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Future flexible transceivers will be able to adjust modulation format, symbol rate and FEC scheme according to the channel and network conditions. This paper uses a combination of theoretical derivations and experimental results to recommend the best set of parameters to satisfy a specific demand to be routed along the network. In particular, for a given required OSNR (which is related to reach) and...
This paper presents a solution for high voltage current transformers onsite errors verification, using a system composed by an optical current sensor as reference standard, suitable for live line installation up to 550 kV. The system is described; its performance results are presented, as well as field applications and results. Some limitations that have to be overcome to obtain a reasonable measurement...
We demonstrate a 4×170 Gbit/s DWDM/OTDM transmission experiment using only one quantum dash Fabry-Perot mode-locked laser. BER measurements show a penalty of 1dB at BER=10-9 for back-to-back and error floor for BER=10-8 for transmission over 100 km.
We demonstrate that quantum-dash mode-locked laser can perform all optical frequency down-conversion clock recovery up to 425 GHz. We measured 0.3 dB penalty on the optical recovered clock for 170 Gbit/s signal.
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