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xLight

Palo Alto, US · Founded 2021 · 58 employees on LinkedIn · 5 known investors

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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.

Advanced ManufacturingDeep TechHardwareSemiconductors

Founders & leadership

NKNicholas Kelez
Nicholas KelezFounder

Board

PGPat Gelsinger
Pat GelsingerGeneral Partner at Playground Global (investor/advisor)General Partner at Playground Global
KHKevin Heidrich
Kevin HeidrichBoard director
PBPeter Barrett
Peter BarrettBoard directorGeneral Partner at Playground Global

Investors · 5

Lam Capitallisted by Lam Capital

How we know: Lam Capital's portfolio page · Not right? Tell us

Open Field Capitallisted by Open Field CapitalNew York
Roadster Capitallisted by Roadster CapitalPortland

How we know: Roadster Capital's portfolio page · Not right? Tell us

Morpheus VenturesreportedSherman Oaks · $1M – $10M

How we know: a partner's Signal profile · the VCSheet dataset · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$51.6M disclosed across 2 rounds · 2022–2024

▶$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
Full filing on SEC EDGAR ↗
▶$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
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Related companies · 5

nLight PhotonicsnLIGHT 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.
EnergySavvyCustomer engagement platform (formerly Simple Energy) redefining how utilities engage their customers.
HyperlightcorpHyperLight 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 PhotonicsOpenLight 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.
CorelightCorelight 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 working in the same space as xLight.

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.