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

Blue OLED on Silicon Sensor Detects Phosphorescence

Applications ranging from oxygen detection gaseous environments to multi-parameter measurements in liquids

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

How to Double the Efficiency of OLEDs

Organic electronics benefits from a new class of double-doped polymers

Sensitive Optical Sensors for Air Pollution

Gold disk-shaped nanoparticles emit unusual amounts of ultraviolet light

Small Waveguides for Wearable Displays

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

Frequency Combs for Microchip-Size Chemical Sensors

New technology produces laser frequencies in a much easier and more robust way than before.