Financial Data and Key Metrics Changes - Company revenue for Q4 2025 was $440 million, reflecting an 11% quarter-over-quarter growth and a 14% year-over-year growth, meeting the target for sequential growth [3][4] - Full year revenue for 2025 was $1.566 billion, a $130 million or 9% increase compared to 2024 [4][23] - Net profit for Q4 2025 was $80 million, or an 18% net margin, up from 11% in Q1 2025, indicating a value-based growth driven by technology mix enrichment [4][22] - Gross profit for Q4 2025 was $118 million, a 26% increase compared to the prior quarter [22] Business Line Data and Key Metrics Changes - RF infrastructure revenue increased by 75% year-over-year, driven by the rapid adoption of silicon photonics [5] - Silicon germanium and silicon photonics revenues represented 27% of corporate revenues, totaling $421 million, up from $241 million in 2024 [6] - Power Management grew 20% year-over-year, representing 16% of corporate revenues in 2025 [13] - Sensors and displays grew 10% year-over-year, representing 16% of corporate revenue [15] Market Data and Key Metrics Changes - RF mobile represented 23% of corporate revenue in 2025, with a 15% year-over-year decline due to a shift towards higher value optical and RF mix [12] - The company is experiencing strong demand for silicon photonics, with over 70% of total SiPho capacity reserved or in the process of being reserved through 2028 [17] Company Strategy and Development Direction - The company is increasing its CapEx plan for 2026 to accommodate strong customer demand, with a total investment of $920 million aimed at expanding silicon photonics and silicon germanium capacity [9][26] - The updated financial model targets $2.84 billion in annual revenue by 2028, reflecting a significant increase from 2025 [20][29] - The company is focusing on partnerships with lead customers to enhance its technology offerings and manufacturing capabilities [8][19] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in achieving the revised financial model by 2028, citing strong customer demand and partnerships [19][62] - The company acknowledged potential concerns regarding memory shortages in the mobile market but emphasized proactive planning to mitigate risks [66] Other Important Information - The company announced a one-time tax benefit in Q4 2025, resulting in a 2% effective tax rate [22] - A lease extension for the Newport Beach facility was secured, extending the lease until the end of 2030 [81] Q&A Session Summary Question: Clarification on NVIDIA collaboration - The company clarified that it does not ship directly to NVIDIA but through resellers, focusing on output parameters for photonics [32][42] Question: Capacity increase for silicon photonics - The company confirmed that the planned capacity increase includes demand from NVIDIA and partners [34] Question: Concerns about high voltage capabilities for AI servers - The company stated it does not currently have an 800-volt platform on an IC but has higher voltage IC capabilities [39] Question: Timeline for CapEx investments - Management indicated that the majority of the $920 million investment should be online by the third quarter of 2026, with some growth expected earlier [50][60] Question: Expectations for silicon photonics contribution - The company expressed confidence in meeting demand and operational execution for silicon photonics in 2026 and 2027 [56][62]