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An ARPA-E project will use advanced, nanostructured materials to make solar cells that convert far more of the energy in sunlight into electricity.
An optical waveguide is an important step toward a completely new kind of computer.
A nanoscale version of a TV antenna directs light.
Researchers suggest an optical processing method that could lead to faster telecommunications.
A thin layer of glass makes “sub-wavelength” lasers more practical.
A layer of light-absorbing particles boosts digital image quality.
A new form of silicon could create cheaper photo detectors that are easier to make in bulk.