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Proceedings Paper

Analysis of OFDM signal distortion in optical fiber links
Author(s): Rujian Lin
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Paper Abstract

This paper is dealing with the non-linear distortion of different optical modulators including directly modulated laser diode (LD), Mach-Zehnder modulator (MZM) and reflective semi-conductor optical amplifier (RSOA), which are candidates of optical device used to make colorless ONUs. To analyze the performance of different optical modulators a unified mathematic model is developed in which the optical OFDM signal output from an optical modulator is expressed as a power series including 1-st order and higher order terms. Based on this statistical model, the performance of the modulators are computed and compared. The effect of third order distortion in modulating signal on error vector magnitude (EVM) is particularly evaluated for optimizing the fiber transmission link.

Paper Details

Date Published: 14 December 2011
PDF: 14 pages
Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83091C (14 December 2011); doi: 10.1117/12.913932
Show Author Affiliations
Rujian Lin, Shanghai Univ. (China)


Published in SPIE Proceedings Vol. 8309:
Optical Transmission Systems, Subsystems, and Technologies IX
Xiang Liu, Editor(s)

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