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4*2.5 Gbit/s, NRZ transmission experiments over crossconnects with opto-electronic frequency converters and dispersion compensated standard single-mode fibre links


IEICE Transactions on Electronics 82 (1999), Nr.8, S.1393-1396
ISSN: 0916-8524
Fraunhofer HHI ()
compensation; jitter; optical communication equipment; optical fibre communication; optical fibre dispersion; optical links; optical switches; optical wavelength conversion; optoelectronic devices; transponders; wavelength division multiplexing; nrz transmission experiments; opto-electronic frequency converters; dispersion compensated standard single-mode fibre links; wdm transmission experiments; wavelength converting 2r-transponders; direct modulated transponder lasers; cascaded crossconnects; trunk lines; accumulated jitter; wdm network design; bitrate-transparent wavelength conversion; 2.5 Gbit/s; 1750 km

WDM transmission experiments over cascaded sections of optical links including wavelength converting 2R-transponders have been carried out in a loop testbed. Using dispersion compensated links and simple direct modulated transponder lasers, up to 11 cascaded crossconnects and 1750 km trunk lines have been bridged with 2.5 Gbit/s NRZ signals. The limitations are given mainly due to the accumulated jitter as it is shown by numerical simulations. The results indicate, that 2R-transponders are a useful approach to a flexible WDM network design using bitrate-transparent wavelength conversion.