Duplicate title to Hazarika, Pratim and Tan, Mingming and Donodin, Aleksandr and Noor, Shabnam and Phillips, Ian and Harper, Paul and Stones, Jeffrey S and Li, Ming Jun and Forysiak, Wladek (2022) E-, S-, C- and L-band coherent transmission with multistage discrete Raman amplifier. [Text] Aston University.