Applied Physics Letters · 1985 · 29 citations · 13 references
EngineeringElectrical EngineeringOptical MaterialsOptoelectronicsPhotonicsLaser DiodesLaser PhysicsOptical SourcesSemiconductor LasersWide-bandgap Semiconductor DevicesWide-bandgap SemiconductorsDistributed Feedback LasersHeterostructure DevicesHeterostructure LasersLasersLow-threshold Current LasersOptical GainSemiconductor Laser FabricationSingle-mode Operation
GaInAsP/InP distributed feedback lasers have been fabricated with a simple new design in which the grating is etched into the top of a mass-transported buried heterostructure. Single-frequency operation with sidemodes lower than −32 dB and threshold currents as low as 16 mA have been achieved.
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