Guofan Jin

TL;DR: Huang et al. as mentioned in this paper developed ultrathin plasmonic metasurfaces to provide 3D optical holographic image reconstruction in the visible and near-infrared regions for circularly polarized light.

TL;DR: A counter-intuitive dual-polarity flat lens based on helicity-dependent phase discontinuities for circularly polarized light is experimentally demonstrated by controlling the helicity of the input light, and the positive and negative polarity are interchangeable in one identical flat lens.

TL;DR: This work investigates the interaction of circularly polarized (CP) light at an interface composed of a dipole antenna array to create spatially varying abrupt phase discontinuities and designs and experimentally demonstrates an ultrathin phase gradient interface to generate a broadband optical vortex beam based on the above principle.

TL;DR: An angular-spectrum based algorithm for layer-oriented CGH that can avoid the huge computational cost of the point-oriented method and yield accurate predictions of the whole diffracted field compared with other layer- oriented methods is proposed.

TL;DR: It is shown that reduced graphene oxide enabled write-once holograms for wide-angle and full-colour three-dimensional images through the discovery of subwavelength-scale multilevel optical index modulation of athermally reduced graphene oxides by a single femtosecond pulsed beam.