Metal clad Pb/sub 1-x/Sn/sub x/ Se/Pb/sub 1-x-y/Eu/sub y/ Sn/sub x/Se distributed feedback lasers

Distributed-feedback Pb/sub 1-x/Sn/sub x/Se double heterostructure stripe geometry diode lasers fabricated using molecular-beam epitaxy are discussed. These lasers operate in the CW mode up to 90 K and in the pulse mode up to 100 K. They are unique in their low tuning rate with injection current 4 cm/sup -1//A, and in that they withstand high CW injection currents without damage. These features are probably the result of the metal cladding layer located on top of the gratings.<
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