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Experimental Demonstration of the Impact of MZM Non-Linearity on Direct-Detection Optical OFDM

Omomukuyo, O; Thakur M, ; Mitchell J E, ; (2012) Experimental Demonstration of the Impact of MZM Non-Linearity on Direct-Detection Optical OFDM. In: (Proceedings) Workshop on Hybrid Optical Wireless Access Networks. : Paris. (In press).

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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.

Type: Proceedings paper
Title: Experimental Demonstration of the Impact of MZM Non-Linearity on Direct-Detection Optical OFDM
Event: Workshop on Hybrid Optical Wireless Access Networks
Publisher version: http://www.ieee-wcnc.org/
Keywords: Orthogonal frequency division multiplexing (OFDM); direct detection; mach-zehnder modulator (MZM); non-linearity; optical fibre communication; modulation format.
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering
UCL > School of BEAMS > Faculty of Engineering Science > Engineering Science Faculty Office
URI: http://discovery.ucl.ac.uk/id/eprint/1335103
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