xLight
Palo Alto, US · Founded 2021 · 58 employees on LinkedIn · 5 known investors
Find your way into xLight
xLight develops free-electron laser (FEL) technology and advanced accelerator systems. The company builds x-ray science facilities and instrumentation for ultrafast science and research applications.
Founders & leadership
NK

Nicholas KelezinChief Executive Officer and Chief Technology Officer
Board
PG

Pat GelsingerinGeneral Partner at Playground Global (investor/advisor)General Partner at Playground Global
KH

Kevin HeidrichBoard director
PB

Investors · 5
Reported raises · per SEC filings
Form D private placements$51.6M disclosed across 2 rounds · 2022–2024
▶$40.6MraisedAug 2025 · 14 investors · Other TechnologyRule 506(b)
▶$40.6MraisedAug 2025 · 14 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Kevin HeidrichDirector
- Pat GelsingerDirector
- Nicholas KelezExecutive Officer, Director
- Peter BarrettDirector
- Offering amount
- $40.6M
- Amount sold
- $40.6M
- First sale
- Jun 2024
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$11MraisedAug 2025 · 11 investors · Other TechnologyRule 506(b)
▶$11MraisedAug 2025 · 11 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Nicholas KelezExecutive Officer, Director
- Kevin HeidrichDirector
- Peter BarrettDirector
- Pat GelsingerDirector
- Offering amount
- $11M
- Amount sold
- $11M
- First sale
- Dec 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 5
by search overlapnLight Photonics24 shared keywordsnLIGHT designs and manufactures high-power semiconductor lasers for defense systems, directed energy applications, and advanced manufacturing. The company provides vertically integrated laser solutions from semiconductor chips to complete systems.
EnergySavvy22 shared keywordsCustomer engagement platform (formerly Simple Energy) redefining how utilities engage their customers.
Hyperlightcorp20 shared keywordsHyperLight develops thin-film lithium niobate (TFLN) photonic integrated circuits for high-bandwidth, energy-efficient optical applications in data centers, telecommunications, quantum computing, and AI systems. The company designs, manufactures, and tests TFLN chiplets at scale using semiconductor-compatible processes.
OpenLight Photonics16 shared keywordsOpenLight Photonics develops photonic integrated circuits and systems for data center, telecommunications, and sensing applications. The company serves enterprises and infrastructure providers requiring high-speed optical connectivity and signal processing.
Corelight14 shared keywordsCorelight provides network detection and response (NDR) software that uses agentic triage to automatically consolidate security alerts into entity-centric cases with evidence-backed investigation summaries. The platform combines network telemetry with AI-driven investigative workflows to help security teams reduce mean time to respond (MTTR) and close cases faster.
Companies competing with xLight for the same Google search keywords, organic and paid, via search-intersection analysis.
Frequently asked questions
- What does xLight do?
- xLight develops free-electron laser (FEL) technology and advanced accelerator systems. The company builds x-ray science facilities and instrumentation for ultrafast science and research applications.
- Who are xLight's investors?
- xLight's investors include Playground Global, Lam Capital, Open Field Capital, Roadster Capital, Morpheus Ventures.
- How much funding has xLight raised?
- xLight has disclosed $51.6M raised across 2 rounds.
- Where is xLight headquartered?
- xLight is headquartered in Palo Alto, US.






