So it appears two companies are being referred to in this quote.  The latter will be providing transceivers to the former, incorporating poets OE.  

So who could the top tier service provider be?? One organisation working very hard at network automation is Vodaphone.  They have a very close collaboration with Cisco.  

"top-tier service providers vodaphone believe that transceivers with POET's optical interposer technology can provide a cost-effective and scalable solution to achieve their network automation goals.  Cisco plans to utilise its transceiver design and manufacturing capabilities along with the benefits of POETs integration platform to quickly ramp to high-volume production"