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    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

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

18 September 2011

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We demonstrate 2688-km multi-span transmission using wavelength-division multiplexing (WDM) of ten 50-GHz spaced 128-Gb/s PDM-QPSK signals, space-division multiplexed (SDM) in a low-crosstalk 76.8-km seven-core fiber, achieving a record net aggregate per-fiber-spectral-efficiency-distance product of 40,320 kmb/s/Hz. OCIS: (060.1660) Coherent communications; (060.5060) Phase modulation; (060.2330) Fiber Optics Communications.

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