Abstract

Structures for a polarization switch and methods of fabri cating a structure for a polarization switch. A waveguide core is located on a substrate. The waveguide core is composed of silicon nitride. An active layer is positioned proximate to a section of the waveguide core. The active layer composed of a phase change material having a first state with a first refractive index and a second state with a second refractive index.

Metadata

publication

US Patent 11,221,506, 2022

year

2022

publication date

2022/1/11

authors

SM Shank, Y Bian, AP Jacob

link

https://patents.google.com/patent/US11221506B2/en

resource_link

https://patentimages.storage.googleapis.com/d0/d5/4a/14fef8f64f1e3d/US11221506.pdf

inventors

Steven M Shank, Yusheng Bian, Ajey Poovannummoottil Jacob

patent_office

US

patent_number

11221506

application_number

16799100