WANG, R. A Circuit-Level Implementation of Voltage-Tuning Scheme for Realizing Optical PAM-4 Using Three-Segment Microring Modulator. International Journal of Engineering and Technology Innovation, [S. l.], v. 10, n. 2, p. 91–106, 2020. DOI: 10.46604/ijeti.2020.5072. Disponível em: https://ojs.imeti.org/index.php/IJETI/article/view/5072. Acesso em: 24 jul. 2024.