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Startup · Switzerland

K2 Photonics

HQ Zürich, SwitzerlandFounded 20231-10 employeesUpdated

K2 Photonics develops next-generation ultrafast lasers for precision sensing.

Website

Funding4 rounds · ~$261K

Equity raised
~$261K
Debt, secondaries & grants
Undisclosed
Latest
UndisclosedGrant · Jan 26, 2026
Cumulative raised$261K
Apr 3, 2024Jan 26, 2026
  • Grant
    Undisclosed
    Jan 26, 2026
  • Pre-Seed
    Led by Founderful
    ~$234K
    Jan 26, 2026
  • Seed
    Undisclosed
    Nov 24, 2025
  • Pre-Seed
    ~$27K
    Apr 3, 2024

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

Systems2

  • K2-1000-miniA compact laser system for instrument integration.
  • K2-ASOPSA dual-comb laser system for optical measurements.

Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.

People
PersonRole
Benjamin WillenbergCo-Founder and CTO
Justinas Pupeikis · LinkedIn ↗Co-Founder and CEO
Lukas Lang · LinkedIn ↗Co-Founder and Head of Hardware
Ursula Keller · LinkedIn ↗Co-Founder and Scientific Advisor

Sources7

Profile2

  1. 1

    K2 Photonics · Supports Organization · description, Organization · name, Organization · website

    “K2 Photonics develops next-generation ultrafast lasers for precision sensing. Unlock the power of optical frequency combs.”
  2. 2

    Sixth-Domain · Supports Organization · kind

    “{"group": "startups", "id": "57e80f88-c43d-484d-b00e-7f974fb68b2a", "name": "K2 Photonics"}”

Systems2

  1. 3

    K2 Photonics · Supports System

    “# K2-1000-mini”
  2. 4

    K2 Photonics · Supports System

    “# K2-ASOPS ## Ideal tool for pump-probe measurements (ASOPS). Low-repetition rate single-cavity dual-comb laser”

Funding3

  1. 5

    PitchBook · Supports Funding round, Funding round · amount, Organization · country, Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · x url

    “26-Jan-2026”
  2. 6

    Crunchbase · Supports Funding round, Organization · country, Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · ownership, Role

    “Pre-Seed”
  3. 7

    Octen Business Search · Supports Funding round, Role

    “funding round: Seed Round, 2025-11-24, lead: Paeonia Industries”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.