Patent · US Expired

Process for control of birefringence in waveguides

US6539135B1 · kind B1 · utility

5Cited by

7References

7Claims

0Family size

Assignee

The University of Sydney · AU

Inventors

John Canning · Sydney, AU
Mattias Lennart Aslund · Sydney, AU

Key dates

Filing date	Aug 1, 2001
Grant date	Mar 25, 2003
Priority date	—
Expiry date	Aug 1, 2021

Classification

Technology area (CPC G)Physics
CPC primaryG02B2006/12159
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A method of modifying birefringence properties of a waveguide formed within a carrier, the method comprising the steps of inducing a stress anisotropy in the waveguide and effecting a differential decrease in a first refractive index of one mode in the waveguide with respect to a second refractive index of another mode of the waveguide.

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