Laser technique promises super-fast and super-secure quantum cryptography
A new method of implementing an 'unbreakable' quantum cryptographic system is able to transmit information at rates more than ten times faster than previous attempts.
A new method of implementing an 'unbreakable' quantum cryptographic system is able to transmit information at rates more than ten times faster than previous attempts.
Optics & Photonics
Apr 5, 2016
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(Phys.org)—A trio of physicists in Europe has come up with an idea that they believe would allow a person to actually witness entanglement. Valentina Caprara Vivoli, with the University of Geneva, Pavel Sekatski, with ...
The extremely sensitive quantum-spacetime-measuring tool will serve as a template for scientific exploration in the years to come.
General Physics
Dec 4, 2015
34
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A unique experiment at the U.S. Department of Energy's Fermi National Accelerator Laboratory called the Holometer has started collecting data that will answer some mind-bending questions about our universe – including whether ...
General Physics
Aug 26, 2014
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0
Michael Lewis's bestselling book "Flash Boys" describes how some brokers, engaging in high frequency trading, exploit fast telecommunications to gain fraction-of-a-second advantage in the buying and selling of stocks. But ...
Optics & Photonics
May 25, 2014
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2
(Phys.org) —For years, researchers have been interested in developing quantum computers—the theoretical next generation of technology that will outperform conventional computers. Instead of holding data in bits, the digital ...
Quantum Physics
Apr 3, 2014
2
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(Phys.org) —A team made up of researchers from several countries has succeeded in creating a chip that allows for observation of the interference between silicon photon-pair sources. In their paper published in Nature Photonics, ...
(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 would be hopelessly ...
Quantum Physics
Mar 2, 2011
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0
The "spooky action at a distance" that once unnerved Einstein may be on its way to being as pedestrian as the gyroscopes that currently measure acceleration in smartphones.
Optics & Photonics
Apr 20, 2023
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87
A breakthrough in quantum imaging could lead to the development of advanced forms of microscopy for use in medical research and diagnostics.
Optics & Photonics
Apr 12, 2022
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182