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Quantum Dots

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Sponsored Update

Quantum Dots promise the End of Product Piracy

Quantum Dots promise the End of Product Piracy
Life Technologies and Nanosys, Inc. today announced to partner to bring to market Anti-Counterfeiting Solutions based...
Read more Mar 23 2009, 7:32am CDT
 

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Unleashing the power of quantum dot triplets

Source: PhysOrg.com

Quantum computers have yet to materialise. Yet, scientists are making progress in devising suitable means of making such computers faster. One such approach relies on quantum dots—a kind of artificial atom, easily controlled by applying an electric field. A new study demonstrates that changing the coupling of three coherently coupled quantum dots (TQDs) with electrical impulses can help better control them. This has implications, for example, should TQDs be used as quantum ...
Full article at: PhysOrg.com 1 day ago, 8:46am CDT
 

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Unleashing the power of quantum dot triplets

Source: Science Daily

Another step towards faster computers relies on three coherently coupled quantum dots used as quantum information units. Quantum computers have yet to materialize. Yet, scientists are making progress in devising suitable means of making such computers faster. One such approach relies on quantum dots-a kind of artificial atom, easily controlled by applying an electric field. A new study demonstrates that changing the coupling of three coherently coupled quantum dots (TQDs) with el ...
Full article at: Science Daily 1 day ago, 8:40am CDT
 

Unleashing the power of quantum dot triplets

Source: Nanowerk Nanotechnology Spotlight

Another step towards faster computers relies on three coherently coupled quantum dots used as quantum inf ...
Full article at: Nanowerk Nanotechnology Spotlight 1 day ago, 7:22am CDT
 

3D Tetrapod Quantum Dots Outperform

Source: EE Times

Tetrapod quantum dots offer brighter more colorful organic light emitting diode displays as well as anti-counterfeiting capabilities for currency, microchips, 3D-printed objec ...
Full article at: EE Times Jul 11 2014, 12:07pm CDT
 

Atomic Quantum Dot Based Quantum Cellular Automata

Source: RedOrbit

It has been discovered that single silicon atoms on an ordinary silicon crystal serve as "quantum dots", enabling control over single electrons and thereby enabling revolutionary computation schemes that consume miniscule power. This new control over electrons may be put to use in a number of ways. For example, the "QCA" (quantum cellular automata) mechanism proposed by Craig Lent ...
Full article at: RedOrbit Jul 7 2014, 10:00am CDT
 

Quantum control and process tomography of a semiconductor quantum dot hybrid qubit

Source: Nature

The similarities between gated quantum dots and the transistors in modern microelectronics—in fabrication methods, physical structure and voltage scales for manipulation—have led to great interest in the development of quantum bits (qubits) in semiconductor quantum dots. Although quantum dot spin qubits have demonstrated long coherence times, their manipulation is often slower than desired for important future applications, such ...
Full article at: Nature Jul 2 2014, 12:00am CDT
 

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Quantum dots created with single-atom precision

Source: Science Daily

Physicists have used a scanning tunneling microscope to create quantum dots with identical, deterministic sizes. The perfect reproducibility of these dots opens the door to quantum dot architectures completely free of uncontrolled variations, an important goal for technologies from nanophotonics to quantum information processing as well as for fundamental studies ...
Full article at: Science Daily Jun 30 2014, 8:45am CDT
 

Researchers create quantum dots with single-atom precision

Source: PhysOrg.com

A team of physicists from the Paul-Drude-Institut für Festkörperelektronik (PDI) in Berlin, Germany, NTT Basic Research Laboratories in Atsugi, Japan, and the U.S. Naval Research Laboratory (NRL) has used a scanning tunneling microscope to create quantum dots with identical, deterministic sizes. The perfect reproducibility of these dots opens the door to quantum dot architectures completely free of uncontrolled variations, an important goal for technologies from nanophotonics to q ...
Full article at: PhysOrg.com Jun 30 2014, 5:28am CDT
 

Nanotechnology researchers create quantum dots with single-atom precision

Source: Nanowerk Nanotechnology Spotlight

Physicists have used a scanning tunneling microscope to create quantum dots with identical, deterministic sizes. The perfect reproducibility of these dots opens the door to quantum dot architectures completely free of uncontrolled variations, an important goal for technologies from nanophotonics to q ...
Full article at: Nanowerk Nanotechnology Spotlight Jun 30 2014, 4:37am CDT
 



 

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