112 Gb/s DP-QPSK coherent optical transmission over 3000 km using an complete set of digital signal processing algorithms

Digital signal processing is a key feature in coherent dual polarization QPSK optical transmission, and plays an essential role to determine system performance. In this paper, we present a set of signal processing algorithms able to recover a single channel 112 Gb/s DP-QPSK signal after 3000 km prop...

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Bibliographic Details
Main Authors: Rosa, E. S., Silva, F. A., Ribeiro, V. B., Diniz, J. C. M., Silva, R., Herbster, A. F., Silva, E. P., Juriollo, A. A., Paradisi, A., Oliveira, J. C. R. F.
Format: Conference Proceeding
Language:English
Subjects:
Coherent Optical Systems
Digital Signal Processing
Dual Polarization
QPSK
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Summary:Digital signal processing is a key feature in coherent dual polarization QPSK optical transmission, and plays an essential role to determine system performance. In this paper, we present a set of signal processing algorithms able to recover a single channel 112 Gb/s DP-QPSK signal after 3000 km propagation in a recirculation loop. The OSNR resilience and optical filtering impact over maximum reached distance were also investigated.
DOI:10.1109/IMOC.2011.6169344