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Best Lasers May Be Misanthropes

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Stephanie A. Weiss

Quantum dots are antisocial, and that's good news for Sandia National Laboratory researchers who want to make better lasers. Quantum dots, atomic islands of material that appear on semiconductor thin films, can produce laser light. Their very small size and 3-D nature modify the fundamental photonic properties of the film. Packing more dots into a small area makes a more intense light source, and shrinking the dots reduces their wavelength into some spectral regions that semiconductor lasers can't easily reach otherwise. The problem with quantum dots is that it's hard to create...Read full article

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    Published: October 1999
    Basic ScienceResearch & Technologysemiconductor lasersTech PulseLasers

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