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Regeneration capabilities of passive saturable absorber-based optical 2R in 20 Gbit/s RZ DWDM long-haul transmissions

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8 Author(s)
Seguineau, F. ; Alcatel Res. & Innovation, Marcoussis, France ; Rouvillain, D. ; Choumane, H. ; Aubin, G.
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A semiconductor saturable absorber-based optical 2R regenerator is implemented in a 20 Gbit/s WDM-emulated dispersion-managed loop transmission with 'standard' 50% RZ signals. When reducing the channel spacing from 200 down to 50 GHz, the optical 2R regenerator is seen to ensure Q-factors at 9000 km distance of 14.5 and 11.2 dB, respectively.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 11 )