Abstract
The erbium-doped fiber amplifier (EDFA) and wavelength-division multiplexing (WDM) technology will be the basis for realizing longer distance, higher capacity transmission systems: Loss compensation by EDFAs has enabled us to transmit several channels of multi-Gbit/s WDM signal without sacrificing the system power budget. In such EDFA-based WDM systems, optical fiber nonlinearity such as self-phase modulation (SPM), cross-phase modulation (CPM) and four-wave mixing (FWM), in conjunction with dispersion, is one of the dominant factors that limit the performance.1,2 In conventional single-mode fibers, a large amount of dispersion is expected to cancel out the influence of CPM,2 and inhibit generation of new frequency FWM components due to phase mismatching. However, few experimental examinations have been reported on this subject.
© 1996 Optical Society of America
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