Abstract

Structures with waveguides in multiple levels and methods of fabricating a structure that includes waveguides in multiple levels. A waveguide crossing has a first waveguide and a second waveguide arranged to intersect the first waveguide. A third waveguide is displaced vertically from the waveguide crossing, The third waveguide includes a portion having an overlapping arrangement with a portion of the first waveguide. The overlapping portions of the first and third waveguides are configured to transfer optical signals between the first waveguide and the third waveguide.

Date

2020

Authors

Y Bian, AP Jacob, A Thomas

Inventors

Yusheng Bian, Ajey Poovannummoottil Jacob, Abu Thomas

Patent_office

US

Patent_number

10816725

Application_number

16134295