For citations:
Tussupov A.D., Tokhmetov A.T., Listopad N.I. Polarization diversity scheme for reach extension of WDM/TDM gigabit passive optical network up to 60 km using quantum dot semiconductor optical amplifiers. Doklady BGUIR. 2021;19(4):80-84. (In Russ.) https://doi.org/10.35596/1729-7648-2021-19-4-80-84