Giacoumidis, Elias, Mhatli, Sofien, Nguyen, Tu, Le, Son T., Aldaya, Ivan, McCarthy, Mary E., Ellis, Andrew D. and Eggleton, Benjamin J. (2016). Comparison of DSP-based nonlinear equalizers for intra-channel nonlinearity compensation in coherent optical OFDM. Optics Letters, 41 (11), pp. 2509-2512.
Abstract
A novel versatile digital signal processing (DSP)-based equalizer using support vector machine regression (SVR) is proposed for 16-quadrature amplitude modulated (16-QAM) coherent optical orthogonal frequency-division multiplexing (CO-OFDM) and experimentally compared to traditional DSP-based deterministic fiber-induced nonlinearity equalizers (NLEs), namely the full-field digital back-propagation (DBP) and the inverse Volterra series transfer function-based NLE (V-NLE). For a 40 Gb/s 16-QAM CO-OFDM at 2000 km, SVR-NLE extends the optimum launched optical power (LOP) by 4 dB compared to V-NLE by means of reduction of fiber nonlinearity. In comparison to full-field DBP at a LOP of 6 dBm, SVR-NLE outperforms by ∼1 dB in Q-factor. In addition, SVR-NLE is the most computational efficient DSP-NLE.
Publication DOI: | https://doi.org/10.1364/OL.41.002509 |
---|---|
Divisions: | College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT) |
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: Centre of Excellence (CE110001018); Laureate Fellowship (FL120100029); EPSRC (EP/J017582/1, EP/L000091/1); FAPESP (2015/04113-0). |
Uncontrolled Keywords: | Atomic and Molecular Physics, and Optics |
Publication ISSN: | 1539-4794 |
Last Modified: | 30 Sep 2024 10:53 |
Date Deposited: | 04 Jul 2016 13:40 |
Full Text Link: | |
Related URLs: |
http://www.scop ... tnerID=8YFLogxK
(Scopus URL) https://www.osa ... i=ol-41-11-2509 (Publisher URL) |
PURE Output Type: | Article |
Published Date: | 2016-06-01 |
Published Online Date: | 2016-05-20 |
Accepted Date: | 2016-04-28 |
Authors: |
Giacoumidis, Elias
Mhatli, Sofien Nguyen, Tu Le, Son T. ( 0000-0002-3824-9456) Aldaya, Ivan McCarthy, Mary E. ( 0000-0002-1348-1574) Ellis, Andrew D. ( 0000-0002-0417-0547) Eggleton, Benjamin J. |