Polymer-based rare earth-doped waveguide device

Details Polymer-based rare earth-doped waveguide device Polymer-based rare earth-doped waveguide device

2005-09-27

2005-09-27

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

Having particular optical characteristic modifying chemical...

Of waveguide core

C372S006000, C385S147000, C501S048000

Reexamination Certificate

active

06950597

ABSTRACT:
A polymer-based waveguide device is for use in an optical amplifier or as a laser waveguide. The waveguide device includes a substrate (1), a polymer bottom cladding layer (21) on the substrate, a polymer channel waveguide (3) on the bottom cladding layer, and a polymer top cladding layer (22). The channel waveguide is doped with at least one kind of rare earth metal ion that can be excited to produce a laser. The bottom and top cladding layers have a same refractive index, which is substantially lower than a refractive index of the channel waveguide. When a light signal is input to the waveguide device, an amplified light signal is obtained and is transmitted within the channel waveguide.

REFERENCES:
patent: 5581398 (1996-12-01), van Veggel et al.
patent: 5982973 (1999-11-01), Yan et al.
patent: 6538805 (2003-03-01), Norwood et al.
patent: 6875561 (2005-04-01), Leu et al.

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