Fully integrated 2xFR4 photonic ASIC for 800G interconnect

Fully integrated 2xFR4 photonic ASIC for 800G interconnect

Business news |
By Nick Flaherty

Photonics joint venture OpenLight is sampling a fully integrated 2x FR4 Photonic Application Specific Integrated Circuit (2xFR4 PASIC) for 800G interconnect.

The 2xFR4 PASIC reference design is a heterogeneous 800G photonic integrated circuit (PIC) aimed at datacentre and AI cluster connections using Coarse Wavelength Division Multiplexing (CWDM). It has been built by Tower Semiconductor using OpenLight’s process development kit (PDK).

The integration of 16 lasers and electro-absorption modulators onto a single chip reduces power consumption, simplify product development and reduces costs in critical computing environments by eliminating the need for assembly steps with disparate parts and complex back end manufacturing processes. This results in simplified supply chain logistics and straightforward manufacturing processes that drastically reduce power consumption and overall costs compared to other solutions. 

“With our revolutionary integration of lasers and electro-absorption modulators, 2xFR4 PASIC epitomizes our dedication to simplifying complexity, reducing costs, and setting new standards in efficiency,” said Dr. Adam Carter, CEO of OpenLight who is presenting at the European Conference on Optical Communications (ECOC) in Glasgow this week and is also the subject of an upcoming CEO interview. “We’re providing our customers with a validated reference design that not only accelerates their time to market but also empowers them to take control of their destiny in the supply chain.” 

“We are excited to be the manufacturing partner for OpenLight and look forward to this cutting-edge, validated reference design accelerating our mutual customer’s product development with tested samples and ready design files saving substantial time and cost,” said Russell Ellwanger, CEO of Tower Semiconductor. “This fully integrated solution incorporating lasers and electro-absorption modulators is a testament to our strong partnership and joint commitment to investing toward the adoption of silicon photonic technology in high volume manufacturing.”  

Engineers can use the 2xFR4 PASIC validated reference design to build products without having to design, engineer, and test their own solutions. 

OpenLight offers tested samples, comprehensive test results, and design files, potentially saving customers up to 18 months of engineering work compared to designing from scratch.


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