News tagged with quantum efficiency
Solar Cell Researcher Explores Nanotech Ideas
Nanotechnology / Nanomaterials
Oct 05, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- A UT Dallas researcher envisions a time soon when plastic sheets of solar cells are inexpensively stamped out in factories and then affixed to cell phones, laptops and other power-hungry mobile ...
Discovery of Non-blinking Semiconductor Nanocrystals Advances their Applications
Nanotechnology / Nanomaterials
May 28, 2009 |
1 / 5 (1) |
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(PhysOrg.com) -- Substantial advances for applications of nanocrystals in the fields requiring a continuous output of photons and high quantum efficiency may soon be realized due to discovery of non-blinking semiconductor ...
Discovery of non-blinking semiconductor nanocrystals advances their applications
Nanotechnology / Nanomaterials
May 14, 2009 |
5 / 5 (4) |
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Substantial advances for applications of nanocrystals in the fields requiring a continuous output of photons and high quantum efficiency may soon be realized due to discovery of non-blinking semiconductor nanocrystals. ...
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Quantum Dots Could Boost Solar Cell Efficiency
Mar 11, 2009 |
4 / 5 (4) |
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(PhysOrg.com) -- The transition to environmentally benign energy sources is one of the most significant challenges of the 21st century. Solar power, which uses sunlight to generate electricity, is one promising source. It ...
Could better spin injection lead to a quantum information device?
Jun 30, 2008 |
4.3 / 5 (19) |
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One of the more promising types of materials for use in spintronics today is the class of metal alloys known as Heusler alloys. These alloys are named after a German engineer, and might be useful in technology in which electron ...
A broadband single-photon source
Sep 19, 2008 |
4.7 / 5 (36) |
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As science makes progress toward practical quantum computing, improved quantum cryptography and scalable quantum communications systems, single photon sources will become more important. Until now, though, ...
Quantum dots as midinfrared emitters
Feb 23, 2009 |
4.1 / 5 (10) |
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(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...
Quantum computers will require complex software to manage errors
Apr 08, 2009 |
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(PhysOrg.com) -- Highlighting another challenge to the development of quantum computers, theorists at the National Institute of Standards and Technology have shown* that a type of software operation, proposed ...
Photonic quantum technologies could be only light years away
Aug 30, 2007 |
3.2 / 5 (18) |
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Photonic quantum information science could soon move out of the laboratory and be used in future technologies like quantum computers thanks to a grant of over £1 million.
Making strides in quantum dot infrared photodetectors
Jun 05, 2007 |
4.3 / 5 (7) |
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Researchers at Northwestern University have made significant strides in the development of quantum dot infrared photodetectors -- technology that may provide new imaging techniques with applications in medical and biological ...
Measuring quantum information without destroying it
Jan 15, 2009 |
4.6 / 5 (11) |
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(PhysOrg.com) -- One of the Holy Grails - so to speak - of science involves building quantum computers that can perform, with accuracy, the computations too advanced and too large for classical computers. While we remain ...
Achieving optimal efficiencies for nanoengines
Apr 29, 2009 |
3.8 / 5 (8) |
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(PhysOrg.com) -- "There's a lot of recent interest in understanding the functioning and optimal performance of small systems," Katja Lindenberg tells PhysOrg.com. Lindenberg is a scientist in the Department of Chemistry and Bi ...
Future 'quantum computers' will offer increased efficiency... and risks
Mar 05, 2008 |
4.1 / 5 (40) |
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An unusual observation in a University of Central Florida physics lab may lead to a new generation of “Quantum Computers” that will render today’s computer and credit card encryption technology obsolete.
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