• Question: john g whats a photonic device

    Asked by niamh heffernan to John G on 11 Nov 2014.
    • Photo: John Ging

      John Ging answered on 11 Nov 2014:


      A photonic device is basically a circuit that allows packets of light called photons to pass through it. Its the same as a set of wires except its usually made of glass – like fiber optics. Its what brings broadband to many homes (or lights up some Christmas trees).

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