Series B · Hardware

Polaris Electro-Optics raises $50m Series B for production

Walden Catalyst Ventures led the round as Polaris prepares FenGlass products for a 2027 launch.

Socratic Partners, Cambium Capital, Knollwood and Hudson River Trading joined as new investors. Returning backers include Koch Disruptive Technologies, M Ventures, Rhapsody Venture Partners, Buff Gold Ventures and Blue Sky Capital.

The company plans product tapeouts and qualification, engineering hires at both sites, a broader portfolio and volume scaling.

Polaris reports independently demonstrated 400 Gbps-per-lane performance, completed reliability testing and validated solder-reflow compatibility. Those engineering results precede the planned first commercial product launch in 2027.

Use of funds

Bring FenGlass electro-optic modulator platform to production

Expand product portfolio and scale volume

Fund product tapeouts and qualification

Hire engineering staff at both company sites

Funding history

Series B · This round$50M

Sources

  1. Polaris Electro-Optics Raises $50M in New Fundingfinsmes.com · Sep 16, 2026
  2. polariseo.com