Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

1987-02-18

1988-06-07

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 44, 357 17, H01S 319

Patent

active

047501839

ABSTRACT:
An active layer for laser oscillation and optical guiding layers for guiding laser light sandwiching the active layer therebetween are included in the device. At least one of the optical guiding layers is formed by a superlattice, the optical refractive index of which is lower than that of the active layer. Further, the optical refractive index is gradually decreased in the direction from the portion of the optical guiding layer adjacent to the active layer, to the outside of the optical guiding layer.

REFERENCES:
patent: 4328469 (1982-05-01), Scifres et al.

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