Silicon photonic tunable optical dispersion compensator.

A silicon photonic tunable optical dispersion compensator (TODC) is demonstrated based on a series of 5 thermally tunable Mach- Zehnder interferometers. The TODC has a 2.8mm x 5.0 mm foot-print with continuously tunable dispersion from 0ps/nm to 2000ps/nm with a low tuning power of 80mW. This TODC is used to extend the reach of a 10Gb/s link from 85km to 150km.

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