Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

1988-02-16

1989-07-11

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

372 97, 372107, 372108, 357 19, 357 75, 350 962, 350 963, H01S 319, H01L 3112, G02B 636

Patent

active

048478482

ABSTRACT:
A semiconductor laser device comprises: a semiconductor laser including laser resonators for emitting laser beams forward and backward oppositely along a plurality of parallel axes; a photodetector including a plurality of photodetector elements for detecting intensities of the laser beams emitted backward; and a waveguide located between the semiconductor laser and the photodetector for guiding the backward emitted laser beams to the corresponding ones of the photodetector elements, the waveguide including a plurality of guide grooves for guiding the backward emitted laser beams.

REFERENCES:
patent: 4464758 (1984-08-01), Chenausky et al.
Electronic Material, vol. 26, No. 6, 1987, pp. 107-111.

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