Experimental comparison of 28Gb/s NRZ and EDB schemes for faster-than-Nyquist PON

Experimental comparison of 28Gb/s NRZ and EDB schemes for faster-than-Nyquist PON In this paper, we experimentally demonstrate 28 Gb/s non-return-to-zero (NRZ) and electrical duo-binary (EDB) schemes over 25-km standard single-mode fiber transmission for faster-than-Nyquist passive optical network (FTN-PON). FTN signaling is a promising technology in the bandwidth-limited PON system. In order to improve the transmission performance, a combination of feed-forward equalization, post-filter and maximum likelihood sequence detection (FFE-MLSD) need to be employed for FTN-NRZ scheme, while only a simple 3-level FFE is needed for FTN-EDB scheme. The simulation results reveal that EDB scheme with 3-level FFE can transmit further fiber length compared with NRZ scheme at same receiver sensitivity. The experimental results show that EDB scheme achieves a power budget of 37.5 dB for 25-km fiber transmission with a pre-amplifier at the receiver, which is ~ 1.7 dB better than the best performance achieved by NRZ scheme. Meanwhile, the computational complexity of EDB scheme with 3-level FFE is 33.3 $$\%$$ % lower than that of NRZ scheme based on FFE-MLSD. The EDB scheme with 3-level FFE shows the potential for the future FTN-PON. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Optical and Quantum Electronics Springer Journals

Experimental comparison of 28Gb/s NRZ and EDB schemes for faster-than-Nyquist PON

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Physics; Optics, Lasers, Photonics, Optical Devices; Electrical Engineering; Characterization and Evaluation of Materials; Computer Communication Networks
ISSN
0306-8919
eISSN
1572-817X
D.O.I.
10.1007/s11082-018-1500-6
Publisher site
See Article on Publisher Site

Abstract

In this paper, we experimentally demonstrate 28 Gb/s non-return-to-zero (NRZ) and electrical duo-binary (EDB) schemes over 25-km standard single-mode fiber transmission for faster-than-Nyquist passive optical network (FTN-PON). FTN signaling is a promising technology in the bandwidth-limited PON system. In order to improve the transmission performance, a combination of feed-forward equalization, post-filter and maximum likelihood sequence detection (FFE-MLSD) need to be employed for FTN-NRZ scheme, while only a simple 3-level FFE is needed for FTN-EDB scheme. The simulation results reveal that EDB scheme with 3-level FFE can transmit further fiber length compared with NRZ scheme at same receiver sensitivity. The experimental results show that EDB scheme achieves a power budget of 37.5 dB for 25-km fiber transmission with a pre-amplifier at the receiver, which is ~ 1.7 dB better than the best performance achieved by NRZ scheme. Meanwhile, the computational complexity of EDB scheme with 3-level FFE is 33.3 $$\%$$ % lower than that of NRZ scheme based on FFE-MLSD. The EDB scheme with 3-level FFE shows the potential for the future FTN-PON.

Journal

Optical and Quantum ElectronicsSpringer Journals

Published: May 31, 2018

References

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