Semiconductor laser device

Coherent light generators – Particular active media – Semiconductor

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372 46, H01S 319

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active

048624705

ABSTRACT:
A semiconductor laser device comprising an active layer, optical guiding layers sandwiching the active layer therebetween, and a cladding layer disposed on each of the optical guiding layers, wherein the refractive index of each of the optical guiding layers gradually varies in the direction of the thickness of the optical guiding layer, and the thickness of each of the cladding layers is 0.5 um or less.

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