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Cryogenic quantum electronics

Explore the companies, startups, research and technical approaches building electronics for quantum systems at very low temperatures. See where work is moving across control, readout, amplification and circuit integration.

Updated 26 October 2026Based on 4,179 documents
190
Organizations active (24 mo)
-15% activity YoY
6
Startups (young or venture-backed)
33
Funding rounds (24 mo)
$54B disclosed
239
Publications in 2025
-4% vs 2024

Cryogenic quantum electronics in 2026: overview

Cryogenic quantum electronics places control, readout, amplification and signal-routing circuits close to quantum processors, where low temperatures help preserve fragile quantum states and reduce wiring between room-temperature instruments and qubits. The engineering challenge is to add useful functionality without injecting heat, noise or electrical interference. Progress depends on accurate low-temperature device models, low-power operation, dense interconnects and circuits that can be manufactured and integrated reliably.

Recent work points to a move from isolated components toward integrated cryogenic signal chains. In October 2026, Toyobo reported a thermally insulated transmission-line design for superconducting quantum computers, targeting denser microwave wiring. In September 2026, Aalto University and VTT Technical Research Center of Finland investigated a phase-sensitive SQUID-based Josephson cascade amplifier with nearly noiseless operation. Together, these directions address persistent constraints: heat conducted through cabling and measurement noise at the processor interface. Cryo-CMOS remains central, while superconducting switches and amplifiers draw attention where loss, bandwidth and thermal load set system limits.

  • 1Closer to the qubit: In-vacuum cryoelectronics and integrated control circuits point toward moving more electronics nearer to quantum processors, where wiring and thermal load become system-level constraints.
  • 2Superconducting momentum: Superconducting electronics is gaining activity, with low-loss switches and Josephson amplifiers addressing circuit reconfiguration and signal quality at cryogenic temperatures.
  • 3Models shape integration: Accurate cryogenic device models remain essential to designing CMOS circuits that behave predictably across temperature, power and process variation.
Summary generated from Linknovate data on 26 October 2026.

Top organizations working on cryogenic quantum electronics

Ranked by Linknovate activity score · last 24 months

The activity score adds up the relevance of every patent, publication, grant and news item linking an organization to cryogenic quantum electronics. Showing 7 of 190 organizations.

#OrganizationApproachSignals (24 mo)MomentumWhy it matters
1
IBM Corporate · United States
Cryo-CMOS control PAT 1 · PUB 3
NEWS 99
+10% IBM researchers have designed cryogenic CMOS RF arbitrary waveform generators and a 14 nm CMOS phase-locked loop for controlling quantum bits.
2
Massachusetts Institute of Technology Research · United States
Cryo-CMOS control PUB 12 · NEWS 70 -51% MIT Lincoln Laboratory researchers, part of MIT, demonstrated trapping and manipulating ions using in-vacuum cryoelectronics, an approach to locating control electronics closer to quantum processors.
3
Technical University of Delft Research · Netherlands
Cryo-CMOS control PAT 1 · PUB 15
GRANTS 2 · NEWS 9
-20% TU Delft researchers develop cryo-CMOS circuits and models for quantum systems, including spin and color-center qubit controllers and low-power readout for superconducting photon detectors.
4
Globalfoundries Corporate · Germany
Cryo-CMOS control PUB 4 · NEWS 22 +60% Recently, GlobalFoundries finalized a $375 million CHIPS Act research award for its quantum technology business. Its cryogenic work includes evaluating FDSOI CMOS transistor model libraries for quantum-control circuits.
5
Quantum Motion Startup · United Kingdom
Cryo-CMOS control PUB 5 · NEWS 10 -50% Quantum Motion works on silicon quantum-computing hardware and cryogenic CMOS, including deep-cryogenic temperature sensing and methods for characterizing CMOS devices at low temperatures.
6 Cryo-CMOS control PUB 1 · NEWS 37 +222% MIT Lincoln Laboratory researchers demonstrated in-vacuum cryoelectronics for trapping and manipulating ions, placing electronics close to the quantum system.
7 Cryogenic switching and multiplexing PUB 4 · NEWS 32 +25% Recently, NIST researchers reported a persistent-current-biased, current-actuated superconducting switch for dynamically reconfiguring circuits in quantum processors and cryogenic detectors.
8
··Hidden organizationCompany
ApproachPAT 00 · PUB 00
GRANTS 0 · NEWS 00
+00%Available to registered users.
9
··Hidden organizationCompany
ApproachPAT 00 · PUB 00
GRANTS 0 · NEWS 00
+00%Available to registered users.
10
··Hidden organizationCompany
ApproachPAT 00 · PUB 00
GRANTS 0 · NEWS 00
+00%Available to registered users.
+183 more organizations
Including 6 startups and 161 universities & research centers. Filter by country, approach and maturity.

