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Isn't sending more than one photon always "repetition" in that sense? Classical systems probably don't do that because of the engineering complexity of sending
by resters 2y ago
Isn't sending more than one photon always "repetition" in that sense? Classical systems probably don't do that because of the engineering complexity of sending a single photon at a time -- we had oscillators and switches, not single photon emitters.
- jessriedel 2y ago> Isn't sending more than one photon always "repetition" in that sense? Yes. But regardless of whether its feasible to send single quanta in any given circumstance, the redundant nature of the signals is key to understanding its much higher degree of robustness relative to quantum signals. And to be clear, you can absolutely send a classical signal with individual quanta.
- eru 2y ago> And to be clear, you can absolutely send a classical signal with individual quanta. Yes. Though how 'classical' your understanding of that system is stands to reason?