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Photon Queue

Champaign, United States

seed$4M raisedFreshly fundeddeeptechquantum computingquantum hardware

Total Raised

$4M

Stage

seed

Location

Champaign, United States

Founded

2024

Team size

1-10

Links

About Photon Queue

Quantum technology company building quantum storage and quantum computing systems based on free-space quantum memories that operate at room temperature.

What sets it apart

Photon Queue’s quantum memory devices operate at room temperature using standard power and store photons directly in free-space optical loops, avoiding the cryogenics, vacuum systems, and complex transduction required by other approaches.

Sectors

deeptechquantum computingquantum hardwarequantum technologyquantum storage

Business

Modelhardware

CustomerQuantum computing firms, quantum networking developers, national laboratories, and research institutions working on photonic, trapped-ion, or neutral-atom quantum systems

Notable

  • Raised $4 million in an oversubscribed seed round led by Playground Global (July 2026)
  • Deployed first commercial systems at Sandia National Laboratories and the University of Maryland
  • CEO Nathan Arnold won the pitch competition at Q2B24 in Silicon Valley
  • Selected for the 9th cohort of the U.S. Department of Energy’s Lab-Embedded Entrepreneurship Program (July 2025)
  • Joined the Chicago Quantum Exchange as a corporate partner

Backing funds on Raise

Funding rounds

seed$4M

21 Jul 2026

Led by Playground Global

Source ↗

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FAQ

What does Photon Queue do?

Quantum technology company building quantum storage and quantum computing systems based on free-space quantum memories that operate at room temperature.

Where is Photon Queue based?

Photon Queue is based in Champaign, United States, founded in 2024.

How much has Photon Queue raised?

Photon Queue has raised $4M in tracked funding and is currently at the seed stage.

Who has invested in Photon Queue?

Investors in Photon Queue include Playground Global and Duality Accelerator.