| dc.description.abstract | High transmission plasmonic and all-dielectric metasurface wave plates have been reported in recent
studies. However, narrow bandwidth and low polarization conversion need to be addressed to attain
even better operation requirements. In this work, we numerically demonstrate the concept of an
ultrathin single layer plasmonic metasurface embedded with dielectric resonators. Our design is based
on the transmission line theory and surface plasmon excitation to realize a quarter-wave plate with
controllable birefringence. The controllability is achieved through manipulating relative permittivity of
a non-dispersive dielectric material-embedded in a perforated silver film, and the surface dimensions of
silver. We have also achieved higher degrees of linear-to-circular and circular-to-linear polarization
conversions at broadband wavelengths in the near infrared compared with other conventional plasmonic
metasurfaces. Moreover, the functioning of the wave plate is demonstrated on a compact and ultrathin
metasurface showing great potential of integration into photonic sensors. | en_US |
