Optical device with an optical coupler for effecting light branc

Details Optical device with an optical coupler for effecting light branc Optical device with an optical coupler for effecting light branc

1992-06-16

1994-11-29

Gonzalez, Frank

Optical waveguides

With optical coupler

Particular coupling structure

385 14, 385 50, 359341, G02B 628

Patent

active

053697197

ABSTRACT:
A first light waveguide is formed, and second and third light waveguides are respectively connected to the first light waveguide at first and second positions. A first coupler for effecting tight branching and/or combining is arranged near the first position, and a second coupler for effecting light branching and/or combining is arranged near the second position. An optical amplifier is arranged on the first light waveguide between the first and second positions for compensating for a light loss of a light wave caused by each of the first and second coupler.

REFERENCES:
patent: 4173390 (1979-11-01), Kach
patent: 4549782 (1985-10-01), Miller
patent: 4717228 (1988-01-01), Thylen
patent: 4768849 (1988-09-01), Hicks, Jr.
patent: 5016960 (1991-05-01), Eichen et al.
patent: 5109444 (1992-04-01), Hanada et al.
patent: 5134671 (1992-07-01), Koren et al.
patent: 5163105 (1992-11-01), Knoll et al.

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