Gap Plasmon-based Metasurfaces: Fundamentals and Applications

Michael Grøndahl Nielsen, Sergey I. Bozhevolnyi

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

We present the exciting functionalities of gap surface plasmon-based metasurfaces for light manipulation in reflection due to the excitation of gap surface plasmon resonances allowing for efficient control of phase and amplitude of reflected light. We specifically demonstrate that such plasmonic metasurfaces can be utilized for efficient unidirectional polarization-controlled coupling of incident light to propagating surface plasmon polariton modes. Fabricated metasurfaces that operate at telecommunication wavelengths 1500-1600nm feature a maximum coupling efficiency of ~25% for either of two linear polarizations of incident light and surface plasmon directivity exceeding 100.
Original languageEnglish
Title of host publicationProc. SPIE 9160, Metamaterials : Fundamentals and Applications 2014
EditorsNader Engheta, Mikhail A. Noginov, Nikolay I. Zheludev
Number of pages5
Volume9160
PublisherSPIE - International Society for Optical Engineering
Publication date12. Dec 2014
DOIs
Publication statusPublished - 12. Dec 2014
EventSPIE Photonics Europe 2014 - Brussels, Belgium
Duration: 14. Apr 201417. Apr 2014

Conference

ConferenceSPIE Photonics Europe 2014
Country/TerritoryBelgium
CityBrussels
Period14/04/201417/04/2014

Keywords

  • Gap surface plasmons
  • metamaterials
  • metasurfaces
  • surface plasmon polaritons

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