New approach enhances quantum-based secure communication
University of Calgary scientists have overcome an 'Achilles' heel' of quantum-based secure communication systems, using a new approach that works in the real world to safeguard secrets.
University of Calgary scientists have overcome an 'Achilles' heel' of quantum-based secure communication systems, using a new approach that works in the real world to safeguard secrets.
Quantum Physics
Sep 4, 2013
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Pentagon-supported physicists on Wednesday said they had devised a "time cloak" that briefly makes an event undetectable.
General Physics
Jan 4, 2012
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(PhysOrg.com) -- The merging of two technologies under development - plasmonics and nanophotonics - is promising the emergence of new "quantum information systems" far more powerful than today's computers.
Optics & Photonics
Oct 27, 2011
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Charles Kao, Willard Boyle and George Smith won the 2009 Nobel Physics Prize Tuesday for pioneering "masters of light" work on fibre optics and semiconductors, the Nobel jury said.
General Physics
Oct 6, 2009
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Seismic monitoring of glaciers is essential to improving our understanding of their development and to predicting risks. SNSF Professor Fabian Walter has come up with a new monitoring tool in the form of optical fibers. The ...
Earth Sciences
May 15, 2020
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Fibre-optic cables can be used to detect earthquakes and other ground movements. The data cables can also pick up seismic signals from hammer shots, passing cars or wave movements in the ocean. This is the result of a study ...
Earth Sciences
Jul 3, 2018
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(PhysOrg.com) -- For the first time, scientists have succeeded in measuring and controlling the lifetime of quantum states with potential use in optoelectronic chips. This achievement is highly significant for the ongoing ...
Quantum Physics
Apr 14, 2009
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Scientists have for the first time shown that it is possible to detect the propagation of seismic waves on the seafloor using submarine telecommunications cables. According to their observations, this existing infrastructure ...
Earth Sciences
Dec 18, 2019
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They say time waits for no man but David Gozzard might have found a way to at least tame it.
General Physics
Jul 28, 2015
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Taiwan said Monday it had put into service its first undersea seismic observation system, giving the island life-saving extra seconds or even minutes to brace for earthquakes and tsunamis.
Earth Sciences
Nov 14, 2011
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An optical fiber cable is a cable containing one or more optical fibers. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed.
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