News tagged with quantum dots

Long-range tunneling of quantum particles

The quantum tunnel effect manifests itself in a multitude of well-known phenomena. Experimental physicists in Innsbruck, Austria, have now directly observed quantum particles transmitting through a whole series of up to five ...

dateJun 12, 2014 in Quantum Physics
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Probing the sound of a quantum dot

( —Physicists at the University of Sydney have discovered a method of using microwaves to probe the sounds of a quantum dot, a promising platform for building a quantum computer.

dateApr 24, 2014 in Quantum Physics
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Quantum dots provide complete control of photons

By emitting photons from a quantum dot at the top of a micropyramid, researchers at Linköping University are creating a polarized light source for such things as energy-saving computer screens and wiretap-proof communications.

dateJan 31, 2014 in Nanophysics
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Small size enhances charge transfer in quantum dots

( —Quantum dots—tiny semiconductor crystals with diameters measured in billionths of a meter—have enormous potential for applications that make use of their ability to absorb or emit light and/or electric charges. ...

dateDec 18, 2013 in Nanophysics
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Quantum dots make efficient decisions

Even the simplest forms of life face an endless barrage of decisions—where to search for sustenance, for example, or how to avoid predators. Various mathematical models can mimic these decision-making processes, coming ...

dateNov 22, 2013 in Nanophysics
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