Scalable nonlinear equalization in high-bit-rate optical transmission systems

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Asif, Rameez, Shahid, Humayun, Arshad, Farzana and Saleem, Rashid (2013) Scalable nonlinear equalization in high-bit-rate optical transmission systems. Photonics Research, 1 (3). pp. 130-135. ISSN 2327-9125

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Abstract

In this paper, we report on the performance comparison of all-optical signal processing methodologies to compensate fiber transmission impairments, namely chromatic dispersion and nonlinear distortion caused by the Kerr effect, in a coherent 112 Gbit/s dual-polarization 64 bit quadrature amplitude modulation system over 800 km standard single-mode fiber. We numerically compare optical backward propagation (OBP) with optical phase conjugation (OPC) techniques, namely. mid-link spectral inversion, predispersed spectral inversion, and OPC with nonlinearity module. We also evaluate a self-phase-modulation-based optical limiter with an appropriate prechirping to compensate for the intensity fluctuations as a hybrid approach with OBP. The results depict improvement in system performance by a factor of ∼4 dB of signal input power by all-optical signal processing methods, which is comparative with ideal digital backward propagation where the high complexity is the intrinsic impediment in the real-time implementation of the technique with coherent receivers.

Item Type:	Article
Additional Information:	Publisher Copyright: © 2013 Chinese Laser Press.
Uncontrolled Keywords:	coherent communications,fiber optics,fiber optics communications,networks,electronic, optical and magnetic materials,atomic and molecular physics, and optics ,/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 09:30
Last Modified:	14 Mar 2023 08:34
URI:	https://ueaeprints.uea.ac.uk/id/eprint/87774
DOI:	10.1364/PRJ.1.000130

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