IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Externally modulated lightwave CATV transport systems employing negative dispersion fiber
Shah-Jye TzengHai-Han LuChing-Yi ChenHsiang-Chun Peng
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2004 Volume 1 Issue 11 Pages 287-291

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Abstract

An externally modulated AM-VSB CATV transport system in the 1550nm region using negative dispersion fiber (NDF) as the transmission medium is proposed and successfully demonstrated. Good performances of carrier-to-noise radio (CNR), composite second order (CSO) and composite triple beat (CTB) were achieved over an-80km NDF transmission without dispersion compensation. Externally modulated transmitter has a positive residual Mach-Zehnder modulator (MZM) chirp; but, NDF has a negative dispersion property in the transmission fiber. This negative dispersion property overcomes the positive frequency chirp and results in system with better transmission performance.

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© 2004 by The Institute of Electronics, Information and Communication Engineers
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