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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper CThN3

Optical clock extraction of NRZ data using a semiconductor nonlinear bistable device based on distributed-feedback/Fabry–Perot (DFB/FP) multilayer structure

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Abstract

Data synchronization is an important issue in optical communication systems whenever regenerative repeaters, time division multi/demultiplexers, or switches are encountered. In order to achieve a system synchronization, the clock signal needs to be recovered from an incoming data stream. In the NRZ format digital optical transmission systems, the clock frequency component is not present in the modulation frequency spectrum.

© 1994 Optical Society of America

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