Mitigation of nonlinear transmission effects for OFDM 16-QAM optical signal using adaptive modulation

Skidin, Anton S., Sidelnikov, Oleg S., Fedoruk, Mikhail P. and Turitsyn, Sergei K. (2016). Mitigation of nonlinear transmission effects for OFDM 16-QAM optical signal using adaptive modulation. Optics Express, 24 (26), pp. 30296-30308.

Abstract

The impact of the fiber Kerr effect on error statistics in the nonlinear (high power) transmission of the OFDM 16-QAM signal over a 2000 km EDFA-based link is examined. We observed and quantified the difference in the error statistics for constellation points located at three power-defined rings. Theoretical analysis of a trade-off between redundancy and error rate reduction using probabilistic coding of three constellation power rings decreasing the symbol-error rate of OFDM 16-QAM signal is presented. Based on this analysis, we propose to mitigate the nonlinear impairments using the adaptive modulation technique applied to the OFDM 16-QAM signal. We demonstrate through numerical modelling the system performance improvement by the adaptive modulation for the large number of OFDM subcarriers (more than 100). We also show that a similar technique can be applied to single carrier transmission.

Publication DOI: https://doi.org/10.1364/OE.24.030296
Dataset DOI: https://doi.org/10.17036/researchdata.aston.ac.uk.00000203
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Systems analytics research institute (SARI)
Engineering & Applied Sciences > Institute of Photonics
Additional Information: © 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. Funding: EPSRC (UNLOC); and Ministry of Education and Science of Russian Federation (RFMEFI57814X0029 and 14.B25.31.0003).
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
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Related URLs: http://www.scopus.com/inward/record.url?scp=85009402236&partnerID=8YFLogxK (Scopus URL)
Published Date: 2016-12-26
Authors: Skidin, Anton S.
Sidelnikov, Oleg S.
Fedoruk, Mikhail P.
Turitsyn, Sergei K. ( 0000-0003-0101-3834)

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