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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.
We propose reverse concatenated code with inner BCH code and outer LDPC code. BCH decoder is based on MAP-decoding that provides high-accuracy-reliabilities for suboptimum-LDPC-decoder, leading to performance comparable to long-girth-12-LDPC codes, but with lower decoder-complexity.
Novel approach to generate optical quadrature duobinary (QDB) signals is experimentally achieved using single optical delay interferometer, which can simultaneously convert multiple WDM QPSK channels into optical QDB format, enabling better filtering tolerance and high scalability.
We propose a coded polarization-multiplexed iterative polar modulation (PM-IPM) as an enabling coded-modulation scheme for beyond 400 Gb/s serial optical transmission. We demonstrate that the proposed scheme can achieve 400 Gb/s optical transmission over 2250 km (for M = 3D16).
We designed and built a novel all-optical re-timing, re-amplifying, and re-shaping (3R) regeneration system based on terahertz optical asymmetric demultiplexers (TOADs) developed in our laboratory. The system is capable of parallel processing multiple wavelengths, a feature which will significantly improve the scalability of current wavelength division multiplexing (WDM) networks. Performance against...
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