Multi-purpose optical integrated circuit

Details Multi-purpose optical integrated circuit Multi-purpose optical integrated circuit

1995-11-21

1997-02-18

Lee, John D.

Optical waveguides

Integrated optical circuit

385 24, 385 48, 359114, 359115, G02B 612, G02B 628

Patent

active

056048289

ABSTRACT:
An optical integrated circuit provides multiple power splitting functions and comprises a plurality of optical power splitters networked together. In one embodiment, the optical integrated circuit has two 2.times.2 optical power splitters ganged together such that the circuit simultaneously provides two different 1.times.2 power splitting functions and four different 1.times.3 power splitting functions. In another embodiment, the optical integrated circuit has three 2.times.2 optical power splitters ganged together such that the circuit simultaneously provides two 1.times.2 power splitting functions, four 1.times.3 power splitting functions, and two 1.times.4 power splitting functions. Since each integrated circuit provides more than one power splitting function, the integrated circuit is more versatile than a single power splitter. The integrated circuit may also present a lower cost in comparison to a circuit formed with discrete elements since additional power splitters can be placed on a single substrate for only a nominal increase in cost. The integrated circuit further reduces the time needed to couple fibers to their respective power splitters since multiple fibers in a fiber ribbon array can be simultaneously coupled to the ports of the optical integrated circuit.

REFERENCES:
patent: 4483582 (1984-11-01), Sheem
patent: 4904042 (1990-02-01), Dragone
patent: 5136671 (1992-08-01), Dragone
patent: 5285305 (1994-02-01), Cohen et al.
patent: 5309534 (1994-05-01), Cohen et al.
patent: 5438444 (1995-08-01), Tayonaka et al.
patent: 5500910 (1996-03-01), Boudreau et al.

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