
Vexlum
Developing compact, cost-effective, high-power laser sources at precise wavelengths for quantum computing, atomic clocks, and other advanced technologies.
About
Vexlum specializes in III-V semiconductors, essential for lasers, solar cells, and detectors. Their proprietary VECSEL (Vertical-External-Cavity Surface-Emitting Laser) technology addresses a critical bottleneck in high-tech industries by providing compact, cost-effective, high-power laser sources at precise wavelengths. This enables the scaling up of technologies such as quantum computing and atomic clocks.
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Key facts
- Website
- vexlum.com
- Headquarters
- Tampere, Finland
- Founded
- 2017
- Employees
- 21
- Total funding
- $18M (Seed)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 5 Feb 2026 | Seed | $11M | |
| 13 Mar 2024 | Grant (prize money) | $7M |
Tech stack
Detected on vexlum.com, last scanned 21 Oct 2026. Run your own scan
- Frontend
- Bootstrap
- Analytics
- Google Analytics 4, Google Tag Manager
- SEO
- Yoast SEO
- CMS / Builders
- WordPress
- Email provider
- Microsoft 365
- Cookie consent
- CookieHub
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Frequently asked
What does Vexlum do?
The company is vertically integrated, controlling the process from chip fabrication to final system assembly. Vexlum's technology originated from over 20 years of research at the Optoelectronics Research Centre (ORC) in Tampere, Finland, with a key collaboration with NIST in 2012 leading to the company's spinout in 2017. They are expanding from boutique production to industrial-scale capability to meet demand from the quantum, semiconductor, and space sectors.
Is Vexlum trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Vexlum is 72 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Vexlum raised?
Vexlum has raised a total of $18M in funding. The most recent round on record is Seed.
How many employees does Vexlum have?
Vexlum has approximately 21 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Vexlum


