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Scientist Achieve Full Power Dense Coding With Superdense Photons

Source: Dailytech

The world record for the amount of data sent by a single photon was shattered using some intensely cerebral science.

The new record for so called “dense coding” in linear optics, set by researchers at the University of Illinois, involves the use of hyperentanglement to achieve “superdense” coding levels. Paul Kwiat, a John Bardeen Professor of Physics and Electrical and Computer Engineering, explains dense coding stating, “Dense coding is arguably the protocol that launched the field of quantum communication. Today, however, more than a decade after its initial experimental realization, channel capacity has remained fundamentally limited as conceived for photons using conventional linear elements.”

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