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|Title:||Mitigation of nonlinearity based on optimized percentage of dispersion pre-compensation in coherent optical PDM-OFDM systems|
|Keywords:||coherent optical OFDM|
nonlinear phase rotation
|Source:||Cao, S.,Yu, C.,Kam, P.-Y. (2012). Mitigation of nonlinearity based on optimized percentage of dispersion pre-compensation in coherent optical PDM-OFDM systems. 2012 Photonics Global Conference, PGC 2012 : -. ScholarBank@NUS Repository. https://doi.org/10.1109/PGC.2012.6457974|
|Abstract:||The one-step nonlinearity compensation method, i.e., nonlinear phase rotation (NPR), is shown to be affected by the amount of pre-compensated dispersion for coherent optical OFDM system with a dispersion unmanaged link. It is observed that NPR plus optimal percentage, around 50%, of dispersion pre-compensation is performing better than 1-step digital back-propagation (BP), with the same computational complexity. The optimized scheme results in a 2-dBm improvement in optimal launch power as well as 1.75-dB improvement in optimal signal quality compared to 1-step BP after 800-km transmission at the bit rate of 20 Gb/s. © 2012 IEEE.|
|Source Title:||2012 Photonics Global Conference, PGC 2012|
|Appears in Collections:||Staff Publications|
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