Vertically coupled large area amplifier

Details Vertically coupled large area amplifier Vertically coupled large area amplifier

2004-12-02

2008-05-20

Font, Frank G. (Department: 2883)

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

C385S129000, C385S130000, C385S132000

Reexamination Certificate

active

07376319

ABSTRACT:
A monolithic light amplification system including: an un-doped waveguide; a ridge waveguide positioned over the un-doped waveguide; and, at least a doped layer between the un-doped waveguide and ridge waveguide; wherein, the un-doped waveguide and ridge waveguide cooperate to amplify light input to the un-doped waveguide.

REFERENCES:
patent: 3899235 (1975-08-01), Amoud et al.
patent: 5140149 (1992-08-01), Sakata et al.
patent: 5220573 (1993-06-01), Sakata et al.
patent: 2002/0051615 (2002-05-01), Walpole et al.

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