Excitons pave the way to higher-performance electronics

After developing a method to control exciton flows at room temperature, EPFL scientists have discovered new properties of these quasiparticles that can lead to more energy-efficient electronic devices.

Kirigami-inspired technique manipulates light at the nanoscale

Nanokirigami has taken off as a field of research in the last few years; the approach is based on the ancient arts of origami (making 3-D shapes by folding paper) and kirigami (which allows cutting as well as folding) but ...

Polarized light—a simple route to highly chiral materials

Researchers at the University of Tokyo used an efficient method to create chiral materials using circularly polarized light. Depending on whether left- or right-polarized, the light source induced electric fields at opposite ...

Quantum shift shows itself in coupled light and matter

A team led by Rice University scientists used a unique combination of techniques to observe, for the first time, a condensed matter phenomenon about which others have only speculated. The research could aid in the development ...

Nanoparticle gel controls twisted light with magnetism

"Help me, Obi Wan Kenobi. You're my only hope." For many of those around at the release of Star Wars in 1977, that scene was a first introduction to holograms—a real technology that had been around for roughly 15 years.

Physicists explore elusive high-energy particles in a crystal

Mid-infrared wavelengths of light are invisible to the eye but can be useful for a number of technologies, including night vision, thermal sensing, and environmental monitoring. Now, a new phenomenon in an unconventional ...

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