This October news release spells out what can be said about the relationship between Poet and Luxmux:
http://www.poet-technologies.com/news/2016-oct-12-2.html
Does look similar to the relationship described between Luxmux and Avo in June 2016:
http://www.prnewswire.com/news-releases/avo-photonics-develops-sled-based-broadband-near-infrared-source-for-luxmux-300284157.html
Not sure if both Denselight and Avo are working with Luxmux on related but different products, or Denselight replaced Avo based on superior performance, or something else...