Distributed feedback semiconductor laser

Details Distributed feedback semiconductor laser Distributed feedback semiconductor laser

1988-03-22

1990-01-23

Gonzalez, Frank

Coherent light generators

Particular resonant cavity

Distributed feedback

372102, H01S 308

Patent

active

048963313

ABSTRACT:
A distributed feedback semiconductor laser has a first cladding layer, an active layer, a guide layer on which a diffraction grating is formed and a second cladding layer, the effective thickness of the guide layer in the waveguide direction being made different in one region to change the phase of a light propagating through the waveguide.

REFERENCES:
patent: 4665528 (1987-05-01), Chinone et al.
patent: 4701930 (1987-10-01), Akiba et al.
patent: 4726031 (1988-12-01), Wakao et al.
patent: 4740987 (1988-04-01), McCall et al.
patent: 4751710 (1988-06-01), Yamaguchi et al.
patent: 4775980 (1988-10-01), Chinone et al.
patent: 4796274 (1989-01-01), Akiba et al.

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