Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

1981-01-15

1984-02-07

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

357 17, 357 41, 372 50, H01S 319

Patent

active

044307411

ABSTRACT:
Disclosed is a semiconductor laser device comprising a semiconductor assembly which serves to effect laser oscillation and in which first, second and third semiconductor layers are successively stacked on a predetermined semiconductor body, at least the first and third semiconductor layers being small in the refractive index relative to the second semiconductor layer and great in the forbidden band gap relative thereto and having conductivity types opposite to each other, and means to spread depletion regions within at least a part of a current path for effecting the laser oscillation and in a manner to intersect with the current path. A small-sized semiconductor laser device capable of fast modulation can be realized.

REFERENCES:
patent: 4217561 (1980-08-01), Scifres et al.

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