Proton-bombardment formation of stripe-geometry heterostructure lasers for 300 K CW operation

Authors:
  • LDL.A. D'Asaro
    L.A. D'Asaro
  • JNJ.C. North
    J.C. North
  • BMB.I. Miller
    B.I. Miller
  • JRJ.E. Ripper
    J.E. Ripper
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Abstract
A method of defining the active region of stripe-geometry junction lasers by proton-bombardment-induced high-resistivity layers is described. The method yields more reproducible mode patterns and lower threshold currents than the previously used oxide insulation. The improved lasers operated continuously at heat-sink temperatures up to 110°C.