We describe a number of experiments demonstrating and exploring the potential of combing wideband-optical comb sources with space-division multiplexed transmission systems and in particular with homogeneous-single-mode multicore fibers including Pb/s transmission using conventional receiver technology without MIMO processing and longdistance recirculating transmission. We describe experiments using synchronized parallel transmission loops to investigate joint processing of spatial super channels and multi-dimensional modulation before discussing how optical comb technology may combine with SDM fibers to allow comb re-generation across networks to enable high-order modulation with simplified DSP. Overall, these experiments demonstrate a range of scenarios where the combination of optical combs and homogeneous MCFs can be advantageous in future optical communications networks.
B. J. Puttnam, R. S. Luís, G. Rademacher, J. Sakaguchi, Y. Awaji, N. Wada, J. Marciante, B. P. P. Kuo, and S. Radic, "High-capacity transmission with homogeneous multi-core fibers and wideband optical comb sources," Proc. SPIE 10561, Next-Generation Optical Communication: Components, Sub-Systems, and Systems VII, 105610C (Presented at SPIE OPTO: January 30, 2018; Published: 29 January 2018); https://doi.org/10.1117/12.2295673.
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