Semiconductor laser array device

Details Semiconductor laser array device Semiconductor laser array device

1987-10-05

1989-01-17

Scott, Jr., Leon

Coherent light generators

Particular active media

Semiconductor

372 50, 372 45, H01S 319

Patent

active

047992255

ABSTRACT:
A semiconductor laser array device with a waveguide structure comprising a first array portion which is composed of a plurality of parallel waveguides; a second array portion which is composed of a plurality of parallel waveguides; a third array portion which is composed of a plurality of symmetrically branching waveguides that optically connect the ends of the parallel waveguides of the first array portion; and a fourth array portion which is composed of a plurality of symmetrically branching waveguides that are optically connected to the other ends of the parallel waveguides of the second array portion, the ends of said symmetrically branching waveguides of the fourth array portion meeting one laser-emitting face of said laser array device at which said symmetrically branching waveguides begin to be optically combined with the adjacent symmetrically branching waveguides.

REFERENCES:
patent: 4047124 (1977-09-01), Ford et al.
patent: 4136928 (1979-01-01), Logan et al.
patent: 4159452 (1979-06-01), Logan et al.
patent: 4255717 (1981-03-01), Safres et al.
patent: 4369513 (1983-01-01), Umeda et al.
patent: 4718069 (1988-01-01), Streifer et al.

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