"I would guess that getting to 50% of the market takes a few years."

I too would think it would take a few years to get to 50% of the market share, unless Poet was able to secure a partner that already has a major market share position. For example, Corning's "Optical Communications" had revenue of $697M in Q1 2015.

http://www.forbes.com/sites/greatspeculations/2015/04/30/cornings-earnings-rise-on-fiber-optics-gorilla-glass-cpm/