30 Gbit/s transmission over 1 km of conventional multi-mode fiber using mode group multiplexing with OOK modulation and direct detection

We demonstrate a 3×10 Gbit/s transmission with BER below 10-11 over 1 km of conventional graded-index multi-mode fiber using OOK modulation and direct detection. Reach and capacity boosts are enabled by selective mode-group multiplexing based on Multi-Plane Light Converters in 3 full mode groups of an OM2 fiber.

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