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Inevitable Imperfection Produces Nanolaser

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Nanostructures are imperfect, so it has been impossible thus far to develop optical chips that can control light. But now such imperfection is now proving perfect for a whole new set of uses. A team from the Niels Bohr Institute at the University of Copenhagen and from Technical University of Denmark took advantage of imperfect optical chips to create a nanolaser: a controllable, compact, energy-efficient light source. Researchers are working to create as perfect a regular structure of holes as possible to control light in certain optical circuits. Images courtesy of Nature...Read full article

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    Published: March 2014
    Glossary
    nanometer
    A unit of length in the metric system equal to 10-9 meters. It formerly was called a millimicron.
    waveguide
    A waveguide is a physical structure or device that is designed to confine and guide electromagnetic waves, such as radio waves, microwaves, or light waves. It is commonly used in communication systems, radar systems, and other applications where the controlled transmission of electromagnetic waves is crucial. The basic function of a waveguide is to provide a path for the propagation of electromagnetic waves while minimizing the loss of energy. Waveguides come in various shapes and sizes, and...
    atomsDenmarkenergyEuro NewsEuropefiber opticsGaAsgallium arsenideholesLight SourcesMaterialsnanolasersnanometernanostructuresNiels Bohr Instituteoptical chipsOpticsPeter LodahlResearch & TechnologyTech PulseTechnical University of DenmarkWaveguideimperfectphotonic crystal membranesQuantum Photonic research groupirregular holesLasers

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