• At Oxford University, meanwhile, Andrew Turberfield and Bob Denning are using crossed laser beams to create so-called photonic crystals.

    ECONOMIST: Microelectronics grows up

  • Like all other crystals, photonic crystals are built up from regular, repeating elements.

    ECONOMIST: New-age crystals

  • The elements in photonic crystals are significantly bigger than that—they are clearly visible under a microscope—but their arrangement can still, for many purposes, be considered crystalline.

    ECONOMIST: New-age crystals

  • Last month, in conjunction with Shawn-Yu Lin of the Sandia National Laboratories in New Mexico, the group showed that photonic crystals can guide light on a far smaller scale than was previously possible.

    ECONOMIST: New-age crystals

  • Dr Yablonovitch's photonic crystals are multi-talented.

    ECONOMIST: New-age crystals

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