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We propose a propagation model for the weakly coupled multicore fiber (MCF), taking into account crosstalk random behavior with respect to both frequency and spatial distribution. Based on the analytical model, the effect of crosstalk on the MCF transmission can be treated as a Gaussian-like noise source, independent of amplified spontaneous emission noise and nonlinear interference (NLI) noise. Consequently,...
We have modeled the intercore crosstalk of multicore fiber and proposed an effective method for mitigating the penalties from the crosstalk. Employing the same local oscillator to hybrid with signals in different cores and taking advantage of the estimated phase information of the signal in other cores, the SNR penalty is reduced below 1dB for any core of MCF with QPSK signals before the crosstalk...
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