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Search results for photonic

Nanophysics Jun 18, 2025

Catching excitons in motion—ultrafast dynamics in carbon nanotubes revealed by nano-infrared spectroscopy

A research team has successfully visualized the ultrafast dynamics of quasi-particles known as excitons, which are generated in carbon nanotubes (CNTs) upon light excitation.

Optics & Photonics Jun 18, 2025

Light-based computing with optical fibers shows potential for ultra-fast AI systems

Imagine a computer that does not rely only on electronics but uses light to perform tasks faster and more efficiently. A collaboration between two research teams from Tampere University in Finland and Université Marie et ...

Condensed Matter Jun 18, 2025

Scientists harness vacuum fluctuations to engineer quantum materials

Vacuum is often thought of as empty, but in fact it is teeming with fleeting energy fluctuations—virtual photons popping in and out of existence that can interact with matter, giving rise to new, potentially useful properties.

Optics & Photonics Jun 17, 2025

Next leap in mode-locked lasers: Tunable pulse duration in ultranarrow bandwidth

Lasers have widespread applications as a light source in a variety of fields, including manufacturing, medicine, high-speed communications, electronics, and scientific research.

Nanophysics Jun 17, 2025

Speed-snap science: Solving for molecular details in a flash

How do we know exactly what is happening at a molecular level during extremely fast processes, such as burning during combustion? In less than the blink of an eye, one chemical compound and then another are present in a flame ...

Optics & Photonics Jun 17, 2025

New method enables scientists to surpass the resolution limit of fluorescence microscopy

Imagine you're sitting at a pond, listening to the din of croaking frogs. You want to know how many frogs are in the pond, but you can't pick out the individual croaks—only the combined sound rising and falling in volume ...

Biochemistry Jun 16, 2025

Infrared spectroscopy captures detailed structure and action of organocatalyst in real time

In a collaborative effort, researchers at the University of Amsterdam and the HFML-FELIX institute in Nijmegen have been able to provide detailed insights in the molecular structure of a thiourea-based organocatalyst, as ...

Optics & Photonics Jun 16, 2025

New nano-based filter for infrared light promises cheap, robust spectrometers

A new filter for infrared light could see scanning and screening technology tumble in price and size. Built on nanotechnology, the new heat-tunable filter promises hand-held, robust technology to replace current desktop infrared ...

Space Exploration Jun 16, 2025

A better way to turn solar sails

Solar sails represent one of the most elegant concepts in space exploration: using sunlight itself to propel spacecraft through the cosmos without any fuel. But these thin, light giants face a stubborn engineering challenge ...

Plants & Animals Jun 15, 2025

Amazon canopy trees reveal complex strategies for managing intense light and heat

In a recent study published in New Phytologist, researchers at Michigan State University have uncovered how Amazon rainforest canopy trees manage the intense sunlight they absorb—revealing resilience to hot and dry conditions ...

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