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SEEQC

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From Wikipedia, the free encyclopedia

SEEQC (pronounced "seek"[1]) is an American quantum computing company developing digital quantum computing systems based on superconducting integrated circuits[2][3]. The company specializes in combining quantum processors with cryogenic digital control electronics. Headquartered in Westchester New York[4], SEEQC has partnered with NVIDIA[5], IBM[6], Booz Allen Ventures[7], and the United Kingdom's Quantum Computing Centre[8].

History

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SEEQC was established in 2018 as a spinout from Hypres[9][10], a superconducting electronics company known for developing rapid single flux quantum (RSFQ) digital circuits and superconducting integrated circuit fabrication technologies[11].

SEEQC was founded by John Levy and Oleg Mukhanov to commercialize a new architecture integrating superconducting digital electronics directly with quantum processors[12]. Unlike conventional quantum computing systems that rely heavily on room-temperature electronics connected through extensive cables[13], SEEQC's approach moves portions of the control stack into cryogenic environments alongside quantum processors[14][15][16].

The company has raised venture financing from investors including Merck's corporate venture arm, M Ventures[17][18], along with other institutional investors[19].

Technology

[edit]

A distinguishing feature of SEEQC's architecture involves Single Flux Quantum (SFQ) digital logic that operates at cryogenic temperatures. [20][21]

In March 2026, Nature Electronics validated SEEQC's research by publishing a peer-reviewed demonstration of an integrated quantum processor unit combining superconducting qubits with Single Flux Quantum (SFQ) digital control electronics on the same millikelvin stage[22]. The study demonstrated single-qubit gate fidelities exceeding 99%, with results reaching 99%, while using digital multiplexing to reduce the number of control lines required as quantum computers scale[23].

"Imagine for a moment we were 10 or 15 years ago with GPUs, and somebody asked the question, 'What's the energy requirement going to be to run a scaled, GPU-based data center?' What's that going to look like, and is that an issue?" SEEQC CEO John Levy told The Washington Post[24]. "That's why SEEQC is scalable, energy-efficient quantum computing. Now we're at a point where energy, for the first time, is gaining computing power. And we're seeing that play out dramatically. Look at all the power infrastructure and the data center infrastructure that's needed to make AI work at scale right now."

References

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  1. ↑ Heim, Anna (January 14, 2025). "With $30M in new funding, SEEQC thinks chips are key to building useful quantum computing". TechCrunch. Retrieved August 2, 2026.
  2. ↑ Padavic-Callaghan, Karmela (2026-02-27). "Could a niche 80s technology be the key to better quantum computers? | New Scientist". New Scientist. Retrieved 2026-08-01.
  3. ↑ "Quantum computer startup SEEQC unveils digital chip that operates at super cold temp". Reuters. Archived from the original on 2024-07-01. Retrieved 2026-08-03.
  4. ↑ "Quantum Leap | Alumni". Harvard Business School. 2024-06-01. Retrieved 2026-08-01.
  5. ↑ Ortiz, Katherine (Tangalakis-Lippert). "The 4 biggest announcements to come out of Nvidia's first quantum day at GTC". Business Insider. Retrieved 2026-08-01.
  6. ↑ Lin, Belle; Bousquette, Isabelle (2025-06-10). "IBM Has a Roadmap to a 'Fault-Tolerant' Quantum Computer by 2029". Wall Street Journal. ISSN 0099-9660. Retrieved 2026-08-01.
  7. ↑ Writer, Staff (2025-09-21). "Booz Allen, SEEQC Expand Partnership to Advance Quantum Computing | WashingtonExec". Retrieved 2026-08-01.
  8. ↑ say, Matthew Gooding Have your (2026-07-29). "UK National Quantum Computing Centre gets novel cross-qubit system from SEEQC". www.datacenterdynamics.com. Retrieved 2026-08-01.
  9. ↑ "Quantum Leap | Alumni". Harvard Business School. 2024-06-01. Retrieved 2026-08-01.
  10. ↑ "Firm | SBIR". www.sbir.gov. Retrieved 2026-08-01.
  11. ↑ "Quantum computer startup SEEQC unveils digital chip that operates at super cold temp". Reuters. Archived from the original on 2024-07-01. Retrieved 2026-08-03.
  12. ↑ O'Brien, Chris (2021-04-27). "How Merck works with Seeqc to cut through quantum computing hype". VentureBeat. Archived from the original on 2025-07-23. Retrieved 2026-08-03.
  13. ↑ "Quantum computers the size of your fingernail are being built in Westchester, NY". 2025-12-29. Retrieved 2026-08-01.
  14. ↑ "Quantum computer startup SEEQC unveils digital chip that operates at super cold temp". Reuters. Archived from the original on 2024-07-01. Retrieved 2026-08-03.
  15. ↑ "Quantum computers the size of your fingernail are being built in Westchester, NY". 2025-12-29. Retrieved 2026-08-01.
  16. ↑ O'Brien, Chris (2021-04-27). "How Merck works with Seeqc to cut through quantum computing hype". VentureBeat. Archived from the original on 2025-07-23. Retrieved 2026-08-03.
  17. ↑ Castellanos, Sara (2020-04-09). "Merck Venture Arm Invests in Quantum Computing Startup Seeqc". Wall Street Journal. ISSN 0099-9660. Retrieved 2026-08-01.
  18. ↑ O'Brien, Chris (2021-04-27). "How Merck works with Seeqc to cut through quantum computing hype". VentureBeat. Archived from the original on 2025-07-23. Retrieved 2026-08-03.
  19. ↑ Lardinois, Frederic (2020-04-09). "Seeqc raises $5M to help make quantum computing commercially viable". TechCrunch. Retrieved 2026-08-03.
  20. ↑ Chakraborty, Srabanti (2025-12-02). "SEEQC partners with ITRI to make SFQ control chips". Engineering.com. Retrieved 2026-08-01.
  21. ↑ "Quantum computer startup SEEQC unveils digital chip that operates at super cold temp". Reuters. Archived from the original on 2024-07-01. Retrieved 2026-08-03.
  22. ↑ "Untangling the challenges of quantum computing". Nature Electronics. 9 (3): 237–237. 2026-03. doi:10.1038/s41928-026-01607-2. ISSN 2520-1131. {{cite journal}}: Check date values in: |date= (help)
  23. ↑ "Untangling the challenges of quantum computing". Nature Electronics. 9 (3): 237–237. 2026-03. doi:10.1038/s41928-026-01607-2. ISSN 2520-1131. {{cite journal}}: Check date values in: |date= (help)
  24. ↑ Guggenheim, Benjamin (2026-06-23). "AI & Tech Brief: America's quantum industrial policy". The Washington Post. ISSN 0190-8286. Retrieved 2026-08-01.
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