Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

1987-07-10

1989-07-25

Sikes, William L.

Coherent light generators

Particular resonant cavity

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372 45, 372102, 357 16, 357 17, H01S 308, H01S 319

Patent

active

048521167

ABSTRACT:
A semiconductor laser device comprising an active layer, a layer furnished with a diffraction grating and formed in the vicinity of said active layer, and another layer formed on said layer with the diffraction grating and having a refractive index smaller than that of said active layer but greater than that of said layer with the diffraction grating.

REFERENCES:
patent: 4045749 (1977-08-01), Burnham et al.
patent: 4178604 (1979-12-01), Nakamur et al.
patent: 4704720 (1987-11-01), Yamaguchi
patent: 4745615 (1988-05-01), Kaneiwa et al.
patent: 4745616 (1988-05-01), Kaneiwa et al.
Patent Abstracts of Japan; vol. 2, No. 23 (E-14); Feb. 15, 1978, pp. 11751 E 77; and JP-A-52 144 991 (Kogyo Gijutsuin) 12-2-77.

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