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Browsing 43 articles

Flipping a Metasurface’s Chirality
synopsis

Flipping a Metasurface’s Chirality

Illuminating a metasurface with a laser can enable the rapid modulation of the polarization of terahertz light transmitted through the metasurface.   Read More »

Improved Training for Energy-Saving Neural Nets
synopsis

Improved Training for Energy-Saving Neural Nets

A new training technique could increase the number of physical systems that could serve as AI platforms.   Read More »

Loss Analysis Boosts OLED Performance
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Loss Analysis Boosts OLED Performance

The mitigation of a previously neglected energy-loss mechanism in organic light-emitting diodes has enabled researchers to enhance both efficiency and lifetime of these devices.   Read More »

Molecular-Orbital Electron Sources
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Molecular-Orbital Electron Sources

Alireza Nojeh –  

The molecular orbitals of a single C60 molecule on a tungsten tip can be used to shape the emission pattern of electrons.   Read More »

Plant-Based Strategy for Harvesting Light
Research News

Plant-Based Strategy for Harvesting Light

A new photodetector design borrows its light-gathering architecture from plants, offering a potential path to more efficient solar cells.   Read More »

Ultrafast Switch from a Bose-Einstein Condensate
focus

Ultrafast Switch from a Bose-Einstein Condensate

A subpicosecond optical switch demonstrated in a semiconductor material moves researchers a step closer to an all-optical computer.   Read More »

Curved Light Channels Have Better Coupling
synopsis

Curved Light Channels Have Better Coupling

More frequencies of light can pass between two coupled wavy waveguides than between two coupled straight ones, something that could allow for more flexible designs of optics-based circuits on silicon chips.   Read More »

Mirror Image Pinpoints a Nanoparticle’s Position
synopsis

Mirror Image Pinpoints a Nanoparticle’s Position

A scattered laser beam’s interaction with itself creates a motion-detection method precise enough to determine whether a trapped particle is in its ground state.   Read More »

Adapting a Surface Microscopy Tool for Quantum Studies
viewpoint

Adapting a Surface Microscopy Tool for Quantum Studies

Tyler Harvey –  

Scanning electron microscopes using laser-engineered electron quantum states enter the quantum optics ring.   Read More »

Device Acts as Both Solar Cell and Battery
focus

Device Acts as Both Solar Cell and Battery

A new photoelectric device can convert light into charge that it can then store indefinitely.   Read More »

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