TY - JOUR
T1 - Radial basis function network equalizer for optical communication OOK system
AU - Katz, Gilad
AU - Sadot, Dan
N1 - Funding Information:
Manuscript received November 29, 2006; revised April 26, 2007. This work was supported by the Israel Science of Foundation under Grant 322/04. G. Katz was with the Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 84105 Israel. He is now with MultiPON Networks, Omer 84965, Israel (e-mail: giladk@ ee.bgu.ac.il). D. Sadot is with the Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel (e-mail: [email protected]). Color versions of one or more of the figures in this paper are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/JLT.2007.902109 Fig. 1. Optical fiber communication OOK system using an electronic equalizer with direct detection.
PY - 2007/9/1
Y1 - 2007/9/1
N2 - In this paper, we introduce a nonlinear equalizer using the radial basis function (RBF) network for electronic dispersion compensation in optical communication systems with on-off keying and a direct-detection receiver. The RBF method introduces a nonlinear equalization technique that is suitable for optical communication direct-detection systems that include nonlinear transformation at the photodetector. A bit error rate performance comparison shows that the RBF equalizer outperforms the conventional linear feedforward equalizer. In addition, it is shown that, in optically amplified systems, the RBF equalizer improvement is increased even further. Finally, the feasibility of the RBF method is validated by experimental results.
AB - In this paper, we introduce a nonlinear equalizer using the radial basis function (RBF) network for electronic dispersion compensation in optical communication systems with on-off keying and a direct-detection receiver. The RBF method introduces a nonlinear equalization technique that is suitable for optical communication direct-detection systems that include nonlinear transformation at the photodetector. A bit error rate performance comparison shows that the RBF equalizer outperforms the conventional linear feedforward equalizer. In addition, it is shown that, in optically amplified systems, the RBF equalizer improvement is increased even further. Finally, the feasibility of the RBF method is validated by experimental results.
KW - Electrical dispersion compensation
KW - Optical fiber communication system
KW - Radial basis function (RBF)
UR - http://www.scopus.com/inward/record.url?scp=34548627493&partnerID=8YFLogxK
U2 - 10.1109/JLT.2007.902109
DO - 10.1109/JLT.2007.902109
M3 - Article
AN - SCOPUS:34548627493
SN - 0733-8724
VL - 25
SP - 2631
EP - 2637
JO - Journal of Lightwave Technology
JF - Journal of Lightwave Technology
IS - 9
ER -