Room-temperature continuous-wave operation of a singlemode GaInAsSb/GaSb/AlGaAsSb distributed feedback (DFB) laser is presented at a record long emission wavelength for this material system of 2.843 µm. The threshold current at 20°C is 75 mA. Mode selection was realised by metal gratings laterally patterned to a ridge waveguide. By varying the grating period, DFB emission from 2.738 up to 2.843 µm is obtained.


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    GaInAsSb-AlGaAsSb Distributed-Feedback Lasers Emitting in the 2.4 mum Range

    IEEE | British Library Conference Proceedings | 2003


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