Low transmission penalty dual-stage broadband discrete Raman amplifier

• Published in: Optics express Vol. 26; no. 6; pp. 7091 - 7097
• Main Authors: Krzczanowicz, Lukasz, Iqbal, Md Asif, Phillips, Ian, Tan, Mingming, Skvortcov, Pavel, Harper, Paul, Forysiak, Wladek
• Format: Journal Article
• Language: English
• Published: United States 19.03.2018

We present a broadband (>70nm), dual stage, discrete Raman amplifier designed with small and standard core fibres to maximize gain and minimize nonlinearity. The amplifier provides ~19.5dB net gain, 22.5dBm saturation output power and a noise figure of <7.2dB. 120Gb/s DP-QPSK transmission over...