Electronic Compensation of Optical Fiber Nonlinearity for Intensity and Phase Modulated WDM Transmission Systems
M. I. Hayee.
In this paper, we have proposed a novel technique to electronically post-compensate fiber nonlinearity in 40 Gb/s long-haul WDM transmission systems on which a patent application has recently been filed to USPTO. We have analyzed this technique for both intensity and phase modulated WDM transmission system using two different dispersion maps. Our analysis shows that the proposed technique can increase the overall system margin by 1.5 dB in intensity modulated and 1.0 dB in phase modulated 40 Gb/s long-haul WDM transmission systems.
Keywords: Fiber optics, fiber nonlinearity, modulation format, electronic compensation, WDM Transmission Systems, optical communication systems, multiple decision circuits, intensity modulated systems, DPSK systems, optical transmission, Electronic equalization, chromatic dispersion, optical fiber communications, optical signal processing, coherent communication systems
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