Richter, T.T.RichterNouroozi, R.R.NourooziSuche, H.H.SucheSohler, W.W.SohlerSchubert, C.C.Schubert2022-03-042022-03-042013https://publica.fraunhofer.de/handle/publica/23425110.1109/LPT.2013.22814642-s2.0-84885606288Tunable optical wavelength conversion of a 40 Gb/s 16-ary quadrature amplitude modulated signal within the C-band is demonstrated by cascaded sum frequency generation and difference frequency generation in a periodically-poled lithium niobate module. System experiments with conversion efficiencies of ~ 7.5 dB (excluding module loss) are presented. Bit-error ratio measurements confirm excellent conversion performance.en535journal article