Ultra-thin metamaterial beam splitters

Xu Zhang, James E. Davis, Durdu O. Güney

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Here, we present blueprints for three types of ultra-thin beam splitters based on versatile fishnet metamaterial structures at the 1.55 Μm optical communication wavelength. The thicknesses of the designed polarizing beam splitter and partially polarizing beam splitter are 1/26 of the free-space wavelength, while the thickness of the non-polarizing beam splitter is 1/13 of the free-space wavelength. Numerical simulations show that, compared to other miniaturization approaches including popular dielectric metasurfaces, metal-based metamaterial approach can provide much thinner beam splitters with reasonable performance. Such beam splitters can enable miniaturization of conventional and advanced quantum photonic systems towards higher density, scalability, and functionality.

Original languageEnglish
Article number53
JournalApplied Sciences (Switzerland)
Volume10
Issue number1
DOIs
StatePublished - Jan 1 2020

Keywords

  • Beam splitter
  • Metamaterial
  • Polarization

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