Topological Insulators for Optoelectronics

An exciton-polariton topological insulator made of coupled semiconductor microcavities

Metalens Enables Full-Color Imaging

First flat lens for focusing a large range of colors of any polarization to the same focal spot

Optical Signatures of 2D Materials

Theoretical methods to compute the maximum optical properties of 2D materials

Rough Optics for Better Solar Cells

New coating reduces reflections and brings more light into the absorbing layer without impairing its electronic properties

Metasurface for Multiphoton Interference

New material for tiny camera lenses to link quantum computers to network

Metamaterial for Ultrathin Optical Cavities

Embedded silver metasurfaces in nanocavities for ultrathin and multicolor on-a-chip lasers

Nano-Endoscope with Metalenses

Nano-optic device for high-resolution optical coherence tomography in vivo

Metalattice with Strong Toroidal Dipole Response

The unit cell consists of four rectangular bars made of dielectric materials of moderate contrast

Trapping Light with Metamaterials

A new protective metamaterial cladding prevents light from leaking out of curvy pathways

Steering Light with Dynamic Lenses

New class of flat optical devices by the combination of metasurfaces and MEMS