Ščemeļevs, A. and Poriņš, J. (2009) “BER Performance of a Lumped Single-pump Fiber Optical Parametric Amplifier in a 10 Gbit/s 4-channel S-band DWDM System”, Elektronika ir Elektrotechnika, 93(5), pp. 11-14. Available at: https://eejournal.ktu.lt/index.php/elt/article/view/10170 (Accessed: 6October2022).