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Double-Ring Laser Increases Tunability

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Gary Boas

Wavelength-tunable semiconductor lasers incorporating sampled-grating distributed Bragg reflector or superstructure-grating distributed Bragg reflector designs are boosting the capacity and flexibility of optical networks. Researchers in California now have proposed a novel tunable laser that promises even better characteristics for telecommunications applications. A new design for a microring semiconductor laser promises improved tunability and overall performance for telecommunications applications. The passively coupled, double-ring structure couples only radiation at the resonance...Read full article

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    Published: August 2002
    Basic ScienceCommunicationsResearch & Technologysemiconductor lasersTunable LasersLasers

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