Networking component and equipment market research company, Cignal AI has updated its growth forecast for the coherent 400G WDM market.

Issued quarterly, the recent Optical Hardware Applications report covers the first quarter of 2018 and includes market share and forecasts for revenue and port shipments for optical equipment designed to meet the needs of specific applications: 100G+ coherent, compact modular and advanced packet-OTN switching hardware.

According to the March 2018 Quarterly Market Update by Lightcounting, 2017 was a record year for revenues in the optical components industry.

Aggregate 2017 revenues of public optical components, said the specialist market research firm, totalled $8.266 billion for 2017, 8 per cent higher than reported for 2016 ($7.639 billion). The transceiver-only figure provided by the survey data is $5.482 billion for 2017, which is half-a point higher than 2016 ($5.451 billion). For transceivers alone, said the company, 2017 was a still a record, but by an insignificant amount.