Phase lock type semiconductor laser

Details Phase lock type semiconductor laser Phase lock type semiconductor laser

1992-06-04

1993-12-28

Epps, Georgia Y.

Coherent light generators

Particular active media

Semiconductor

372 96, 372 97, 372 99, 372102, 372 92, 372 20, H01S 319

Patent

active

052746577

ABSTRACT:
A phase lock type semiconductor laser comprising: an array type semiconductor laser main body which includes a plurality of line-shaped active layers having wave guides disposed in parallel with each other, these active layers having waveguide modes optically coupled with each other, and a reflection-type light diffraction element executing a light return or feedback in such a manner that only a specific wavelength beam among emitted beams of coupling modes which are emitted from one end surface of the semiconductor laser main body in terms of a line-shaped light source can be directly focused on the same one end surface of the semiconductor laser main body in a line-shaped.

REFERENCES:
patent: 4913525 (1990-04-01), Asakura et al.
patent: 5115444 (1992-05-01), Kirkby et al.

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