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We propose and demonstrate a novel method for simultaneous chromatic dispersion (CD) and polarization-mode-dispersion (PMD) monitoring using RF spectrum analysis. In this method, the clock frequency of single sideband of the optical signal is removed by using a narrow bandwidth fiber Bragg grating (FBG) notch filter. After photon detection of the filtered optical signal, the clock tone power of the...
We present a comprehensive theoretical study of four-wave mixing in optical fiber with exploring four fiber types. The four-wave mixing induced crosstalk noise is described by an expression that is based on NLS equation, and it describes the mutual channel interference optical losses in multi channel optical communications system. The corresponding system of equations has then been numerically integrated,...
We present a comprehensive theoretical study of cross-phase modulation in optical fiber with exploring four fiber types. The cross-phase modulation induced crosstalk noise is described by a system of coupled equations, which describes mutual channel interference optical losses in multi channel optical communications system. The corresponding system of equations has then been numerically integrated,...
A detailed theoretical analysis is presented to evaluate the combined influence of self-phase modulation (SPM) and group velocity dispersion (GVD) of optical fiber on the bit error rate (BER) performance of a heterodyne optical CPFSK system. The power penalty suffered by the system due to the combined influence of GVD and SPM is evaluated from the BER performance results. It is found that the penalty...
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