Page  10 Post-deadline 3-Multicore, Multimode  WDM/SDM Transmission of 10 x 128-Gb/s PDM-QPSK over 2688-km 7-Core Fiber with a per-Fiber Net Aggregate Spectral-Efficiency Distance Product of 40,320 km*b/s/Hz –Bell Labs, Alcatel-Lucent, Holmdel, NJ, USA –OFS Labs, NJ, USA  Coherent 1200-km 6 x 6 MIMO Mode-Multiplexed Transmission over 3-core Microstructured Fiber  Bell Laboratories, Alcatel-Lucent, Holmdel, NJ, USA.
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