News tagged with photon emission
Researchers use nanophotonics to more efficiently extract photons from single semiconductor quantum dots
An international team of researchers led by the CNST has developed a new type of nanophotonic cavity that improves the efficiency of photon collection from individual quantum dots while enhancing the photon ...
Sep 19, 2011 |
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Quantum dots are not dots: physicists
Researchers from the Quantum Photonics Group at DTU Fotonik in collaboration with the Niels Bohr Institute, University of Copenhagen surprise the scientific world with the discovery that light emission from ...
Dec 21, 2010 |
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Physicists may have observed Hawking radiation for the first time
(PhysOrg.com) -- In 1974, Stephen Hawking predicted that black holes emit thermal radiation due to quantum effects, which causes the black holes to lose mass and perhaps ultimately vanish. But despite numerous ...
Sep 28, 2010 |
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Cryogenic electron emission phenomenon has no known physics explanation
(PhysOrg.com) -- At very cold temperatures, in the absence of light, a photomultiplier will spontaneously emit single electrons. The phenomenon, which is called "cryogenic electron emission," was first observed ...
Mar 10, 2010 |
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Looking inside the atom for new technologies
Nuclear physics, which studies the huge variety of nuclei in all the matter that surrounds us, not only provides answers about the evolution of our universe, it also provides the underpinning knowledge needed to exploit nuclear ...
Feb 19, 2010 |
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'Look Mom No Electricity': Transmitting Information with Chemistry
(PhysOrg.com) -- While information technology is generally thought to require electrons or photons for transmitting information, scientists have recently demonstrated a third method of transmission: chemical ...
Chemistry / Analytical Chemistry
Jun 19, 2009 |
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