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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 17, Iss. 9 — Sep. 1, 1999
  • pp: 1602–

Polarization Mode Dispersion Compensation at 10, 20, and 40 Gb/s with Various Optical Equalizers

Reinhold Noe, David Sandel, M. Yoshida-Dierolf, Stephan Hinz, V. Mirvoda, A. pflin, C. Glingener, E. Gottwald, C. Scheerer, G. Fischer, Thomas Weyrauch, and Wolfgang Haase

Journal of Lightwave Technology, Vol. 17, Issue 9, pp. 1602- (1999)


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Abstract

Polarization mode dispersion (PMD), especially in "old" fibers, is considered harmful for installation and upgrading of trunk lines. An optical PMD equalizer should have several or many differential group delay (DGD) sections with polarization transformers in between which can endlessly transform any input polarization into a principal state of the following DGD section. The sections must practically have fixed DGD's unless there is only one section. The small-signal baseband transfer function for PMD, higher order PMD, and the necessary number of sections as well as their control by the output signals of an electrical filter bank in the receiver are also discussed in this context. Several PMD equalizers have been realized and successfully tested in transmission systems with bit rates of 10, 20, and 40 Gb/s. The systems operated stably with well-opened eye diagrams for DGD's ranging between 0 and 1.7 bit durations. Best performance is obtained from a distributed PMD equalizer with one piece of polarization-maintaining fiber twisted by 64 stepper motors. The principle can also be realized in LiNbO3.

[IEEE ]

Citation
Reinhold Noe, David Sandel, M. Yoshida-Dierolf, Stephan Hinz, V. Mirvoda, A. pflin, C. Glingener, E. Gottwald, C. Scheerer, G. Fischer, Thomas Weyrauch, and Wolfgang Haase, "Polarization Mode Dispersion Compensation at 10, 20, and 40 Gb/s with Various Optical Equalizers," J. Lightwave Technol. 17, 1602- (1999)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-17-9-1602


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References

  1. T. Ono, S. Yamazaki, H. Shimizu, and K. Emura, "Polarization control method for suppressing polarization mode dispersion influence in optical transmission systems," J. Lightwave Technol., vol. 12, pp. 891-898, May 1994.
  2. F. Curti et al., "Statistical treatment of the evolution of the principal states of polarization in single-mode fibers," J. Lightwave Technol., vol. 8, pp. 1162-1166, Aug. 1990.
  3. G. J. Foschini and C. D. Poole, "Statistical theory of polarization dispersion in single-mode fibers," J. Lightwave Technol., vol. 9, pp. 1439-1456, 1991.
  4. R. Noe, H. Heidrich, and D. Hoffmann, "Endless polarization control systems for coherent optics," J. Lightwave Technol., vol. 6, pp. 1199-1207, July 1988.
  5. N. G. Walker and G. R. Walker, "Polarization control for coherent optical communications," J. Lightwave Technol., vol. 8, pp. 438-458, Mar. 1990.
  6. R. Ulrich and A. Simon, "Polarization optics of twisted single mode fibers," Appl. Opt., vol. 18, pp. 2241-2251, 1979.

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