A chip that can store light, if only for a microsecond, could be an important step towards lightning-fast optical computers.
Nicolas Gisin of the University of Geneva and his colleagues have built a computer chip that can hold on to photons for a microsecond, long enough to allow some useful computing to be done. What Dr Gisin has created is, in essence, an optical echo chamber.
Full story from The Economist Technology Quarterly.
SPIE Proceedings papers by Nicolas Gisin.