DMT Transmission in SI POF With Minimax Channel Shortening Equalizer

Author

Stepniak, G.

Author_Institution

Inst. of Telecommun., Warsaw Univ. of Technol., Warsaw, Poland

Volume

26

Issue

17

fYear

2014

fDate

Sept.1, 1 2014

Firstpage

1750

Lastpage

1753

Abstract

Discrete multitone (DMT) is a viable candidate for modulation format in step index polymere optical fibers (SI POFs). In this letter, it is shown that the performance of the DMT system in SI POF can be considerably improved by using a time-domain impulse response shortening equalizer. A new method of calculating the equalizer´s coefficients, which employs minimax optimization, is formulated. The proposed method gives similar or even slightly better results than the eigen filter method used as reference. Increase of bit rate by 7.1 (9.5)% in 50 (100) m SI POF is experimentally confirmed using the minimax method.

Keywords

equalisers; minimax techniques; optical fibre communication; optical polymers; transient response; DMT transmission; eigen filter method; equalizer coefficients; minimax channel shortening equalizer; step index polymer optical fibers; time-domain impulse response shortening equalizer; Bandwidth; Bit rate; Equalizers; Modulation; Optical fibers; Signal to noise ratio; Silicon; DMT; equalizers; minimax methods; optical communication;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2014.2332040

Filename

6840309