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1. Real-time group-velocity dispersion monitoring and automated compensation without modifications of the transmitter

Author

Pan, Z., Xie, Y., Havstad, S.A., Yu, Q., Willner, A.E., Grubsky, V., Starodubov, D.S., and Feinberg, J.

Subjects
*ACHROMATISM, *FIBERS, *DIFFRACTION gratings, *OPTICS
Abstract

We show that the clock signal can be regenerated, or suffer fading, through a dispersive fiber link for NRZ or RZ data, respectively. The clock regenerating and fading effects can be used to monitor the accumulated chromatic dispersion for unambiguous windows of ±900 ps/nm for NRZ systems and ±640 ps/nm for RZ systems at 10 Gbit/s. We also demonstrate dynamic dispersion compensation for both NRZ and RZ data at 10 Gbit/s using the extracted power as a control signal to stretch a nonlinearly chirped fiber Bragg grating. [Copyright &y& Elsevier]

Published
2004
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