Optical regeneration at 40 Gb/s and beyond

As optical amplifiers have opened new perspectives for optical communication systems with ultrahigh capacities and long-haul transmission distances (more than 1 Tb/s over 10 000 km), fundamental limits are being felt. In order to overcome these propagation impairments, another technology revolution...

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Bibliographic Details
Published in:Journal of lightwave technology 2003-11, Vol.21 (11), p.2779-2790
Main Authors: Leclerc, O., Lavigne, B., Balmefrezol, E., Brindel, P., Pierre, L., Rouvillain, D., Seguineau, F.
Format: Article
Language:English
Subjects:
Alternating current
Amplifiers
Fiber nonlinear optics
Impairment
Nonlinear optics
Optical communication
Optical distortion
Optical fiber communication
Optical interferometry
Optical signal processing
Optical solitons
Optoelectronics
Recall
Regeneration
Repeaters
Semiconductor optical amplifiers
Stimulated emission
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Summary:As optical amplifiers have opened new perspectives for optical communication systems with ultrahigh capacities and long-haul transmission distances (more than 1 Tb/s over 10 000 km), fundamental limits are being felt. In order to overcome these propagation impairments, another technology revolution is soon required. Promising developments concern in-line all-optical regeneration, which makes it possible to transmit optical data over virtually unlimited distances. In this paper, we recall the basic principles of optical regeneration in optical communication systems and review the current technology alternatives foreseen for future 40-Gb/s transmission system implementation, as investigated in Alcatel Research and Innovation. The alternative offered by optoelectronic regeneration is also discussed, so as to identify and highlight the advantages of the all-optical approach.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2003.819148