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27 February 2015
The global WDM equipment market grew 7 percent in 2014, to reach almost US $9.5 billion (€ 8.4 billion), according to market research firm Dell'Oro Group. The transition from 40 gigabit to 100 gigabit wavelengths undertaken by the main three Chinese operators helped double 100 gigabit global shipments. As a result, 100 gigabit sales accounted for nearly half of the total WDM revenues in 2014.