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Volume 4 Issue 9, September 2010

Graphene is attracting signficant attention from the optical community for its potential use in photodetectors, solar cells, saturable absorbers and light-emitting devices.

Cover design by Tom Wilson.

Review article by F. Bonaccorso et.al

Volume 4 Issue 9

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Editorial

  • Given that an article can't be published until any artwork issues are resolved, it makes sense to get it right first time and avoid delays.

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Research Highlights

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News & Views

  • Photonic crystal nanocavities can strongly enhance the interaction between light and matter. Researchers have now demonstrated high-speed signal generation and all-optical switching with energies in the femtojoule and sub-femtojoule regime.

    • Christian Koos
    • Juerg Leuthold
    • Wolfgang Freude

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    News & Views

  • Using a clever design of polarization optic, Italian researchers have successfully created four-level 'ququart' quantum states using the polarization and orbital angular momentum of single photons. This approach may help to realize more effective forms of quantum communication.

    • Stanislav Straupe
    • Sergei Kulik

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    News & Views

  • An infrared laser pacemaker that can optically synchronize the beat of an embryonic heart shows great promise for developmental biology, and perhaps ultimately for use as a pacemaker in humans.

    • Nicholas I. Smith

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    News & Views

  • The Linac Coherent Light Source at the Stanford Linear Accelerator Center in the USA is producing coherent soft and hard X-rays at a brightness nearly ten orders of magnitude larger than synchrotron sources, heralding a new era in ultrafast science.

    • Steven Jamison

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  • The study of dissipative solitons is not only increasing our understanding of nonlinear systems but may also help develop high-performance short-pulse lasers and devices for optical information processing.

    • Rachel Won

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Business News

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Profile

  • The concentrator photovoltaics market is becoming increasingly crowded. Nadya Anscombe finds out what makes German company Concentrix Solar stand out from the crowd.

    • Nadya Anscombe

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Industry Perspective

  • Sphelar solar-cell technology uses an array of tiny spheres of silicon within a transparent matrix to generate power, promising new opportunities for the use of solar cells in power-generating windows and portable, foldable power supplies.

    • Kenichi Taira
    • Josuke Nakata

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    Industry Perspective
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Product Highlights

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Interview

  • Belgian research institute imec is uniquely capable of manufacturing both polymer and small-molecule organic photovoltaic technology.Nadya Anscombetalks to Tom Aernouts, team leader of the organic photovoltaic division at imec, about these competing technologies.

    • Nadya Anscombe

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Review Article

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Letter

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Interview

  • A scheme for the remote sensing of terahertz waves over distances of tens of metres could have important applications in security and biology. Xi-Cheng Zhang from the Rensselaer Polytechnic Institute spoke toNature Photonicsabout his group's latest work in this field.

    • Noriaki Horiuchi

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  • In a time when many industries are struggling, it is a pleasant surprise to see the solar-cell industry experiencing unprecedented growth.

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