EL-NAHAL, Fady. Coherent 16 Quadrature Amplitude Modulation (16QAM) Optical Communication Systems. Photonics Letters of Poland, [S. l.], v. 10, n. 2, p. 57–59, 2018. DOI: 10.4302/plp.v10i2.809. Disponível em: https://www.photonics.pl/PLP/index.php/letters/article/view/10-21. Acesso em: 17 jun. 2024.