Semiconductor laser

Coherent light generators – Particular active media – Semiconductor

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372 45, 437129, H01S 319

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active

055838804

ABSTRACT:
A semiconductor comprising: a current blocking layer made of gallium nitride type compound; an active layer comprising a semiconductor made of gallium nitride type compound; an upper cladding layer and lower cladding layer made of gallium nitride compound wherein the active layer is provided between the upper and lower clad layers; wherein a stripe groove functioning as a current path is formed in said current blocking layer within at least one layer of the upper and lower clad layers.

REFERENCES:
patent: 4408217 (1983-10-01), Kobayashi et al.
patent: 4567060 (1986-01-01), Hayakawa et al.
patent: 4890293 (1989-12-01), Taneya et al.
patent: 5042043 (1991-08-01), Hatano et al.
patent: 5210767 (1993-05-01), Arimoto et al.
patent: 5218613 (1993-06-01), Serreze
patent: 5432808 (1995-07-01), Hatano et al.
Abstract of Japanese Patent Publ. No. 02-129915, dated May 7, 1992.

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