Ultraviolet-Visible Multifunctional Vortex Metaplates by Breaking Conventional Rotational Symmetry

Nasir Mahmood, Joohoon Kim, Muhammad Ashar Naveed, Yeseul Kim, Junhwa Seong, Seokwoo Kim, Trevon Badloe, Muhammad Zubair*, Muhammad Qasim Mehmood*, Yehia Massoud*, Junsuk Rho*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


Metasurfaces have shown remarkable potential to manipulate many of light’s intrinsic properties, such as phase, amplitude, and polarization. Recent advancements in nanofabrication technologies and persistent efforts from the research community result in the realization of highly efficient, broadband, and multifunctional metasurfaces. Simultaneous control of these characteristics in a single-layered metasurface will be an apparent technological extension. Here, we demonstrate a broadband multifunctional metasurface platform with the unprecedented ability to independently control the phase profile for two orthogonal polarization states of incident light over dual-wavelength spectra (ultraviolet to visible). In this work, multiple single-layered metasurfaces composed of bandgap-engineered silicon nitride nanoantennas are designed, fabricated, and optically characterized to demonstrate broadband multifunctional light manipulation ability, including structured beam generation and meta-interferometer implementation. We envision the presented metasurface platform opening new avenues for broadband multifunctional applications including ultraviolet-visible spectroscopy, spatially modulated illumination microscopy, optical data storage, and information encoding.

Original languageEnglish (US)
Pages (from-to)1195-1201
Number of pages7
JournalNano Letters
Issue number4
StatePublished - Feb 22 2023


  • broadband
  • metaplates
  • multifunctional
  • orbital angular momentum
  • rotational symmetry
  • structured beams

ASJC Scopus subject areas

  • Bioengineering
  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics
  • Mechanical Engineering


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