Abstract

One illustrative device disclosed herein includes a lower waveguide structure and an upper body structure positioned above at least a portion of the lower waveguide structure. In this example, the device also includes a grating structure positioned in the upper body structure, wherein the grating structure comprises a plurality of grating elements that comprise a tunable material whose index of refraction may be changed by application of energy to the tunable material.

Date

2023

Authors

Y Bian, AP Jacob

Inventors

Yusheng Bian, Ajey Poovannummoottil Jacob

Patent_office

US

Patent_number

11550200

Application_number

16808613