Improving Infrared Imaging

Air-gapped distributed Bragg reflectors can help to suppress the spectral crosstalk in photodetectors

Optical Single-Electron Detector

A molecule is sensitive enough to optically detect an electron at a distance of hundreds of nanometers

High-Flux Ultrafast Photoelectron Spectroscopy

New approach reduces the acquisition time for the analysis of multidimensional electron motions by a factor of 1000

Exotic Electron Liquid for Terahertz Detection

An electron-hole liquid may offer a path to room-temperature optoelectronic devices that harness collective electronic phenomena

New Fibers for Opto-Mechanical Sensors

Improved model shows Brillouin scattering interactions between light and sound waves in polyimide-coated fiber

A Broadband Achromatic Metalens

New device made of anisotropic nanostructures focuses light regardless of polarization

Sensitive Optical Sensors for Air Pollution

Gold disk-shaped nanoparticles emit unusual amounts of ultraviolet light

Superhighway for the Quantum Internet

New concept for the inline measurement of spatially encoded multiphoton quantum states

Hiding Images with a Plasmonic Sandwich

New technology for anti-counterfeiting security, infrared tagging or infrared camouflages

Small Waveguides for Wearable Displays

New flexible devices could serve also as implantable sensors or building blocks for photonic printed circuit boards