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Originally Posted by tlbs101
Now you can take one of these loops with you some far distance away. To send a message, simply modulate the polarization of the photons in the loop (many commercial products available for this). To receive the message (instantaneously) at the "base" loop, simply observe the bulk changes in polarization (again, possible with current commercial technology).
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Wouldn't a big loop be rather inconvenient since you could send only one bit before it becomes useless? That is, unless you could sort out photons and manipulate/measure them in previously agreed on order. Many small loops would be more useful, but certainly not very handy.