US 11,693,292 B2
Tunable edge coupler for photonics devices
Sujit Handanhal Ramachandra, Columbus, OH (US); Zhujun Yuan, Austin, TX (US); Jonathan D. Austin, San Leandro, CA (US); and Prerak P. Shah, Raleigh, NC (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Oct. 7, 2020, as Appl. No. 17/65,220.
Prior Publication US 2022/0107543 A1, Apr. 7, 2022
Int. Cl. G02F 1/29 (2006.01); G02F 1/295 (2006.01)
CPC G02F 1/295 (2013.01) [G02F 2201/302 (2013.01); G02F 2203/24 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a cladding layer comprising a central axis; and
a plurality of waveguides disposed within the cladding layer and configured to receive a light from a light source, the plurality of waveguides comprising electrical contacts arranged to receive an electrical signal, wherein the electrical signal adjusts refractive indices of the plurality of waveguides such that the plurality of waveguides redirect a mode of the light towards the central axis.