Quantum Dots for Handheld Dark-Field Microscopes

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

Controlling Infrared Light with Phase-Change Materials

New method could impact devices used in imaging and machine learning

New Photovoltaic Research Partnership Spans Countries, Disciplines

USA, Ireland and Northern Ireland to shine new light on solar technologies

Dramatic Increase in Solar Cell Output

Collecting two electrons from each photon could break through theoretical solar-cell efficiency limit

Microring Resonator with the Highest Quality Factor

The new high-quality photonic device is based on amorphous silicon carbide

Getting More Heat Out of Sunlight

New material can passively capture solar heat for home heating or industrial applications

Calculating Better Large-Area Metasurfaces

Metamaterials to manipulate light at tiny scales could find uses in cellphone lenses, smart-car sensors, and optical fibers

High-Quality Single Photons for Quantum Computing

New dual-cavity design emits more single photons at room temperature

Optical Imaging System to Find Tiny Tumors

Near-infrared technology pinpoints fluorescent probes deep within living tissue and may be used to detect cancer earlier

Iridescent Color from Clear Droplets

Changing the size and shape of the droplets changes the colors they produce