Coherent: Photonic Integrated Circuit-Based Transceivers IDTechEx Technology Analyst James Falkiner recently attended SPIE Photonics West, where photonics company, Coherent, heavily sponsored the event. Coherent (formerly II-VI) acquired one of the world's largest pluggable transceiver firms Finisar, and continues to have a strong market share to this day. Coherent: Photonic Integrated Circuit-Based Transceivers