Vexlum
Finnish VECSEL semiconductor laser maker; primarily civilian/dual-use, weak direct defense relevance.
Vexlum, a spin-off from Tampere University's Optoelectronics Research Centre, develops VECSEL (vertical-external-cavity surface-emitting laser) semiconductor lasers for quantum computing, atomic clocks, medicine, and semiconductor manufacturing. Its only identified government-adjacent relationship is a civilian European Space Agency contract for an adaptive-optics guide-star laser used in satellite communications and Earth observation — no NATO, national-defense-ministry, or military customer has been found. Included here as dual-use-adjacent photonics infrastructure rather than a core defense-tech company.
Overview
- Headquarters
- Tampere, Finland
- Founded
- 2017
- Employees
- 11-50 (~22, LinkedIn)
- Total funding
- €10M (seed, Feb 2026)
- Stage
- Seed
- Status
- active
- Domains
- Website
- vexlum.com
Founders2
Investors0
No linked records yet.
Cap table0
Approximate ownership by holder. Indexed holders link to their records.
| Holder | Instrument | Ownership |
|---|
Contracts0
No linked records yet.
Programs0
No linked records yet.
Frequently asked
- What does Vexlum do?
- Vexlum, a spin-off from Tampere University's Optoelectronics Research Centre, develops VECSEL (vertical-external-cavity surface-emitting laser) semiconductor lasers for quantum computing, atomic clocks, medicine, and semiconductor manufacturing. Its only identified government-adjacent relationship is a civilian European Space Agency contract for an adaptive-optics guide-star laser used in satellite communications and Earth observation — no NATO, national-defense-ministry, or military customer has been found. Included here as dual-use-adjacent photonics infrastructure rather than a core defense-tech company.
- Where is Vexlum headquartered?
- Vexlum is headquartered in Tampere, Finland and was founded in 2017.
- How much funding has Vexlum raised?
- Vexlum has raised €10M (seed, Feb 2026) in disclosed funding.
Sources & citations3
Each claim links to its underlying source. Confidence reflects how directly the source supports the claim.
- 1
Vexlum is a spin-off from Tampere University's Optoelectronics Research Centre (ORC); founded 2017; Jussi-Pekka Penttinen CEO/CTO, Mircea Guina Executive Chairman/CSO
Vexlum: CompanyVerified2026-07-26 - 2
Vexlum raises EUR 10 million to scale semiconductor and laser manufacturing (€6M equity led by Kvanted with Tesi and EIC Fund, €2.4M EIC Accelerator grant, €1.6M Nordea loan)
Vexlum: Vexlum raises EUR 10 million to scale semiconductor and laser manufacturing to meet global demandVerified2026-02-05 - 3
Vexlum to develop a yellow guide star laser for the European Space Agency, a civilian contract to accelerate high-bandwidth satellite communication deployment
Vexlum: Vexlum to develop a yellow guide star laser for the European Space AgencyVerified2025-11-06