Kerr Nonlinearity Mitigation: Mid-Link Spectral Inversion Versus Digital Backpropagation in 5×28-GBd PDM 16-QAM Signal Transmission - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Lightwave Technology Année : 2015

Kerr Nonlinearity Mitigation: Mid-Link Spectral Inversion Versus Digital Backpropagation in 5×28-GBd PDM 16-QAM Signal Transmission

Résumé

We experimentally investigate Kerr nonlinearity mitigation of a 28-GBd polarization-multiplexed 16-QAM signal in a 5-channel 50-GHz spaced wavelength-division multiplexing (WDM) system. Optical phase conjugation (OPC) employing the mid-link spectral inversion technique is implemented by using a dual-pump polarization-independent fiber-optic parametric amplifier (FOPA) and compared to digital backpropagation (DBP) compensation over up to 800-km in a dispersion-managed link. In the single-channel case, the use of the DBP algorithm outperformed the OPC with a Q-factor improvement of 0.9 dB after 800-km transmission. However, signal transmission was not possible with DBP in the WDM scenario over the same link length while it was enabled by the OPC with a maximum Q-factor of 8.6 dB.
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Dates et versions

hal-01134135 , version 1 (24-03-2015)

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Isaac Sackey, Francesco da Ros, Johannes Karl Fischer, Thomas Richter, Mahmoud Jazayerifar, et al.. Kerr Nonlinearity Mitigation: Mid-Link Spectral Inversion Versus Digital Backpropagation in 5×28-GBd PDM 16-QAM Signal Transmission. Journal of Lightwave Technology, 2015, 33 (9), pp.1821-1827. ⟨10.1109/JLT.2015.2393152⟩. ⟨hal-01134135⟩
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