Composite optical device

Details Composite optical device Composite optical device

1995-09-22

1996-12-10

Ngo, John

Optical waveguides

With optical coupler

Plural

385 45, 385 14, 385 60, 385 49, 385 46, G02B 636

Patent

active

055839584

ABSTRACT:
A composite optical device has a first and second chips. The first chip has a substrate on which M pieces of optical waveguides for transmitting communication light, N pieces of optical waveguides for transmitting monitoring light and M-input/N-output star couplers are formed in an integrated form, and the second chip has a substrate on which N pieces of optical waveguides for transmitting communication light, N pieces of optical waveguides for transmitting monitoring light and N pieces of 2-input/2-output star couplers are formed in an integrated form. A first and second blocks holding optical fibers are joined respectively to the first and second chips. When the composite optical device in which the first and second blocks and the first and second chips are joined is incorporated into the optical communication system, a passive double star system is constructed. By using an MT connector instead of the first block and the first chip, a single star system can be rapidly constructed.

REFERENCES:
patent: 5400421 (1995-03-01), Takahashi
patent: 5487122 (1996-01-01), Ota

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