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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 23,
  • Issue 3,
  • pp. 1063-
  • (2005)

Performance Optimization of RZ Data Format in WDM Systems Using Tunable Pulse-Width Management at the Transmitter

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Abstract

Tunable pulse-width management is one of the efficient methods to enhance the robustness of return-to-zero (RZ) data formats for long-haul transmission systems. We demonstrate both single channel and 4 x 10-Gb/s wavelength-division-multiplexed performance optimization using tunable pulse-width management. Pure RZ single with tunable pulse-width is generated by changing the driving voltages on a phase modulator and the dispersion values of a tunable dispersion element simultaneously according to our simulation results. Varying the pulse width from 50 to 10 ps at the transmitter can almost double the transmission distance with 4% variation in the residual link dispersion.

© 2005 IEEE

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