A Reconfigurable Active Huygens' Metalens

Metasurfaces enable a new paradigm to control electromagnetic waves by manipulating subwavelength artificial structures within just a fraction of wavelength. Despite the rapid growth, simultaneously achieving low-dimensionality, high transmission efficiency, real-time continuous reconfigurability, and a wide variety of reprogrammable functions is still very challenging, forcing researchers to realize just one or few of the aforementioned features in one design. This study reports a subwavelength reconfigurable Huygens' metasurface realized by loading it with controllable active elements. The proposed design provides a unified solution to the aforementioned challenges of real-time local reconfigurability of…

• WF
  Welch Foundation

  Award: F‐1802
• LT
  Leverhulme Trust

  Award: RPG‐2012‐674
• ER
  European Research Council
• AF
  Air Force Office of Scientific Research

  Award: FA9550‐13‐1‐0204