News tagged with optical energy
Physicists demonstrate 100-fold speed increase in optical quantum memory
(PhysOrg.com) -- As with today's computers, future quantum computers will require more than just quantum information processing; they will also require methods to store and retrieve the quantum information. ...
Apr 01, 2010 |
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Researchers develop graphene supercapacitor holding promise for portable electronics
(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially ...
Mar 15, 2012 |
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Vertical cavity quantum switch could lead us away from electronics-based computing
(PhysOrg.com) -- Right now, many researchers around the world are working on ways to move away from electronics-dominated computing systems. There are a number of ideas about how this can be accomplished. "We are trying to ...
Jun 30, 2011 |
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Redefining electrical current law with the transistor laser
(PhysOrg.com) -- While the laws of physics weren't made to be broken, sometimes they need revision. A major current law has been rewritten thanks to the three-port transistor laser, developed by Milton Feng ...
May 12, 2010 |
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Revolutionary new camera reveals the dark side of the Universe
(PhysOrg.com) -- A new camera that will revolutionise the field of submillimetre astronomy has been unveiled on the James Clerk Maxwell Telescope (JCMT) in Hawaii SCUBA-2 is far more sensitive and powerful ...
Dec 06, 2011 |
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Using nanophotonics to reshape on-chip computer data transmission
A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and able ...
Nov 15, 2011 |
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Astrophysicists discover new heating source in cosmological structure formation
(Phys.org) -- So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies ...
May 15, 2012 |
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Nanoparticles Increase Intensity of Quantum Dots' Glow
(PhysOrg.com) -- Demonstration of precision DNA-based nanoassembly method for making light-emitting particle clusters could lead to advances in solar cells, optoelectronics, and biosensors
Nanotechnology / Nanomaterials
Jul 26, 2010 |
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Multi-component nano-structures with tunable optical properties
(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory report the first successful assembly of 3-D multi-component nanoscale structures with tunable optical properties ...
Nanotechnology / Nanomaterials
Sep 30, 2010 |
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Breakthrough in nano-optics: Researchers develop plasmonic amplifier
Researchers at the University of Iceland, University of Cologne and the Fraunhofer Institute Jena have demonstrated net optical amplification in a plasmonic waveguide.
May 31, 2010 |
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Seeing Previously Invisible Molecules for the First Time
(PhysOrg.com) -- A team of Harvard chemists led by X. Sunney Xie has developed a new microscopic technique for seeing, in color, molecules with undetectable fluorescence. The room-temperature technique allows ...
Chemistry / Analytical Chemistry
Oct 23, 2009 |
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Tying the knot with computer-generated holograms: Winding optical path moves matter
In the latest twist on optical knots, New York University physicists have discovered a new method to create extended and knotted optical traps in three dimensions. This method, which the NYU scientists describe ...
Mar 15, 2011 |
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Energy Secy advances nano science in spare time
(AP) -- Some people relax by doing crossword puzzles, watching movies or reading a good book. In his down time, often while flying somewhere, Energy Secretary Steven Chu relaxes by tackling a scientific conundrum and stretching ...
Jul 07, 2010 |
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Researchers adapt classic antennas to harness more power from the sun
Some solar devices, like calculators, only need a small panel of solar cells to function. But supplying enough power to meet all our daily needs would require enormous solar panels. And solar-powered energy collected by panels ...
Nov 10, 2011 |
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Dance like a neutrino: Quantum scheme to simulate neutrino oscillations
The behaviour of some of the most elusive particles in the known universe can be simulated using three atoms in a lab, researchers at the Centre for Quantum Technologies (CQT) at the National University of Singapore have ...
Mar 21, 2012 |
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