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    Structured Light Could Be Route to Higher Information Capacity per Photon

    Article obtained from Photonics RSS Feed.

    Researchers from the University of Witswatersrand (Wits) have reported on progress made in the use of structured light in quantum protocols to create a larger encoding alphabet. The researchers said that since patterns of light can be distinguished from each other, they can be used as a form of alphabet. “Light comes in a variety of patterns that can be made unique — like our faces,” professor Andrew Forbes said. “There are, in principle at least, an infinite set of patterns, so an infinite alphabet is available.”

    Quantum protocols have traditionally been implemented using the polarization of light, which has only two values and can provide only a two-level system with a maximum information capacity per…

    Nov, 04 2019 |

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