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Effects of crosstalk in WDM systems using spectrum-sliced light sources

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3 Author(s)
Jang, Y.S. ; Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea ; Lee, Ch. ; Chung, Y.C.

We report on the effects of intraband crosstalk in the system using spectrum-sliced light sources. The results show that the spectrum-sliced light sources are much less sensitive to intraband crosstalk compared to laser sources. This is mainly because the spectrum-sliced light source should have relatively broad optical bandwidth to obtain the signal-to-noise ratio required for the acceptable bit-error-rate performance. Thus, in the system using spectrum-sliced light sources, the signal-crosstalk beat noise is reduced significantly as the beat components become spread outside of the receiver's bandwidth.

Published in:

Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 6 )