The nature of how a chirped Gaussian pulse is affected in the system with both polarization mode dispersion (PMD) and polarization-dependent loss (PDL) is analyzed. We develop a mathematical description and verify the results through numerical simulation. The delay of a chirped Gaussian pulse depends not only on the group delay characteristic of the transmission system but also on the chirp of the pulse itself. The delay also depends on the magnitude profile of the frequency response of the system. Therefore, the effective PMD for a chirped Gaussian pulse is related to both the PMD and PDL in the transmission system. The results show that the effective PMD may deteriorate when a PDL exists.
© 2004 Optical Society of America
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