INFLUENCE OF CONNECTION FORMS OF FIBER BRAGG GRATING ON MULTI-CHANNEL DISPERSION COMPENSATION SYSTEM
Pei Li, Qi Chunhui, Ning Tigang, Li Zhuoxuan, Gao-song, Zhao Ruifeng
Abstract:
The multi-channel dispersion compensator by using chirped fiber Bragg gratings(CFBGs) has been one of the key technologies of high speed optical fiber communication system. The characteristics of reflection spectrum, time delay and dispersion of CFBGs with different connection forms are studied. By stress modulating and UV post-exposure, the uniform characteristics of the reflection spectrum of CFBGs are increased, and the influence of superposition effect caused by the parallel connection of CFBGs is decreased greatly. At the same time, the interference length is used to optimize the position of the cascaded CFBGs, and the cross talk can be decreased. By using the above optimized CFBGs connection forms,13 different wavelength CFBGs are cascaded in each dispersion compensator, and 20 CFBGs are parallel connected in each channel, a 13×10Gb/s 3100km ultra long G.652 fiber transmission system is successfully implemented without electric regenerator. The power penalty of the carrier-suppressed return-to-zero (CSRZ) code transmission system is only 2.5dB.
Keywords:
high speed optical fiber transmission system, Fiber Bragg grating, Dispersion compensation, Cascaded connection, Parallel connection
Download:
IMEKO-TC2-2010-07.pdf
DOI:
-
Event details
IMEKO TC:
TC2
Event name:
TC2 Symposium 2010
Title:
19th Symposium on Photonic Measurements
Place:
Hangzhou, CHINA
Time:
11 September 2010 - 13 September 2010
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