Tapered fiber bundles for coupling light into and out of claddin

Details Tapered fiber bundles for coupling light into and out of claddin Tapered fiber bundles for coupling light into and out of claddin

1997-07-21

1999-01-26

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling structure

385 48, G02B 626

Patent

active

058646442

ABSTRACT:
In accordance with the invention, light is coupled from a plurality of semiconductor emitters to a cladding-pumped fiber via tapered fiber bundles fusion spliced to the cladding-pumped fiber. Individual semiconductor broad stripe emitters can be coupled to individual multimode fibers. The individual fibers can be bundled together in a close-packed formation, heated to melting temperature, drawn into a taper and then fusion spliced to the cladding-pumped fiber. Advantageously, the taper is then overcoated with cladding material such as low index polymer. In addition, a fiber containing a single-mode core can be included in the fiber bundle. This single-mode core can be used to couple light into or out of the single-mode core of the cladding-pumped fiber.

REFERENCES:
patent: 4818062 (1989-04-01), Scifres et al.
patent: 5185758 (1993-02-01), Fan et al.
patent: 5268978 (1993-12-01), Po et al.
patent: 5708669 (1998-01-01), DiGiovanni et al.

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