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Over an 8-rack, 32-server WDM-based all-optical switching data center network, we show the network upgrade using single-wavelength or multi-wavelength 100 Gbps signals, and further show the mixed-line-rate interoperability between 100 Gbps and 10 Gbps signals.
A 2.5G/10G co-existing OFDMA-PON is demonstrated through 20km SSMF with 31dB loss budget. Only one receiver at the OLT and low-speed transceiver at the 2.5G ONUs are required, thereby reducing system complexity and cost.
This letter proposes a novel architecture for next-generation passive optical networks based on the employment of orthogonal frequency-division multiple access. The key new feature of the proposed approach is source-free single-wavelength upstream transmission enabled by carrier suppression, which has been experimentally verified to achieve 10-Gb/s upstream throughput.
We report the first experimental demonstration of 10 Gb/s free-space optical transmission using orthogonal frequency division multiplexing (OFDM). The OFDM system provides superior performance, with a 3 dB improvement in receiver sensitivity over NRZ OOK.
We investigate the impact of off-center optical filtering plus electronic equalization for 10-Gb/s directly-modulated systems. Simulation results show the transmission distance over standard single-mode fiber is increased >6-times (from <25-km to >150-km) without optical dispersion compensation.
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