We propose a novel metric to measure memory effects in optical orthogonal frequency-division multiplexing (OOFDM) system. Experiment results indicate the effectiveness of this method by comparing number of error bits at each subcarriers in different memory-depth predistorted scheme.
['Muyu Huang', 'Jun Li', 'Hao He', 'Meihua Bi', 'Shilin Xiao', 'Weisheng Hu']
A novel metric for quantitatively measuring memory effects in OOFDM system