Method for making polymer-based rare earth-doped waveguide

Details Method for making polymer-based rare earth-doped waveguide Method for making polymer-based rare earth-doped waveguide

2005-04-05

2005-04-05

McPherson, John A. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

C427S163200, C385S143000

Reexamination Certificate

active

06875561

ABSTRACT:
A method for making a polymer-based rare earth-doped waveguide includes the steps of: providing a substrate (11); spin coating a polymer bottom cladding layer (12) on the substrate; spin coating a core layer (13) comprising a polymer and complex rare earth metal ions, which can be excited to produce a laser, on the bottom cladding layer; using a channel patterning technique with masking and ultraviolet (UV) radiation followed by etching to form at least one channel waveguide (14); and spin coating a polymer top cladding layer (15) over the at least one channel waveguide and exposed portions of the bottom cladding layer. The method includes improving the solubility of rare earth metal ions in a polymer matrix, by forming a complex of each rare earth metal ion with an organic compound. These complexes have higher solubility in a fluorinated polymer, compared with pure rare earth metal ions.

REFERENCES:
patent: 5581398 (1996-12-01), van Veggel et al.
patent: 6538805 (2003-03-01), Norwood et al.

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