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Polarization-Insensitive Optical Clock Recovery at 80 Gb/s using a Silicon Photodiode AuthorsReza SalemG. E. Tudury T. U. Horton G. M. Carter T. E. Murphy AbstractWe report an optical clock recovery system that uses two-photon absorption in a conventional silicon photodiode to synchronize a 10 GHz optical clock to an 80 Gb/s data stream. Compared to many other clock recovery techniques, the system is economical, polarization-insensitive, and can operate over a broad range of optical wavelengths. The system was tested back-to-back and in a 110 km transmission experiment, achieved error-free performance in all cases, and exhibits an RMS timing jitter of 120 fs. Low timing jitter is maintained even in the presence of slow or fast polarization fluctuations.Download/View
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