  • Ajith P. Ravishankar
  • , V.j. Yallapragada
  • , S. Kasture
  • , Arvind Nagarajan
  • , Venu Gopal Achanta

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)
1 Downloads (Pure)

Abstract

Plasmonic quasicrystals with 5-fold rotation symmetry are shown to offer broadband transmission enhancement. The observed linear transmission enhancement leads to broadband second harmonic generation in a wide incident angle range contrary to unpatterned gold film. From the measured linear and harmonic transmitted powers, we estimate the 2nd order susceptibility values in the 760–840 nm range.
Original languageEnglish
Pages (from-to)57-60
JournalOptics Communications
Volume366
DOIs
Publication statusPublished - 1 May 2016
Externally publishedYes

Keywords

  • Plasmonic quasicrystals
  • Transmission enhancement
  • Quasiperiodic arrays
  • Broadband second harmonic generation

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