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

T. Yamamoto; C. Schmidt; E. Dietrich; C. Schubert; J. Berger; R. Ludwig; H.G. Weber

Optical Fiber Communications Conference
OSA Trends in Optics and Photonics (Optica Publishing Group, 2002),
paper TuN5

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

T. Yamamoto, C. Schmidt, E. Dietrich, C. Schubert, J. Berger, R. Ludwig, and H.G. Weber

Optical Fiber Communication Conference 2002

Anaheim, California United States
ISBN: 1-55752-700-8

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Optical Regmeration (TuN)

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T. Yamamoto, C. Schmidt, E. Dietrich, C. Schubert, J. Berger, R. Ludwig, and H. G. Weber, "40 GHz optical clock extraction from 160 Gbit/s data signals using PLL-based clock recovery," in Optical Fiber Communications Conference, A. Sawchuk, ed., Vol. 70 of OSA Trends in Optics and Photonics (Optica Publishing Group, 2002), paper TuN5.

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Abstract

To realize ultra-fast optical time-division multiplexing (OTDM) transmission systems, clock recovery is an essential operation of a receiver as well as of a regenerator. For subharmonic clock extraction from data signals beyond 100 Gbit/s, a phase-locked loop (PLL) with an optical or optoelectrical phase comparator^1–3 is a promising method among the many methods proposed and demonstrated so far. In 160 Gbit/s OTDM experiments, a base-rate frequency of 10 GHz is usually used up to now.

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