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Supercomputing Science

Hybrid Technology Could Bring 'Quantum Information Systems' 55

An anonymous reader writes "Researchers at Purdue say the merging of plasmonics and nanophotonics is promising the emergence of new 'quantum information systems' far more powerful than today's computers. Plasmons are quasiparticles that combine electrons and photons. And by using them in place of the simple electrons of today's computers, they could overcome limitations in the operational speed of conventional integrated circuits. The technology hinges on using single photons for switching and routing in computers that would harness the exotic principles of quantum mechanics.'"
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Hybrid Technology Could Bring 'Quantum Information Systems'

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  • by byornski ( 1022169 ) on Saturday October 29, 2011 @11:09PM (#37883678)
    The whole point in quantum computing is that it is not random but completely deterministic through the wavefunction. Only the measurements of quantum states are "random" and this is because you are forcing the system to take one of a few discrete values. Through multiple measurements, we can pin down the expectation (average) value of the observable which should be constant for constant inputs on a certain calculation.

Thus mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true. -- Bertrand Russell

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