Performance enhanced down-stream signalling for next generation long-reach 10 Gbit/s passive optical networks

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Asif, Rameez, Imtiaz, Marriam, Yasemin, Javeria and Nazir, Maria (2014) Performance enhanced down-stream signalling for next generation long-reach 10 Gbit/s passive optical networks. Optik, 125 (20). pp. 6017-6020. ISSN 0030-4026

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Abstract

In this paper, we have analyzed the signal processing methods both in digital and optical domain to enhance the transmission performance of downstream signalling in long reach passive optical networks (LR-PONs). The impact of non-linear (NL) equalization through signal processing, i.e. Volterra Equalization (VE), Digital Backpropagation (BP) and Optical Phase Conjugation with Non-linearity Module (OPC-NM) is investigated, in 10 Gbit/s (XG) DP-QPSK long-reach wavelength division multiplexed (WDM) PONs without midspan repeaters over 120 km standard single mode fibre (SMF) link for down-stream signals. Due to the compensation of optical Kerr effects, the sensitivity penalty is reduced to 2 dB by BP algorithm, 1.5 dB by VE algorithm and 2.69 dB by OPC-NM. Moreover, with the implementation of NL equalization technique we are able to get the transmission distance of 126.6 km SMF for the 1:1024 split-ratio at 5 GHz channel spacing in the non-linear region. Furthermore, the concept of super passive optical network (S-PON) is also evaluated, which involves a repeater stage consisting of optical amplifiers, to study the feasibility for receiver side signal processing and simplification.

Item Type:	Article
Additional Information:	Publisher Copyright: © 2014 Elsevier GmbH. All rights reserved.
Uncontrolled Keywords:	coherent receiver,non-linearities,optical amplifiers,optical fibre communication,passive optical network,electronic, optical and magnetic materials,atomic and molecular physics, and optics,electrical and electronic engineering ,/dk/atira/pure/subjectarea/asjc/2500/2504
Faculty \ School:	Faculty of Science > School of Computing Sciences
UEA Research Groups:	Faculty of Science > Research Groups > Smart Emerging Technologies Faculty of Science > Research Groups > Cyber Security Privacy and Trust Laboratory
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	LivePure Connector
Date Deposited:	07 Sep 2022 08:31
Last Modified:	14 Mar 2023 08:34
URI:	https://ueaeprints.uea.ac.uk/id/eprint/87746
DOI:	10.1016/j.ijleo.2014.07.058

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