El-Nahal F. Wavelength division multiplexing passive optical networks (WDM PONs) With Downstream DPSK and Upstream Remodulated OOK using Injection-Locked Fabry-Perot Laser Diodes (FP-LDs). Photonics Lett. Pol. [Internet]. 2015 Dec. 31 [cited 2024 Nov. 23];7(4):pp. 127-129. Available from: http://photonics.pl/PLP/index.php/letters/article/view/7-45