Experimental demonstration of the impact of MZM non-linearity on direct-detection optical OFDM

Author

Omomukuyo, Oluyemi ; Thakur, Manoj P. ; Mitchell, Jason E.

Author_Institution

Dept. of Electron. & Electr. Eng., Univ. Coll. London, London, UK

fYear

2012

fDate

1-4 April 2012

Firstpage

3753

Lastpage

3757

Abstract

In this paper, we present experimental demonstrations of the effects on the system performance of a direct-detection optical Orthogonal Frequency Division Multiplexing (DD-OOFDM) system due to variation of the bias voltage to the Mach-Zehnder modulator (MZM). This work also investigates how a variation in the modulation format influences the non-linear distortion introduced by the MZM characteristic and hence the system performance. System performance is evaluated at 3 Gbaud symbol rate using Error Vector Magnitude (EVM) measurements as a performance metric.

Keywords

OFDM modulation; multiplexing; optical fibre communication; optical modulation; 3 Gbaud symbol rate; DD-OOFDM system; EVM measurements; MZM nonlinearity; Mach-Zehnder modulator; direct-detection optical OFDM; direct-detection optical orthogonal frequency division multiplexing system; error vector magnitude measurements; Orthogonal frequency division multiplexing (OFDM); direct detection; mach-zehnder modulator (MZM); modulation format; nonlinearity; optical fibre communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Wireless Communications and Networking Conference (WCNC), 2012 IEEE

Conference_Location

Shanghai

ISSN

1525-3511

Print_ISBN

978-1-4673-0436-8

Type

conf

DOI

10.1109/WCNC.2012.6524250

Filename

6524250