Microsoft, Facebook Test 400G Across Marea

First 400G Transmission Across 6,600km Trans-Atlantic Marea Cable Using Acacia Communications AC1200 Coherent Module Acacia Communications Press Release December 13, 2018 Achieves Spectral Efficiency of 6.41 b/s/Hz MAYNARD, Mass., (GLOBE NEWSWIRE) -- Acacia Communications (NASDAQ: ACIA), today announced the first 400G single carrier DWDM transmission on the 6,600 km Marea submarine cable between Virginia Beach, [...]