And coincidentally Vivek stated this:

[7:53] So the markets that… leading market research companies like Lightcounting are determining is called “400 Gigabit”, where our remote laser source Lightbar can be used, is going from $0.5 billion of market size, the addressable market that we will play in, next year, to more than $3 billion in 2025, over 4 years. And the co-packaged optics that I talked about will start in say 2022..2023 timeframe, and will grow to about $4 billion market size by 2028. So tremendous opportunity for us to play in the market here.

https://agoracom.com/ir/POETTechnologies/forums/discussion/topics/750909-lightbar-transcript/messages/2292520