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40 GHz optical clock extraction from 160 Gbit/s data signals using PLL-based clock recovery

: Yamamoto, T.; Schmidt, C.; Dietrich, E.; Schubert, C.; Berger, J.; Ludwig, R.; Weben, H.G.

Sorin, W.V.:
OFC 2002, Optical Fiber Communication Conference and Exhibit. Technical digest : March 17 - 22, 2002, Anaheim
Washington, DC: OSA, 2002 (Trends in optics and photonics series 70)
ISBN: 1-55752-701-6
Optical Fiber Communication Conference <2002, Anaheim>
Fraunhofer HHI ()

The demonstration of 40 GHz optical clock extraction from 160 Gbit/s input data signals was presented by introducing an optical multiplexer to an optical phase-locked loop (PLL) based on a semiconductor laser amplifier in a loop mirror (SLALOM). The RMS timing jitter of less than 0.3 ps was obtained for a wide range of data input powers. The 80 and 160 GHz clock extraction was also investigated and it was shown that SLALOM operated as phase comparator for clock signals up to 160 GHz.