Financial Data and Key Metrics Changes - Fourth quarter revenue was $480.7 million, exceeding the high end of revised guidance, with non-GAAP EPS of $0.88 [16] - Fiscal year 2025 net revenue was $1.65 billion, up 21% from fiscal year 2024 [19] - Non-GAAP gross margin for the fourth quarter was 37.8%, up 260 basis points sequentially and 1,000 basis points year over year [17] - Non-GAAP operating margin for the fourth quarter was 15%, up 420 basis points sequentially and over 2,000 basis points year on year [17] Business Line Data and Key Metrics Changes - Cloud and networking segment revenue for Q4 was $424.1 million, increasing 16% sequentially and 67% year over year [20] - Industrial tech segment revenue was $56.6 million, down 6% sequentially but up 6% year over year [21] - Cloud and networking segment profit was 23.6%, up 360 basis points sequentially and 1,350 basis points year over year [21] Market Data and Key Metrics Changes - The company expects to surpass $600 million in quarterly revenue by June 2026 or earlier, driven by strong demand in cloud and AI applications [6][7] - Cloud revenue is growing over 20% annually, with expectations for continued strength in components and cloud modules [6][37] Company Strategy and Development Direction - The company is focusing on three significant growth areas: cloud modules, optical circuit switching (OCS), and co-packaged optics (CPO) [10] - The company is positioned to capture significant value from the AI infrastructure market, with technologies projected to become multibillion-dollar markets within five years [6] - The company is expanding its manufacturing capacity to meet high demand, particularly in the cloud and networking segment [12] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in sustained growth driven by the rapid adoption of AI, highlighting the effectiveness of their strategy and operational resilience [14] - The company anticipates a breakout year for laser chip sales in 2026, with demand expected to outpace supply [9] - Management noted that the tariff situation is fluid but does not expect material changes to business operations due to tariffs [53][56] Other Important Information - The company invested $59 million in CapEx during Q4, primarily focused on manufacturing capacity to support cloud customers [20] - The company is transitioning from three-inch to four-inch wafers to increase capacity [102] Q&A Session Summary Question: Update on OCS award and revenue trajectory - Management indicated that the OCS revenue is ramping better than expected, with significant revenue anticipated in early 2026 and a more meaningful inflection point in the second half of 2026 [29][30] Question: CPO opportunity and competitive landscape - Management feels confident in maintaining a competitive edge in the CPO market due to unique power levels and reliability of their lasers [32] Question: Contributions to the $600 million revenue target - Management expects continued strength in components, significant contributions from cloud modules, and revenue from OCS to help achieve the target [37] Question: Semiconductor tariffs impact - Management believes their products are exempt from new tariffs and does not expect material impacts on operations [53][56] Question: EML wafer fab capacity and pricing dynamics - Management confirmed they are transitioning to larger wafers to increase capacity and anticipate pricing discussions to become more significant due to limited supply and high demand [102][104] Question: Profitability of OCS product offering - Management stated that OCS will be significantly above corporate margin averages and will be accretive to margins as volume ramps up [110]