Authors: George Rajna
Quantum mechanics and the general theory of relativity form the bedrock of the current understanding of physics-yet the two theories don't seem to work together.  Physicists from Professor Johannes Fink's research group at the Institute of Science and Technology Austria (IST Austria) have found a way to use a mechanical oscillator to produce entangled radiation.  The key to ghost imaging is to use two or more correlated beams of particles.  Physicists at the University of Alberta in Canada have developed a new way to build quantum memories, a method for storing delicate quantum information encoded into pulses of light.  Now, an Australian research team has experimentally realised a crucial combination of these capabilities on a silicon chip, bringing the dream of a universal quantum computer closer to reality.  A theoretical concept to realize quantum information processing has been developed by Professor Guido Burkard and his team of physicists at the University of Konstanz.  As the number of hacks and security breaches rapidly climbs, scientists say there may be a way to make a truly unhackable network by using the laws of quantum physics.  This world-first nanophotonic device, just unveiled in Nature Communications, encodes more data and processes it much faster than conventional fiber optics by using a special form of 'twisted' light.  Purdue University researchers created a new technique that would increase the secret bit rate 100-fold, to over 35 million photons per second.  Physicists at The City College of New York have used atomically thin two-dimensional materials to realize an array of quantum emitters operating at room temperature that can be integrated into next generation quantum communication systems. 
Comments: 74 Pages.
[v1] 2019-09-20 03:08:41
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