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IEEE Journal of Lightwave Technology
Volume 18 Number 8, August 2000

Table of Contents for this issue

Complete paper in PDF format

Performance Analysis of a Dispersion Compensator Using Arrayed-Waveguide Gratings

Hiroyuki Tsuda, Member, IEEE, Member, OSA Hirokazu Takenouchi, Akira Hirano, Takashi Kurokawa, Member, IEEE, Member, OSA and Katsunari Okamoto Senior Member, IEEE, Member, OSA

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Abstract:

We have developed a dispersion compensator that uses arrayed-waveguide gratings (AWGs) and a spatial filter. The compensator using AWGs with 380 waveguides in each array and the diffraction order of 53, can compensate a total second-order dispersion of 260 ps/nm with an eye-closure penalty of 1 dB for a 40-Gb/s nonreturn-to-zero (NRZ) signal. It is shown that the required spatial resolution of the spatial phase filter for compensation is 2.5-5 µm for silica AWGs of usual design. The acceptable fluctuation in the refractive index of the waveguides in the AWGs is as large as 5 × 10-5 .

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