Coplanar waveguide line

Details Coplanar waveguide line Coplanar waveguide line

2004-10-27

2009-06-30

Pak, Sung H (Department: 2874)

Optical waveguides

Directional optical modulation within an optical waveguide

C385S002000, C385S014000, C385S040000, C385S129000, C385S131000, C385S132000

Reexamination Certificate

active

07555174

ABSTRACT:
A coplanar waveguide line comprisinga substrate;a central electrode strip on the substrate;first and second electrode strips disposed on opposite sides of the central electrode strip and extending parallel thereto;first and second optical waveguides on the substrate, the optical waveguides being positioned between the first and central electrode strips and extending parallel thereto;the central electrode comprising at least one T-rail extending proximate to the first optical waveguide;the first electrode comprising at least one T-rail extending proximate to the second optical waveguide;the substrate comprising an n+electrically conducting layer extending between the optical waveguides;wherein the coplanar waveguide line further comprises an electrical connection between first and second electrode strips.

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Search Report No. PCT/GB2004/004515 dated May 19, 2005, International filing date Oct. 27, 2004.
Publication entitled “Wide-Bandwidth Lasers and Modulators for RF Photonics” by Nadir Dagli, member, IEEE; reprinted from IEEE Transactions on Microwave Theory and Techniques vol. 47 No. 2 Jul. 1999.
Publication entitled “Ultra Wide Electrical Bandwidth GaAs/A1GaAs Electrooptic Modulators” by N. Dagli, R. Spickermann, S. Sakamoto, and M. Peters; reprinted for CH3577 4/95/0000-0251$01.00 1995 IEEE.

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