Key Findings
SILITH Technology, a fabless silicon photonics company based in Singapore, has announced the receipt of its first mass-produced photonic integrated circuit (PIC) wafers from United Microelectronics Corporation’s (UMC) 12-inch fab in Singapore. This achievement represents a critical step towards significantly scaling up next-generation silicon photonics manufacturing capabilities, directly addressing the escalating demand for high-speed AI optical interconnects within AI and hyperscale data center networks.
Technical / Clinical Details
The collaboration between SILITH Technology and UMC combines cutting-edge silicon photonics design with UMC’s established 12-inch wafer manufacturing expertise. UMC’s Singapore fab offers the high yields and economies of scale necessary for the volume production of complex photonic ICs. SILITH’s 1.6T silicon photonics platform is engineered to cover a broad spectrum of applications, from current pluggable optics requirements in data centers to more advanced co-packaged optics (CPO) and even future on-chip optical I/O architectures. This platform is designed to deliver enhanced data transfer rates, reduced power consumption, and increased interconnect density, particularly benefiting the efficiency of demanding AI workloads.
Background & Context
The proliferation of AI and the expansion of hyperscale data centers have revealed the inherent bandwidth and power consumption limitations of traditional electrical interconnects. Silicon photonics, which utilizes light for data transmission at high speeds and lower power, is emerging as a crucial technology to overcome this ‘copper wall.’ The entry of a major foundry like UMC into silicon photonics manufacturing, coupled with partnerships with innovative fabless companies like SILITH, underscores a clear industry-wide shift towards optical-based computing. This trend is in line with significant investments from semiconductor giants and startups, including NVIDIA, Broadcom, and Intel, all accelerating their initiatives in optical technology.
Strategic Significance & Outlook
The receipt of mass-produced wafers by SILITH Technology signals a future where 1.6T and beyond optical interconnects will become central to AI infrastructure. The widespread adoption of this technology promises not only to dramatically improve the performance of AI servers but also to significantly enhance the overall energy efficiency of data centers. Furthermore, the introduction of co-packaged optics is poised to become a new standard in chip design, integrating optical modules directly with CPUs and GPUs for further performance gains and miniaturization. These advancements are expected to have ripple effects across other technological domains, such as autonomous vehicles and advanced sensing systems, driving broader innovation in the photonics ecosystem.
Source: https://www.semiconductor-today.com/news_items/2026/jul/silith-umc-220726.shtml
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