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question for ya guys


tabasco man

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Can quantum waves be used as a means to el communicato
One thing that comes close to an answer, in the spirit that I imagine this question was intended is the speculation that you can have communication between a pair of nanodevices on a chip, by placing them at the foci of a quantum corral.

http://www.scienceforums.net/forums/showthread.php?t=5230

 

Another answer that comes to mind is the possible use of photon polarizations to designate binary bits to achieve encrypted communication that overcomes the key distribution problem.

http://www.scienceforums.net/forums/showthread.php?t=13255

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I guess I mean is there anything in the whole quantum subject that could be used for communication, kinda like what we got with the ol radio waves

 

 

Well last time I studied any QM stuff we studeied EM waves one "type" of which is radio waves. But I belive there is a whole branch called Quantum Communications...

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Another answer that comes to mind is the possible use of photon polarizations to designate binary bits to achieve encrypted communication that overcomes the key distribution problem.

http://www.scienceforums.net/forums/showthread.php?t=13255

 

Simiarly you can use the spin of an atom or subatomic particle to represent binary bits which can also be used in quantum encryption.

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One difference between e.g. quantum entanglement and using radio waves for coommunication is that even though photons are quantum, the basics of radio waves are classical in nature - you aren't taking advantage of the quantum nature. Quantum entanglement schemes take advantage of the quantum nature to give higher fidelity than could be achieved by classical means.

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