Electronics Letters · 1991 · 20 citations · 0 references
EngineeringElectrical EngineeringOptoelectronicsPhotonicsSemiconductor DevicesHigh-frequency Semiconductor DevicesLaser DiodesLaser PhysicsPhotonic Integrated CircuitsSemiconductor LasersHigh-power Laser DiodesHigh-power Semiconductor LasersLaser LinewidthLaser Linewidth NarrowingLine WidthLinewidth NarrowingPower OutputSemiconductor Laser Diodes
An extremely narrow linewidth of 85 kHz operation was obtained at 10mW output power in a 2.16 mm long, 1.5 μm-MQW DBR laser. This is the narrowest linewidth ever reported in a semiconductor laser diode without an external cavity.