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Quintessent raises $40 million in Series A backed by Merck Ventures unit M Ventures

PUBT·08/25/2026 09:04:15
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Quintessent raises $40 million in Series A backed by Merck Ventures unit M Ventures
  • Quintessent raised USD 40 million in an oversubscribed Series A round to scale optical interconnect products for AI data centers.
  • Merck Ventures BV participated as an existing investor alongside other backers in the financing.
  • Santa Barbara-based company develops a single-chip quantum dot DWDM comb laser designed to simplify optical connectivity for AI clusters.
  • Funding targets product maturation, qualification, manufacturing ramp, additional optical components, and an optical engine for AI data-center interconnect modules.


Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Merck Ventures BV published the original content used to generate this news brief on August 25, 2026, and is solely responsible for the information contained therein.