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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Mode-Locked Semiconductor Laser Sets Power Record

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Researchers at MIT’s Lincoln Laboratory in Lexington, Mass., have passively mode-locked an InGaAsP slab-coupled optical waveguide laser and generated 250 mW of average power at 1.5 μm in 10-ps pulses at a repetition rate of 4.29 GHz. The laser’s unusually high power and pulse energy make it promising for applications from telecommunications and laser ranging to nonlinear optics and research. Unlike other edge-emitting semiconductor lasers, slab-coupled optical waveguide lasers, which were pioneered at the lab, feature a mode that is nearly circular in cross section, thanks to the...Read full article

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    Published: March 2006
    CoatingsCommunicationsInGaAsP slab-coupled optical waveguide laserResearch & Technologysemiconductor lasers

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