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Proceedings Paper

Impact of modulator chirp in 100 Gbps class optical discrete multi-tone transmission system
Author(s): Masato Nishihara; Toshiki Tanaka; Tomoo Takahara; Lei Li; Zhenning Tao; Jens C. Rasmussen
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Paper Abstract

Discrete multi-tone (DMT) technology is an attractive modulation technique for short reach optical transmission system. One of the main factors that limit the performance of the 1.5-m band DMT system is the interplay between the chromatic dispersion of the transmission fiber and the chirp characteristic of the transmitter. We experimentally measured and compared the chirp characteristics of various modulator configurations, which are lithium-niobate Mach-Zehnder modulator, directly modulated laser, and electro-absorption modulator, by the frequency discriminator method using MZ interferometer. We also measured and compared the transmission characteristics of the transmitters using above-mentioned modulators and discuss the suitable transmitter configuration for DMT technology.

Paper Details

Date Published: 5 February 2013
PDF: 11 pages
Proc. SPIE 8646, Optical Metro Networks and Short-Haul Systems V, 86460N (5 February 2013); doi: 10.1117/12.2003713
Show Author Affiliations
Masato Nishihara, Fujitsu Labs. Ltd. (Japan)
Toshiki Tanaka, Fujitsu Labs. Ltd. (Japan)
Tomoo Takahara, Fujitsu Labs. Ltd. (Japan)
Lei Li, Fujitsu R&D Ctr. (China)
Zhenning Tao, Fujitsu R&D Ctr. (China)
Jens C. Rasmussen, Fujitsu Labs. Ltd. (Japan)


Published in SPIE Proceedings Vol. 8646:
Optical Metro Networks and Short-Haul Systems V
Werner Weiershausen; Benjamin B. Dingel; Achyut K. Dutta; Atul K. Srivastava, Editor(s)

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