Semiconductor laser array device

Details Semiconductor laser array device Semiconductor laser array device

1986-08-28

1988-08-16

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 97, H01S 319

Patent

active

047649364

ABSTRACT:
A semiconductor laser array device comprising an oscillation operating area provided with a plurality of first index-waveguides in a parallel manner and a non-oscillation operating area provided with a plurality of second index-waveguides in a parallel manner through which laser light produced in said oscillation operating area are guided through the waveguide from said oscillation operating area to the end facets of the second index-waveguides of said non-oscillation operating area, wherein the second index-waveguides are different in length between the adjacent waveguides and the end facet of each of the second index-waveguides does not function as a cavity facet of the laser but it functions as the light-emitting facet of the device.

REFERENCES:
patent: Re31806 (1985-01-01), Scifres et al.
patent: 379090 (1974-02-01), Miller
patent: 4277762 (1981-07-01), Scifres et al.
patent: 4360921 (1982-11-01), Scifres et al.
K. Matsuda, Appl. Phys. Lett, 46:11 8-30.

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