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Cascadability of an All-Optical 3R Regenerator Utilizing Nonlinear Phase Modulation and Offset Filtering at 10 and 40 Gb/s

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3 Author(s)
Sung Han Chung ; Queen''s Univ., Kingston, ON, Canada ; Xuefeng Tang ; Cartledge, J.C.

The cascadability of a polarization-insensitive wavelength-preserving all-optical 3R regenerator is experimentally investigated for bit rates of 10 and 40 Gb/s. The regenerator consists of a self-pulsating laser for clock recovery, cross-phase-modulation-based retiming, and self-phase-modulation-based reshaping. A recirculating loop is used to demonstrate the cascadability of the regeneration scheme by transmitting return-to-zero on-off-keyed signals over 18 000 km at 10 Gb/s and over 8000 km at 40 Gb/s.

Published in:
Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 23 )

Date of Publication: Dec.1, 2009

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