Coherent light generators – Particular resonant cavity – Distributed feedback
Patent
1984-10-31
1987-04-14
Davie, James W.
Coherent light generators
Particular resonant cavity
Distributed feedback
372 46, H01S 319
Patent
active
046584030
ABSTRACT:
The disclosure is directed to an improved semiconductor laser device which includes a first light deriving optical waveguide connected approximately perpendicularly to a light exit face at one side, a second light deriving optical waveguide connected approximately perpendicularly to another light exit face at the other side and having an optical axis different from that of the first light deriving optical waveguide, and a light emitting optical waveguide subjected to optical coupling with a periodical diffraction grating for optical resonance, and connected to end portions of the first and second light deriving optical waveguides within the semiconductor laser device.
REFERENCES:
patent: 4464762 (1984-08-01), Furuya
Kaneiwa Shinji
Matsui Sadayoshi
Takiguchi Haruhisa
Taneya Mototaka
Davie James W.
Sharp Kabushiki Kaisha
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