Demonstration of scalable microring weight bank control for large-scale photonic integrated circuits - Huang, Chaoran; Bilodeau, Simon; Ferreira de Lima, Thomas; Tait, Alexander N.; Ma, Philip Y.; Blow, Eric C.; Jha, Aashu; Peng, Hsuan-Tung; Shastri, Bhavin J.; Prucnal, Paul R. (APL photonics, 2020)