Format

Send to

Choose Destination
Phys Rev Lett. 2014 Jul 11;113(2):023902. Epub 2014 Jul 10.

High performance bianisotropic metasurfaces: asymmetric transmission of light.

Author information

1
Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109-2122, USA.
2
Lurie Nanofabrication Facility, Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109-2122, USA.

Abstract

It is experimentally shown that bianisotropic metasurfaces allow for extreme polarization control of light with high performance. A metasurface providing asymmetric transmission (i.e., polarization conversion) of circularly polarized light is reported at a wavelength of 1.5  μm. The experimental transmittance and extinction ratio are 50% and 20:1, which represents an order of magnitude improvement over previous optical structures exhibiting asymmetric transmission. The metasurface consists of patterned gold sheets that are spaced at a subwavelength distance from each other. The same design and fabrication processes can be used in the future to completely control the phase, amplitude, and polarization of light.

Supplemental Content

Full text links

Icon for American Physical Society
Loading ...
Support Center