Coherent 400G technology will start to ramp this year and account for almost one quarter of all deployed optical transport capacity in 2020. That’s the conclusion of a new report from networking component and equipment market research firm, Cignal AI.

The ‘Optical Applications Report’ report also represents the industry’s first comprehensive analysis measuring the anticipated growth of coherent 400G WDM, according to Andrew Schmitt, lead analyst for Cignal AI.

Despite concerns from component makers, China’s optical hardware market continues to grow, according to Cignal AI, a networking component and equipment market research firm. In fact, optical revenue in China is up 13 per cent for the first half of 2017 compared to the same period in 2016, the firm states in its second quarter Optical Hardware Report.