News tagged with photons
Related topics: light , electrons , quantum computing , physical review letters , quantum mechanics
Researchers discover way to create true-color 3-D holograms
(PhysOrg.com) -- Satoshi Kawata, Miyu Ozaki and their team of photonics physicists at Osaka University in Japan, have figured out a way to capture the original colors of an object in a still 3-D hologram by ...
Apr 08, 2011 |
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Finding the failed supernovae
When high mass stars end their lives, they explode in monumental supernovae. But, when the most massive of these monsters die, theory has predicted that they may not even reveal as much as a whimper as their ...
Apr 04, 2011 |
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Transmission lines for nanofocusing of infrared light
A joint cooperation between three research groups at nanoGUNE reports an innovative method to focus infrared light with tapered transmission lines to nanometer-size dimensions. This device could trigger the ...
Apr 04, 2011 |
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New laser technology prepares to revolutionize communications
As fiber optic technology continues to advance, it faces challenges from both its physical properties and its use of infrastructure. One emerging high-speed solution being developed at Stevens Institute of Technology uses ...
Mar 28, 2011 |
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Companion stars could cause unexpected X-rays
Many types of main sequence stars emit in the X-ray portion of the spectra. In massive stars, strong stellar winds ripping through the extended atmosphere of the star create X-ray photons. On lower mass stars, ...
Mar 25, 2011 |
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Silicon, nitride LEDs integrated onto a single chip for one-bit digital counters
Silicon-based semiconductor devices dominate the microelectronics industry and are used for the fabrication of high density integrated circuits comprising of memory and processing devices. However, silicon ...
Mar 25, 2011 |
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Protein biologists find new chink in staph's armor
(PhysOrg.com) -- The battle against deadly staph infections is closer to victory as Illinois researchers have uncovered secrets of how the bacterium protects itself from human immune attacks, which could lead to more effective ...
Mar 25, 2011 |
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Tiny 'on-chip detectors' count individual photons
A team of researchers has integrated tiny detectors capable of counting individual photons on computer chips. These detectors, called "single-photon avalanche diodes (SPAD)," act like mini Geiger counters, producing a "tick" ...
Mar 17, 2011 |
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Extending resonant diffraction to very high energies for structural studies of complex materials
(PhysOrg.com) -- Researchers utilizing the U.S. Department of Energy's Argonne Advanced Photon Source (APS) have added a twist to the high-energy x-ray pair-distribution-function (PDF) technique by conducting ...
Mar 16, 2011 |
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Scientists reverse Doppler Effect
(PhysOrg.com) -- Researchers from Swinburne University and the University of Shanghai for Science and Technology have for the first time ever demonstrated a reversal of the optical ‘Doppler Effect’ ...
Mar 07, 2011 |
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New experiment would use quantum effects to perform otherwise intractable calculations
(PhysOrg.com) -- Quantum computers are computers that exploit the weird properties of matter at extremely small scales. Many experts believe that a full-blown quantum computer could perform calculations that ...
Mar 02, 2011 |
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Fingerprints of a gold cluster revealed
Nanometre-scale gold particles are currently intensively investigated for possible applications in catalysis, sensing, photonics, biolabelling, drug carriers and molecular electronics. The particles are prepared ...
Feb 28, 2011 |
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Nanofabrication tools may make silicon optical chips more accessible
In an effort to make it easier to build inexpensive, next-generation silicon-based electro-optical chips, which allow computers to move information with light and electricity, a University of Washington photonics ...
Feb 25, 2011 |
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Scientists show atoms act like lasers
(PhysOrg.com) -- Scientists from The Australian National University have developed an atom laser that behaves exactly like a light laser, opening up new possibilities in things like holograms.
Feb 25, 2011 |
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Etched quantum dots shape up as single photon emitters
(PhysOrg.com) -- Like snowflakes or fingerprints, no two quantum dots are identical. But a new etching method for shaping and positioning these semiconductor nanocrystals might change that. What's more, tests ...
Feb 23, 2011 |
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