Detailed Narrative
AI Datacenter and Communications Momentum
Coherent reported strong performance in its data center and communications market, with full year FY25 revenue growing 51% and Q4 revenue up 39% year-over-year. Data center revenue alone increased 61% for the full year and 38% in Q4, reaching a new record. The company saw initial revenue shipments of its new 1.6T Transceivers in Q4, with volumes expected to ramp through CY26. Development of 3.2T Transceivers is progressing, leveraging the 400-gig per lane differential EML technology. Communications revenue also accelerated, growing 42% year-over-year in Q4, driven by robust demand for ZR/ZR+ DCI-focused products, particularly the rapidly ramping 100-gig ZR family.
Strategic Indium Phosphide Capacity Expansion
To meet rising demand for optical networking solutions, Coherent tripled its indium phosphide capacity year-over-year. A significant milestone is the commencement of production in August 2025 at the world's first 6-inch indium phosphide line in Coherent's Sherman, Texas facility. This expansion is expected to provide significant advantages in lower cost and higher volume production, enhancing supply chain resiliency. Indium phosphide is critical for EML and CW lasers used in pluggable transceivers and CPO applications.
Expanded Apple Partnership and US Manufacturing
Coherent announced a new multiyear agreement with Apple for a new generation of VCSEL products for iPhones and iPads. Revenue from this expanded partnership is expected to begin in the second half of calendar year 2026. These VCSELs will be manufactured at the Sherman, Texas facility, supporting its long-term growth and utilization. This agreement highlights the importance of Coherent's extensive U.S. manufacturing footprint, which spans over 20 locations across 13 states, as a key competitive advantage and hedge against geopolitical risk.
Optical Circuit Switch (OCS) Product Ramp
Initial revenue shipments of Coherent's new Optical Circuit Switch (OCS) began in Q4 FY25. This product represents a $2 billion expansion of the company's addressable market. The OCS technology, based on field-proven digital liquid-crystal, offers significant reliability advantages over mechanical MEMS-based solutions. Customer engagements are growing, and revenue is expected to ramp through the remainder of CY25 and contribute more meaningfully in CY26.
Industrial Market Dynamics and Portfolio Optimization
Industrial-related end markets saw a 2% revenue decrease for FY25 and an 8% year-over-year decline in Q4. This was primarily due to a decline in the silicon carbide business, which was a headwind in FY25 but has since stabilized and is not expected to be a headwind in FY26. The company is taking a cautious near-term view on the broad industrial market due to macroeconomic uncertainty🌐 and tariffs. Coherent also announced the agreement to sell its Aerospace and Defense business for $400 million, with proceeds to be used for debt reduction, expecting it to be accretive to EPS and streamline the portfolio.