Semiconductor laser array with nonplanar diffraction region

Details Semiconductor laser array with nonplanar diffraction region Semiconductor laser array with nonplanar diffraction region

1988-03-14

1989-09-19

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

372 20, 372 92, 372 99, 372107, 372108, H01S 319, H01S 308

Patent

active

048688398

ABSTRACT:
An array of semiconductor lasers formed in a single substrate and having parallel waveguides that terminate in a wide diffraction region fabricated with the array structure. The diffraction region has a curved reflective surface selected to achieve a desired degree of coupling among the elements of the array, and to enhance and stabilize a preferred lateral mode of oscillation.

REFERENCES:
patent: 3979695 (1976-09-01), Erickson
patent: 4251780 (1981-02-01), Scifres et al.
patent: 4491950 (1985-01-01), Hoffmann
patent: 4739508 (1988-04-01), Clark
patent: 4764935 (1988-08-01), Wilcox et al.
Shyh Wang et al., "In-Phase Locking in Diffraction-Coupled Phased-Array Diode Lasers", Appl. Phys. Lett., 48(26), pp. 1770-1772, Jun. 30, 1986.

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