We exploit the perfect PD feature of this system to demonstrate arbitrary polarization, including linear, circular and elliptical polarization, directly from unpolarized light.

Just Rotate! A Metalens Manipulates Diverse Linear-Circular Polarization Conversions In a new publication from Opto-Electronic Advances; DOI 10.29026/oea.2022.210062 , researchers from Tianjin ...

We assume that only linear birefringence is induced in the polarization-sensitive material. In the case of OL exposure, the intensity of the interfering field is constant and only changes in the ...

With all parts fabricated from silicon using standard lithographic techniques, the devices are eminently manufacturable. Remarkably, by dynamically rotating the orientation of the cross-shaped ...

It achieves exceptional degrees of polarization, with both degrees of linear/circular polarization (DoLP/DoCP) values exceeding 0.996.

More information: Yuqiang Ding et al, Breaking the in-coupling efficiency limit in waveguide-based AR displays with polarization volume gratings, Light: Science & Applications (2024).