Polaris Electro-Optics raises $50 million in Series B with Merck Ventures participation

By Public Technologies
  • Polaris Electro-Optics raised USD 50 million in a Series B led by Walden Catalyst Ventures, with Merck Ventures BV participating.
  • Company develops FenGlass electro-optic modulators integrated onto silicon photonics wafers to boost bandwidth and cut power in AI data-center interconnects.
  • Funding targets production scale-up, product tapeouts, qualification, and hiring as Polaris moves toward large-scale commercial deployment.
  • Polaris reported independently verified 400 Gbps-per-lane modulation, completed Telcordia reliability testing, and validated standard solder reflow compatibility.
  • First product launch is targeted for 2027, spanning pluggable modules and near- or co-packaged optics for hyperscalers and cloud providers.


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