Semiconductor laser array device

Details Semiconductor laser array device Semiconductor laser array device

1986-08-05

1988-06-14

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 45, 372 46, 372 48, H01S 319

Patent

active

047517093

ABSTRACT:
A semiconductor laser array device comprising a plurality of waveguides in a parallel manner to achieve an optical phase coupling therebetween within an active layer, wherein said device includes a region composed of a plurality of waveguide portions in the direction vertical to the waveguide direction, the effective refractive indexes of which are alternately different, whereby optical waves passing through said region attain a 180.degree. phase shift between the waveguide portions having different effective refractive indexes.

REFERENCES:
D. E. Ackley, D. Botez and B. Bognar, "Phase Locked Injection Laser Arrays with Integrated Phase Shifters", RCA Review, vol. 44, Dec. 1983, pp. 625-633.

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