Patent · US Expired

Optical waveguides and integrated optical subsystems on-a-chip

US6954570B2 · kind B2 · utility

5Cited by

3References

36Claims

0Family size

Assignee

nGimat Co. · US

Inventors

Andrew Tye Hunt · Atlanta, US
Robert E. Schwerzel · Alpharetta, US
Todd Polley · Suwanee, US

Key dates

Filing date	Sep 27, 2001
Grant date	Oct 11, 2005
Priority date	—
Expiry date	Jul 21, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG02B2006/12176
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Optical waveguide composite materials and integrated optical subsystems with low loss connection to optical fibers, are disclosed. The waveguide material has a varying thickness and/or refractive index from one portion (816) to another (820) and can be varied in all three directions. Methods of producing the composite materials and waveguides are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.