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High-power single-transverse-mode ridge optical waveguide semiconductor lasers
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2002
Year
Optical MaterialsEngineeringLaser ScienceLaser ApplicationsLaser PhysicsLaser MaterialSuper-intense LasersHigh-power LasersLaser ControlOptical AmplifierBeam OpticSemiconductor LasersOptical PropertiesSemiconductor HeterolaserGuided-wave OpticPhotonicsPhysicsLaser Beam PropagationLaser DesignRidge StructureHigh AccuracyApplied PhysicsHigh-energy LasersWaveguide LasersOptoelectronics
More than 200 mW of a single-transverse-mode cw output power is produced from a semiconductor heterolaser by optimising the waveguide properties of its ridge structure. The laser-beam divergence is close to the diffraction limit and its brightness exceeds 5 × 107 W cm-2 sr-1. The calculated and experimental parameters of the laser beam are coincident with a high accuracy, which allows their reliable simulation.