Apparatus for pumping an optical fiber laser

Details Apparatus for pumping an optical fiber laser Apparatus for pumping an optical fiber laser

1997-07-21

1999-03-23

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling structure

385123, 372 6, G02B 626

Patent

active

058870970

ABSTRACT:
In accordance with the invention, arrays optical sources are combined in a multilevel planar optical waveguide structure for insertion into an optical fiber laser. The basic element of the combiner is a planar array of multiple waveguides which converge and are gradually tapered to a single output waveguide. A plurality of such elements integrally formed on successive cladding layers provides a high power stack of vertically aligned outputs. An arrangement is described for using such apparatus in the amplification of optical communications signals.

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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