News articles tagged with 'photon'
Swiss scientists prove durability of quantum network
— 2 Dec 2011 10:35 | PhysicsScientists and engineers have proven the worth of quantum cryptography in telecommunication networks by demonstrating its long-term effectiveness in a real-time network…
Scientists create light from vacuum
— 18 Nov 2011 17:04 | PhysicsScientists at Chalmers University of Technology have succeeded in creating light from vacuum - observing an effect first predicted over 40 years ago. The results were published in the…
Berkeley Lab researchers make first perovskite-based superlens for the infrared
— 30 Mar 2011 16:22 | TechnologySuperlenses earned their superlative by being able to capture the 'evanescent' light waves that blossom close to an illuminated surface and never travel far enough to be 'seen' by a…
Tiny 'on-chip detectors' count individual photons
— 17 Mar 2011 20:54 | TechnologyA 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…
Berkeley Lab scientists control light scattering in graphene
— 17 Mar 2011 20:09 | TechnologyScientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California at Berkeley have learned to control the quantum pathways…
A small quantum leap
— 11 Mar 2011 15:31 | PhysicsNorthwestern University researchers have developed a new switching device that takes quantum communication to a new level. The device is a practical step toward creating a network that…
New MIT developments in quantum computing
— 3 Mar 2011 14:08 | TechnologyQuantum 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…
Etched quantum dots shape up as single photon emitters, NIST tests show
— 24 Feb 2011 20:17 | TechnologyLike 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,…
International team of scientists says it's high 'NOON' for microwave photons
— 16 Feb 2011 03:59 | TechnologyAn important milestone toward the realisation of a large-scale quantum computer, and further demonstration of a new level of the quantum control of light, were accomplished by a team…
Seeing the light: Berkeley Lab scientists bring plasmonic nanofields into focus
— 5 Feb 2011 14:30 | TechnologyIn typical plasmonic devices, electromagnetic waves crowd into tiny metal structures, concentrating energy into nanoscale dimensions. Due to coupling of electronics and photonics in…