Abstract

This paper reports an integrated-optic dispersion slope (third-order dispersion) equalizer for dispersion shifted fiber which employs a lattice-form programmable optical filter on a planar lightwave circuit (PLC). This dispersion slope equalizer consists of nine symmetrical interferometers interleaved with eight asymmetrical interferometers. The performance of the equalizer is evaluated numerically. We confirm experimentally that this equalizer is effective in reducing the pulse waveform deterioration caused by the dispersion slope. In addition, the equalizer improves the power penalty of a 200-Gb/s, 100-km, time-division multiplexed optical transmission experiment.

[IEEE ]

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  1. K. Jinguji and M. Kawachi, "Synthesis of coherent two-port lattice-form optical delay-line circuit," J. Lightwave Technol., vol. 13, pp. 73-82, Jan. 1995.
  2. N. Takato, K. Jinguji, M. Yasu, H. Toba, and M. Kawachi, "Silica-based single-mode waveguides on silicon and their application to guided-wave optical interferometers," J. Lightwave Technol., vol. 6, pp. 1003-1010, June 1988.
  3. K. Takiguchi, K. Okamoto, and K. Moriwaki, "Planar lightwave circuit dispersion equalizer," J. Lightwave Technol., vol. 14, pp. 2003-2011, Sept. 1996.
  4. S. Ryu, Y. Horiuchi, and K. Mochizuki, "Novel chromatic dispersion measurement method over continuous gigahertz tuning range," J. Lightwave Technol., vol. 7, pp. 1177-1180, Aug. 1989.
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J. Lightwave Technol. (5)

K. Jinguji and M. Kawachi, "Synthesis of coherent two-port lattice-form optical delay-line circuit," J. Lightwave Technol., vol. 13, pp. 73-82, Jan. 1995.

N. Takato, K. Jinguji, M. Yasu, H. Toba, and M. Kawachi, "Silica-based single-mode waveguides on silicon and their application to guided-wave optical interferometers," J. Lightwave Technol., vol. 6, pp. 1003-1010, June 1988.

K. Takiguchi, K. Okamoto, and K. Moriwaki, "Planar lightwave circuit dispersion equalizer," J. Lightwave Technol., vol. 14, pp. 2003-2011, Sept. 1996.

S. Ryu, Y. Horiuchi, and K. Mochizuki, "Novel chromatic dispersion measurement method over continuous gigahertz tuning range," J. Lightwave Technol., vol. 7, pp. 1177-1180, Aug. 1989.

O. Kamatani and S. Kawanishi, "Ultrahigh-speed clock recovery with phase lock loop based on four-wave mixing in a traveling-wave laser diode amplifier," J. Lightwave Technol., vol. 14, pp. 1757-1767, Aug. 1996.

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