News tagged with entangled state
Creating a six-qubit cluster state
(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...
Nov 02, 2009 |
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Physicists Investigate Unusual Four-Qubit Entanglement
(PhysOrg.com) -- For the first time, physicists have experimentally demonstrated a four-qubit bound-entangled state - a peculiar form of entanglement that cannot be distilled (optimized) by the usual means. ...
Sep 30, 2009 |
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Computing in the quantum dimension
A huge consortium of European researchers is solving some of the fundamental obstacles blocking real quantum computing applications in the short term. At the same time, it is helping to pave the way to a quantum ...
Jun 12, 2009 |
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Manipulating light on a chip for quantum technologies
(PhysOrg.com) -- A team of physicists and engineers at Bristol University has demonstrated exquisite control of single particles of light — photons — on a silicon chip to make a major advance towards long-sought-after ...
Jun 05, 2009 |
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Physicists detect entanglement of one photon shared among four locations
Scientists at the California Institute of Technology (Caltech) have developed an efficient method to detect entanglement shared among multiple parts of an optical system. They show how entanglement, in the form of beams of ...
May 08, 2009 |
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Quantum cat's 'whiskers' offer advanced sensors
(PhysOrg.com) -- A team led by Oxford University scientists has turned one of the key problems with quantum entangled systems - that they are easily ‘disturbed’ by their environment - into an advantage which ...
Apr 24, 2009 |
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Quantum technologies move a step closer with the demonstration of an 'entanglement' filter
(PhysOrg.com) -- A team of physicists and engineers has demonstrated an optical device that filters two particles of light (or photons) based on the correlations between their polarisation that are only allowed in the seemingly ...
Jan 22, 2009 |
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Scientists Extend the Lifetime of Quantum Memory
(PhysOrg.com) -- Storing and sending information using quantum phenomena is one of the hottest areas of research today; scientists across the globe are investigating how to make quantum communication possible for real-life ...
Jan 02, 2009 |
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