Abstract

Restoration of distorted optical pulses is achieved using nonlinear fiber self-phase spectral broadening and subsequent optical band-pass filtering of a single sideband. Using this technique, the output pulsewidth is shown to remain constant for input pulse-widths between 9-20 ps. A detailed investigation of the signal-to-noise ratio shows that best performance is obtained by operating in normal fiber dispersion regime. This technique is also applied to restore 40 Gb/s RZ-data suffering distortion from polarization mode dispersion. The high-bandwidth fiber nonlinearity shows promise to scale to higher bit rate pulse distortion correction.

[IEEE ]

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  1. T. Ono, S. Yamazaki, H. Shimizu and H. Emura, "Polarization control method for suppressing polarization mode dispersion in optical transmission systems", J. Lightwave Technol., vol. 12, pp. 891-898, May 1994.
  2. M. Nakazawa, H. Kubota and K. Tamura, "Random evolution and coherence degradation of a high-order optical soliton train in the presence of noise", Opt. Lett., vol. 24, pp. 318-320, 1999.

J. Lightwave Technol. (1)

T. Ono, S. Yamazaki, H. Shimizu and H. Emura, "Polarization control method for suppressing polarization mode dispersion in optical transmission systems", J. Lightwave Technol., vol. 12, pp. 891-898, May 1994.

Opt. Lett. (1)

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