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Performance analysis of polarimetric PMD monitoring by real-time optical Fourier transformers

Performance analysis of polarimetric PMD monitoring by real-time optical Fourier transformers,10.1109/LPT.2006.875522,IEEE Photonics Technology Letter

Performance analysis of polarimetric PMD monitoring by real-time optical Fourier transformers   (Citations: 2)
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A spectral polarimeter based on the real-time optical Fourier transform of one or some consecutive Gaussian pulses extracted from an optical transmission link is proposed and its operational limits evaluated. Polarization-mode dispersion (PMD) is calculated from the state-of-polarization spectral rotation rate with 0.36-GHz spectral resolution. The experimental results show sucessful PMD measurement inside 1.9-ps Gaussian return-to-zero pulses in good agreement with the theoretical calculations
Journal: IEEE Photonics Technology Letters - IEEE PHOTONIC TECHNOL LETT , vol. 18, no. 12, pp. 1383-1385, 2006
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    • ...but the most direct approach is to measure the full spectral dependence of the SOP by use of a fast polarimeter [7], an optical Fourier transformer [8], or frequency-tuned coherent detection [9]...

    P. A. Williamset al. Direct Measurement of Vector Polarization-Mode Dispersion From Repeate...

    • ...The SOP rotating spectral components are evaluated employing a real-time optical Fourier transformer (OFT) and polarization projections as described in [22]...
    • ...To demonstrate the proposed technique, the AP-RZ modulated signal with PMD is guided to the polarization processing blocks in Fig. 1. Their basic operation was introduced in [22] and consists on an optical delay line (ODL) to adjust the electrical gating, a motorized polarization controller, a polarizer and a Mach‐Zehnder electro-optic modulator (Covega x-cut zero chirp, 20 GHz Lithium Niobate modulator with polarization maintaining ...
    • ...Fig. 4(a) shows the DGD estimation versus the reference DGD (introduced by the PMD emulator in Fig. 1). The DGD measured in Fig. 4(a) is calculated using the standard Poincaré-arc method exclusively on the traces obtained from Polarization A as described in [22]...

    Roberto Llorente. PMD Monitoring in Polarization-Multiplexed Transmission Systems by Spe...

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