Quintessent
Santa Barbara, United States
◆ Total Raised
$40M
◆ Stage
series-a
◆ Location
Santa Barbara, United States
◆ Founded
2019
◆ Team size
11-50
◆ Links
◆ About Quintessent
Develops quantum dot-based DWDM comb lasers for AI optical interconnects to address InP laser supply constraints.
◆ What sets it apart
Its quantum dot laser technology is designed to reduce dependence on constrained InP laser supply while enabling lower-cost, lower-power, scalable AI optical interconnects.
◆ Sectors
◆ Business
Modelhardware
CustomerAI datacenter operators, compute hardware companies, and photonics/optical interconnect customers
◆ Notable
- Raised a $40 million oversubscribed Series A in 2026
- Began sampling its first product for AI optical interconnects in 2026
- Founded on more than 10 years of research at UC Santa Barbara
- Founding member of the CW-WDM MSA
◆ Backing funds on Raise
- Snapdragon Metaverse Fundseries-a
◆ Funding rounds
◆ Explore the market
◆ FAQ
What does Quintessent do?
Develops quantum dot-based DWDM comb lasers for AI optical interconnects to address InP laser supply constraints.
Where is Quintessent based?
Quintessent is based in Santa Barbara, United States, founded in 2019.
How much has Quintessent raised?
Quintessent has raised $40M in tracked funding and is currently at the series-a stage.
Who has invested in Quintessent?
Investors in Quintessent include Osage University Partners, Sierra Ventures, M Ventures and Entrada Ventures.