Light-emitting nanotubes get brighter with zero-dimensional states
Quantum dot LED approaches theoretical maximum efficiency
Quantum teleportation performed with light from a quantum dot embedded in an LED
Quantum strategies fail to improve capacity of quantum optical communication channels
Quantum communication without entanglement could perform faster than previously thought possible
Physicists experimentally demonstrate one-way quantum steering
Inverted polymer solar cell efficiency sets world record
Single-pixel 'multiplex' captures elusive terahertz images
A novel metamaterial enables a fast, efficient and high-fidelity terahertz radiation imaging system capable of manipulating the stubborn electromagnetic waves, advancing a technology with potential applications ...
Advanced light: Sending entangled beams through fast-light materials
Michael Lewis's bestselling book "Flash Boys" describes how some brokers, engaging in high frequency trading, exploit fast telecommunications to gain fraction-of-a-second advantage in the buying and selling ...
New 'T-ray' tech converts light to sound for weapons detection, medical imaging
A device that essentially listens for light waves could help open up the last frontier of the electromagnetic spectrum—the terahertz range.
Optical brain scanner goes where other brain scanners can't
Scientists have advanced a brain-scanning technology that tracks what the brain is doing by shining dozens of tiny LED lights on the head. This new generation of neuroimaging compares favorably to other approaches ...
A design guide for future graphene chips
Swiss scientists have come up with a "how-to manual" for making the most efficient optical graphene circuits possible. The procedure facilitates and accelerates technological development in this future field. ...
Scientists discover how to turn light into matter after 80-year quest
Imperial College London physicists have discovered how to create matter from light - a feat thought impossible when the idea was first theorised 80 years ago.
Environmentally friendly solar cell pushes forward the 'next big thing in photovoltaics'
Northwestern University researchers are the first to develop a new solar cell with good efficiency that uses tin instead of lead perovskite as the harvester of light. The low-cost, environmentally friendly ...