I think this is the first time I've seen the POET Optical Interposer™ trademark anywhere. They seem to be on a marketing push. From the NR:
"POET Technologies, Inc. (OTCQX: POETF; TSX Venture: PTK) the designer and developer of the POET Optical Interposer™ and Photonic Integrated Circuits (PICs) for the data center and tele-communication markets..."