Focus-Free Camera with a New Flat Lens

New technology poised to drastically reduce weight, complexity and cost of cameras while increasing functionality

New Fabrication Approach for Photonic Circuits

Emerging reconfigurable photonic devices and applications benefit from metastable optical properties

A Nanoscale Laser Made of Gold

New hybrid nanomaterials combine the optical properties of metals and semiconductors

Topological States in Photonic Crystals

Topological protection offers new prospects for manipulating classical and quantum information

Supercontinuum in a Crystal

New process creates a wide range of colours from a single laser

Metamaterials for Analog Image Processing

A new filter differentiates the incoming light directly to image the edges of the object

Metasurfaces Correct Color Blindness

New type of contact lenses to correct deuteranomaly, a form of red-green color blindness

New Transmitter for Terahertz Waves

A germanium component generates pulses with many different terahertz frequencies at the same time

Quantum Dots for Handheld Dark-Field Microscopes

Simple chip powered by quantum dots allows standard microscopes to visualize difficult-to-image biological organisms

Controlling the Phase of Light Using 2D Materials

Atomically thin materials manipulate the phase of light without changing its amplitude at extremely low power loss