Abstract

Polarization division multiplex (PolDM) is a bandwidth-efficient and sensitive modulation format suitable for upgrading bandwidth-limited trunk lines. We show how control signals for polarization demultiplex can be obtained efficiently. For interleaved return-to-zero (RZ) signals, incoherent crosstalk has to be detected and minimized. In other cases, in particular for nonreturn-to-zero (NRZ) signals, coherent crosstalk senses penalties much better and should be detected instead. NRZ transmission experiments with either scheme are presented at a data rate of 2 10 Gb/s, with endless polarization tracking. Polarization mode dispersion (PMD) tolerance is also assessed.

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References

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  1. S. G. Evangelideset al., "Polarization multiplexing with solitons", IEEE J. Lightwave Technol., vol. 10, pp. 28-35, Jan. 1992.

J. Lightwave Technol. (1)

S. G. Evangelideset al., "Polarization multiplexing with solitons", IEEE J. Lightwave Technol., vol. 10, pp. 28-35, Jan. 1992.

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