Reviews & Analysis

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  • Optical technology is becoming smaller and smaller, and it doesn't get much smaller than nanophotonic devices and metamaterials. NANOMETA-2007 gave researchers the opportunity to gather together in the cold to discuss these hot topics.

    • David Gevaux
    News & Views
  • Controlling light in optical systems quickly and easily is crucial for all-optical switching. An approach that does this by exploiting the condensation of gases in a porous structure could open up new avenues in the switching field.

    • Yuri Kivshar
    News & Views
  • Slow light has captured the imagination of physicists for over a decade. Although single light pulses have been slowed down in a variety of settings, a group at Rochester University has now managed to delay an entire image for the first time.

    • Alexander L. Gaeta
    News & Views
  • Despite two decades of work geared towards improving the nonlinear optical properties of organic molecules, practical organic light modulators have not yet reached the market in large numbers. New organic-inorganic hybrid approaches may revolutionize the field.

    • Michael Hayden
    News & Views
  • A Cambridge start-up company is opening a large manufacturing facility for organic electronic circuits. The news is expected to accelerate the deployment of electronic-paper displays.

    • Duncan Graham-Rowe
    News & Views
  • Using quantum optics to process data could herald a new era of information technology. With the latest semiconductor source of photons, researchers are paving the way towards this enticing goal.

    • Markus Aspelmeyer
    News & Views
  • Lasers are a triumph of modern optics, and mirrors play a crucial role in the coherent light produced. A hi-tech reflector could make lasers a lot smaller and lead to their inclusion in an even wider range of optical devices.

    • Alan E. Willner
    News & Views
  • Advances in laser-based fabrication technology have resulted in the construction of the first three-dimensional silicon photonic quasicrystals that operate in the infrared.

    • Che Ting Chan
    News & Views
  • A new method for slowing down light pulses while minimizing pulse distortion could help create practical photonic devices that route bits of information in optical-telecommunication systems.

    • Daniel J. Gauthier
    News & Views
  • By adding a tiny hole into the solid-core of a photonic-crystal fibre, scientists have been able to beat the diffraction limit and confine and guide light in the subwavelength regime.

    • Tanya Monro
    News & Views
  • For optical devices to be truly useful, they must be able to control light of any polarization. A group at MIT has now made this possible, bringing us a step closer to unlocking the potential of on-chip optics.

    • John Fini
    News & Views
  • Most optical probes measure the size of the electromagnetic field, but not its direction. A new development in near-field imaging now makes it possible to map vector fields on the nanoscale as never before.

    • Francisco J. García-Vidal
    News & Views
  • Controlling light with light using devices small enough to fit on a chip is tricky, but it is crucial for any integrated all-optical logic scheme. Scientists have now produced modulators that control light at breakneck speeds, bringing the vision of all-optical chips closer to reality.

    • Michal Lipson
    News & Views
  • The promising field of terahertz imaging has long been limited by poor resolution. Researchers now believe that the intriguing properties of surface-plasmon polaritons on corrugated wires could help beat the diffraction limit and inspire a new generation of terahertz photonic devices.

    • Michael B. Johnston
    News & Views
  • The ability to rapidly tune the properties of a photonic crystal nanocavity and 'program' it to store light for more than a nanosecond brings optical memory a step closer.

    • Toshihiko Baba
    News & Views