Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 24, Issue 5, Pages 2070-2075Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2006.872293
Keywords
fiber nonlinearity; information theory; optical fiber communication systems; optical phase conjugation; Volterra series; wavelength division multiplexing systems
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A comparative study of the Shannon channel capacity is presented for a dispersion-free fiber, a fiber with constant dispersion, and a fiber with variable dispersion. Improvement of the capacity by optical phase conjugation (OPC) is also investigated. Simple scaling laws are prescribed for the dependence of the optimal capacity on various system settings such as number of spans, number of channels, noise power, channel width, strength of chromatic dispersion, bandwidth of an OPC device, etc.
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