• Andrew Forbes

    Andrew Forbes is head of the Structured Light Laboratory and a distinguished professor in the School of Physics at University of the Witwatersrand (Johannesburg, South Africa).

    Credit: Pedro Ornelas
    Two entangled photons, A and B, are engineered to be topological. After passing through a noisy real-world system, the entanglement decays but the topology remains intact.
    Andrew Forbes
    April 14, 2025
    Advances in topology work reveal its promise as a tool to embed information into quantum light as well as read it out—forming the basis for a topological alphabet.