Browsing 134 articles

Lab-Created Aurora Highlights New Polymer Physics
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Lab-Created Aurora Highlights New Polymer Physics

The discovery of a mini aurora above a light-emitting polymer material reveals an electron-ejection process that might be useful in field-emission displays and material fabrication.   Read More »

Exciton Ensembles Manifest Coherence
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Exciton Ensembles Manifest Coherence

Evidence of coherent light emission from excitons in a 2D-material structure could inspire new quantum-technology applications.   Read More »

A Solid Observation of Strong Kerr Nonlinearity
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A Solid Observation of Strong Kerr Nonlinearity

Mitsuyoshi Takahata and Nobuko Naka –  

Researchers have demonstrated that a solid can exhibit an enhanced nonlinear optical phenomenon usually seen only in cold atomic gases.   Read More »

Semiconductors in the Spotlight
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Semiconductors in the Spotlight

A new model suggests that lattice defects are responsible for the way some semiconductors become harder under illumination.   Read More »

Ultrafast Switch from a Bose-Einstein Condensate
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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 »

The Shrinking Transistor
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The Shrinking Transistor

Researchers have identified the best silicon and silicon dioxide materials for the next generation of transistors, which are expected to be just a nanometer long.   Read More »

Explaining Asymmetric Emission from Quantum Dots
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Explaining Asymmetric Emission from Quantum Dots

A new experiment on the emission spectrum of quantum dots in photonic-crystal microcavities supports a recently proposed theory of cavity quantum electrodynamics.   Read More »

Two Spins Take the Quantum Bus
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Two Spins Take the Quantum Bus

Guido Burkard –  

Coupling between remote spins on a chip via virtual photons exchanged through a superconducting resonator could lead to gate operations between distant spin qubits.   Read More »

Device Acts as Both Solar Cell and Battery
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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 »

A Noninvasive Quantum Thermometer
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A Noninvasive Quantum Thermometer

A quantum dot can measure ultracold temperatures without the need for direct electrical connections to the outside world.   Read More »

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