The University of Sydney

Graham Town

Danny Wong

Mark Geoffrey Sceats

John Canning

Simon Charles Fleming

Takumi Fujiwara

Wei Xu

Paul Blazkiewicz

Yuxing Zhao

Simon Poole

A method of thermally poling a silica based waveguide ( ) comprises exposing a region of the waveguide ( ) to an electric field (for example, via capillary electrodes ( ) inserted into holes in the waveguide); directing a laser beam ( ) into the region exposed to the electric field to effect localized heating of the region via direct absorption; and scanning the laser beam ( ) over the region at a rate selected to avoid heating of the region above the glass transition temperature. Reversing the electric field while scanning the laser beam ( ) allows the formation of periodic poled gratings. The waveguide ( ) can comprise an optical fiber.

Laser assisted thermal poling of silica based waveguides

A method of forming a holey waveguide, the method comprising the steps of forming a guiding region of a preform, forming a cladding region of the preform, wherein at least a portion of the cladding region of the preform is formed from a plurality of cladding tubes of at least two different diameters, choosing at least one of the diameters of the cladding tubes in a manner such as to reduce a total number of cladding tubes required to build up said portion of the cladding region when compared with utilising cladding tubes of the same diameter for said portion, and drawing the waveguide from the preform.

Holey waveguide manufacture

Inducing or enhancing electro-optic properties in optically transmissive

Growing community of inventors

Erskineville, Australia

Graham Town