EL-NAHAL, Fady. Bidirectional OFDM-WDM-PON System Employing 16-QAM Intensity Modulated OFDM Downstream and OOK Modulated Upstream. Photonics Letters of Poland, [S. l.], v. 8, n. 2, p. pp. 60–62, 2016. DOI: 10.4302/photon. lett. pl.v8i2.636. Disponível em: https://photonics.pl/PLP/index.php/letters/article/view/8-22. Acesso em: 23 apr. 2024.