https://www.globenewswire.com/news-release/2020/02/27/1992259/0/en/Applied-Optoelectronics-Reports-Fourth-Quarter-and-Full-Year-2019-Results.html

“We are pleased by the customer interest we are seeing for our 400G products and are delighted to announce that we recently secured our first 400G design win with a Tier 1 network equipment manufacturer. Looking ahead, while we expect a continued soft cable TV environment, coupled with typical seasonal patterns and the effects of the coronavirus, to impact our near-term results, we expect this to be partially offset by growth in our datacenter and telecom segments driven by datacenter upgrades and 5G related sales.”