Quintessent (Series A)
Funding Details
Awarder
SemiNews
Date Award
October 13, 2026
Vertical
Technology
Funding Amount
$40,000,000
Company Info
Traction
Quintessent has started customer sampling of its single-chip quantum dot-based DWDM comb laser, currently available as an evaluation kit.
Founders
Alan Liu
Market
AI Infrastructure
Location
Santa Barbara, California, United States
Coinvestors
Cycle Capital, Goldman Sachs XIG-Industry Ventures, Hina Liberty Capital, Susquehanna International Group, InterVest, Safar Partners, Ciena, Foothill Ventures, M Ventures, Osage University Partners, Sierra Ventures
Company Description

Quintessent is simplifying the optical infrastructure powering the AI era to enable the next generation of resilient and scalable AI connectivity. We are converging innovations in materials science, process and manufacturing, device and system design to build products that slash architectural complexity, reduce total cost of ownership, and improve system reliability.

Links