All-optical 2R regeneration of 40-Gb/s signal impaired by intrachannel four-wave mixing

We experimentally investigate the ability of an all-optical 2R regenerator to suppress impairments caused by intrachannel four-wave mixing (IFWM) and intrachannel cross-phase modulation (IXPM), which are the two dominant nonlinear effects in 40-Gb/s pseudolinear transmission systems. The 2R regenera...

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Bibliographic Details
Published in:IEEE photonics technology letters 2003-02, Vol.15 (2), p.350-352
Main Authors: Su, Y., Raybon, G., Essiambre, R.-J., Tsing-Hua Her
Format: Article
Language:English
Subjects:
Fiber nonlinear optics
Fibers
Fluctuations
Four-wave mixing
Impairment
Modulation
Noise levels
Optical fiber communication
Optical fiber dispersion
Optical fibers
Optical mixing
Optical signal processing
Regenerators
Repeaters
Shadows
Timing jitter
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Summary:We experimentally investigate the ability of an all-optical 2R regenerator to suppress impairments caused by intrachannel four-wave mixing (IFWM) and intrachannel cross-phase modulation (IXPM), which are the two dominant nonlinear effects in 40-Gb/s pseudolinear transmission systems. The 2R regenerator suppresses amplitude fluctuations and shadow pulses induced by IFWM in 80-km transmission over standard single-mode fiber, allowing an increase of signal power by /spl sim/3 dB. However, the 2R regenerator shows little improvement for an 80-km TrueWave RS fiber, where timing jitter originating from IXPM dominates.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2002.806859