About Quintessent
Quintessent is a Technology company based in Santa Barbara (United States) founded in 2019. Quantum dot-based lasers and photonic integrated circuits are provided. Quintessent has raised $51.59 million across 5 funding rounds from investors including Osage University Partners, M-Ventures and Sierra Ventures. The company has 15 employees. Its chief executive, as recorded, is Alan Liu. Quintessent offers products and services including Optical Connectivity Solutions and Quantum Dot Epitaxial Wafers. Its focus areas include Semiconductors, Photonics, Optoelectronics and Optical Network. Its competitors include Ayar Labs, Avicena and Silicon Bandwidth; 3 of its 3 listed competitors have raised funding.
Company details
Quintessent was founded in 2019 and is based in Santa Barbara, United States. Quantum dot technology is utilized by the company to develop lasers and photonic integrated circuits. These components are applied in optical networking, deep learning systems, and sensing applications. Operations focus on providing solutions that address needs in photonics and related sectors.
- Headquarters Santa Barbara, United States
- Employees 15
- SectorsTechnology
- Email••••••••
- Website quintessent.com
- Social LinkedIn
- Legal Name Quintessent
- Total Equity Funding$51.59M (USD)
in 5 rounds
- Latest Funding Round$40M (USD), Series A
Aug 2026
- InvestorsOsage University Partners
& 11 more
- Employee Count15
Products & Services of Quintessent
Quintessent offers a comprehensive portfolio of products and services, including Optical Connectivity Solutions and Quantum Dot Epitaxial Wafers.
Enables scalable computing and A.I. through optical interconnects
Supports supply chain for AI optical interconnect technologies
Funding Insights of Quintessent
Quintessent has successfully raised a total of $51.59M across 5 strategic funding rounds. The most recent funding activity was a Series A round of $40 million completed in August 2026. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $51.59M
- Total Rounds 5
- Last Round Series A — $40M
- First Round $90,002
(Sep 2019)
- Investors Count 12
All 5 funding rounds of Quintessent with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Aug 2026 | $40M | Series A | – | Cycle Capital | |
| Mar 2024 | $11.5M | Seed | – | Osage University Partners | |
| Feb 2021 | $249,939 | Grant | – | – | |
| May 2020 | $225,000 | Grant | – | – | |
| Sep 2019 | $90,002 | Seed | – | – | – |
12 investors in total: 12 institutional.
Investors in Quintessent
Quintessent has secured backing from 12 investors, including venture fund and institutional investors. Prominent investors backing the company include Osage University Partners, M-Ventures and Sierra Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Early- to growth-stage startups are targeted for venture capital investments. | oup.vc | Bala Cynwyd, United States | ||
Venture capital firm investing in multiple sectors | m-ventures.com | Amsterdam, Netherlands | ||
Early-stage venture capital investments in AI, healthcare, and enterprise technologies. | sierraventures.com | |||
Venture capital fund focused on pre-seed tech startups | foothill.ventures | Los Altos, United States | ||
Late-seed stage startups are invested in by Entrada Ventures. | entradaventures.com | Santa Barbara, United States | ||
| cyclecapital.com | ||||
| linkedin.com | ||||
| sig.com | ||||
| safar.partners | ||||
A government-backed foundation providing seed-stage investments to support small businesses. | 1950 | nsf.gov | Arlington, United States |
Investor details for Quintessent
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People of Quintessent
14 people are tracked at Quintessent (2 in leadership, 5 in board & advisors, 7 in team); the tracked headcount is 15.
| Name | Role | Group |
|---|---|---|
Alan Liu | CEO | Leadership |
Brian Koch | Vice President Of Engineering | Leadership |
John Bowers | Chairman | Board & advisors |
Alex Fang | Board Member | Board & advisors |
Milton Chang | Advisor | Board & advisors |
Chris Cole | Advisor | Board & advisors |
Katharine Schmidtke | Advisor | Board & advisors |
Rudy Riojas | Senior Fabrication Engineer | Team |
Yujie Xia | Photonic Systems Engineer | Team |
Szilard Szoke | Photonics Design Engineer | Team |
Boju Gai | Process Development Engineer | Team |
Bob Nunn | Strategic Advisor | Team |
Alegra Aulie | Test & Validation Manager | Team |
Jared Bauters | Principal Engineer - Silicon Photonics | Team |
Complete people profiles for Quintessent
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Timeline of Quintessent
3 dated milestones of Quintessent across 7 years, from founding to its latest funding, stage changes and deals.
- Founded Quintessent is founded.
- Funding First funding round of $90K.
- Funding Latest funding round, Series A, of $40.0M.
Competitors of Quintessent
Quintessent has 3 listed competitors in our database, 3 of them funded. They include Ayar Labs, Avicena and Silicon Bandwidth.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| ayarlabs.com | 2015 | San Francisco, United States | $371.5M | 126 | Platform solving bandwidth and power bottlenecks by using light to move data | |
| avicena.tech | 2019 | Sunnyvale, United States | $97.7M | MicroLED-based interconnects for ultra-low power high-bandwidth data transfer are provided. | ||
| siliconbandwidth.com | 1999 | San Jose, United States | $33M | Designs and develops high-quality semiconductor and optical components. |
Detailed competitors of Quintessent
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Top companies in Optical & Photonics Technologies
3 companies that operate in the same segment as Quintessent (Optical & Photonics Technologies) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based network management software is provided for infrastructure planning. | 1992 | Hanover, New Hampshire, United States | USD 4.77 B | 8,660 | ||
Fiber lasers are developed and supplied for industrial applications. | 2000 | Vancouver, Washington, United States | USD 203.65 M | USD 261.33 M | 800 | |
Photon-based universal quantum computers are developed for error correction. | 2015 | Palo Alto, California, United States | USD 2.77 B | USD 1.04 M | 672 |
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Frequently Asked Questions about Quintessent
Quintessent was founded in 2019.
Quintessent is headquartered in Santa Barbara, United States. It is registered at Santa Barbara, California, United States.
Alan Liu is the CEO of Quintessent, as recorded in our data.
Quintessent is a funded company, having raised a total of $51.59M across 5 funding rounds to date. The company's 1st funding round was a Seed of $90K, raised on Sep 2019.
Quintessent has 15 employees.
Quintessent was founded in 2019 and is based in Santa Barbara, United States. Quantum dot technology is utilized by the company to develop lasers and photonic integrated circuits. These components are applied in optical networking, deep learning systems, and sensing applications. Operations focus on providing solutions that address needs in photonics and related sectors.
Quintessent's top competitors include Ayar Labs, Avicena and Silicon Bandwidth.
Quintessent offers Optical Connectivity Solutions and Quantum Dot Epitaxial Wafers.
Quintessent has 12 investors. Key investors include Osage University Partners, M-Ventures, Sierra Ventures, Foothill Ventures, and Entrada Ventures.
Quintessent operates through Quintessent.