Raman limited, truly unrepeatered transmission at 2.5 Gbit/s over 453 km with +30 dBm launch signal power

Unrepeatered transmission of a single-channel, 2.5 Gbit/s signal is demonstrated over 453 km without using remote optically pumped amplifiers. An efficient SBS suppression scheme and chromatic dispersion compensation enable the launch of a+30 dBm signal into the fibre while Raman distributed preampl...

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Bibliographic Details
Main Authors: Brandon, E., Blondel, J.-P.
Format: Conference Proceeding
Language:English
Subjects:
Brillouin scattering
Chromatic dispersion
Optical amplifiers
Optical filters
Optical pumping
Optical receivers
Optical transmitters
Phase modulation
Semiconductor optical amplifiers
Stimulated emission
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Summary:Unrepeatered transmission of a single-channel, 2.5 Gbit/s signal is demonstrated over 453 km without using remote optically pumped amplifiers. An efficient SBS suppression scheme and chromatic dispersion compensation enable the launch of a+30 dBm signal into the fibre while Raman distributed preamplification is used at the receive side. Raman limitation induced by signal and pump depletion is pointed out.
DOI:10.1109/ECOC.1998.732723