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Marvell Technology has acquired Polariton Technologies, adding plasmonics-based modulation technology to its portfolio as it targets next-generation optical interconnect speeds. The move is aimed at supporting data center bandwidth scaling to 3.2T and beyond.

The deal highlights how device-level innovation in photonics is becoming critical as AI workloads push infrastructure limits. It also signals continued consolidation in the silicon photonics ecosystem as companies race to meet future connectivity demands.

Scaling optical performance for AI era

The acquisition comes as hyperscale data centers shift toward higher-performance optical interconnects for scale-across and data center interconnect (DCI) applications. While 1.6T connectivity is still rolling out, the industry is already preparing for 3.2T links and beyond.

Polariton’s plasmonics-based modulation technology is designed to address the bottlenecks in bandwidth, power efficiency, and integration. By combining plasmonics with silicon photonics, the approach enables ultra-fast signaling with lower energy per bit and a smaller footprint compared to traditional solutions.

This is particularly relevant for coherent and DCI applications such as ZR and ZR+, where performance and power constraints are tightening.

Strategic addition of technology and talent

“Marvell continues to invest in advanced optical technologies to support the rapid evolution of AI and cloud data center infrastructure,” said Sandeep Bharathi, President, Data Center Group, Marvell. “The addition of Polariton extends our optical roadmap with differentiated modulation technology and a highly specialized team. This investment reflects our commitment to innovation across multiple technology approaches as we continue to build on our leadership in high-speed connectivity.”

Beyond the technology, Polariton brings expertise in plasmonics, silicon photonics, and high-speed optical modulation. Moreover, this strengthens Marvell’s capabilities in integrated photonics and complements its existing DSP and silicon platforms.

Financial terms of the deal were not disclosed, but the acquisition reinforces Marvell’s push toward highly integrated, scalable optical solutions for future data center architectures.

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