Startups to watch and leading research centers

Startups to watch 6 total

Young and venture-backed companies with the highest activity score.
  • Quantum MotionUnited KingdomQuantum Motion works on silicon quantum-computing hardware and cryogenic CMOS, including deep-cryogenic temperature sensing and methods for characterizing CMOS devices at low temperatures.
  • Equal1IrelandEqual1 develops silicon quantum-computing systems and cryogenic CMOS circuitry, including a low-power ring oscillator designed for quantum applications.
  • SeeQC Inc.United StatesSeeQC develops superconducting single-flux-quantum electronics for quantum computing, including circuits designed to operate at millikelvin temperatures and control quantum processors.
  • ··
    Hidden startupCountryAvailable to registered users, with funding and founding year.
  • ··
    Hidden startupCountryAvailable to registered users, with funding and founding year.
See all 6 startups, with funding and founding year

Leading research institutions 161 total

Ranked by publications, patents, grants and news in the last 24 months.
  • Massachusetts Institute of TechnologyUnited StatesMIT Lincoln Laboratory researchers, part of MIT, demonstrated trapping and manipulating ions using in-vacuum cryoelectronics, an approach to locating control electronics closer to quantum processors.
  • Technical University of DelftNetherlandsTU Delft researchers develop cryo-CMOS circuits and models for quantum systems, including spin and color-center qubit controllers and low-power readout for superconducting photon detectors.
  • U.S. National Institute of Standards and TechnologyUnited StatesRecently, NIST researchers reported a persistent-current-biased, current-actuated superconducting switch for dynamically reconfiguring circuits in quantum processors and cryogenic detectors.
  • ··
    Hidden research institutionCountryAvailable to registered users, with their key researchers.
  • ··
    Hidden research institutionCountryAvailable to registered users, with their key researchers.
See all research groups and their key researchers

Where cryogenic quantum electronics innovation happens

United States
61.4%
United Kingdom
19.7%
Germany
17.8%
China
13.7%
Japan
12.8%
Switzerland
9.5%
France
9.5%
India
8.0%
Netherlands
7.9%
Canada
7.0%
Rest of worldEurope

Share of documents with at least one organization from each country.

Open the interactive map with all 190 organizations

Main technical approaches

Last 24 months
ApproachWhat it isDocumentsLeading organizations
Cryo-CMOS controlCMOS circuits perform qubit control and readout near the cold stage, reducing wiring but adding heat and requiring accurate low-temperature models. 233
IBM, Globalfoundries, Quantum Motion
Superconducting electronicsSuperconducting logic and switches offer low-loss operation at deep cryogenic temperatures, but fabrication, integration and control complexity remain trade-offs. 121
Brookhaven National Laboratory, Princeton University, NY CREATES
Cryogenic RF amplificationCryogenic RF amplifiers strengthen weak quantum signals close to the processor, but must balance added noise, power dissipation and bandwidth. 99
National Tsing Hua University, AmpliTech Group Inc., Amplitech Group
Cryogenic switching and multiplexingSwitching and multiplexing route signals among devices to reduce wiring, but circuit complexity and signal loss can limit performance. 14
Purdue University, Menlo Microsystems, University of Oxford

Funding and investment

$54B
Disclosed private funding, 33 rounds in the last 24 months
$201.3M
Public grant funding since 2020, across 159 grants
6
Startups active in the last 24 months

Recent funding rounds

Jul 2026
Diraq · National Reconstruction Fund
$20MEarly Vc
Mar 2026
Globalfoundries Germany
$1.2BProject, Real State, Infrastructure Finance
Month 20XX
Hidden organization Country · investors
$00MSeries X
Month 20XX
Hidden organization Country · investors
$00MSeries X
See all 30 rounds, with investors and amounts

Funding data records $201.3 million across 159 grants since 2020, alongside $54.0 billion across 33 funding rounds. These totals are broad signals of activity and may include funding for larger quantum or semiconductor programs.

Patent landscape

Top patent holders · last 24 months
TNO
4
Dell
4
1Qb Information Technologies Inc.
2
Hitachi Ltd.
1
IBM
1
See every patent holder and their full portfolio

Recent developments

Latest news, duplicates removed
Get alerts for new cryogenic quantum electronics developments

Frequently asked questions about cryogenic quantum electronics

What companies are working on cryogenic quantum electronics?

IBM, Globalfoundries, Quantum Motion, Equal1 and SeeQC are among the companies working on cryogenic quantum electronics. IBM and Globalfoundries focus on cryo-CMOS capabilities, while Quantum Motion and Equal1 pair silicon quantum-computing hardware with cryogenic CMOS. SeeQC develops superconducting single-flux-quantum electronics. Research groups such as MIT and TU Delft are also active, so the field spans chip companies, startups and laboratories.

Which cryogenic quantum electronics startups are active in 2026?

Quantum Motion, Equal1 and SeeQC are listed as cryogenic quantum electronics startups, with distinct technical approaches. Quantum Motion and Equal1 develop silicon quantum systems and cryo-CMOS; SeeQC focuses on superconducting single-flux-quantum circuits. The available information supports comparing their architectures and integration focus, rather than ranking them as objectively most promising.

Which universities and research centers lead cryogenic quantum electronics research?

MIT, TU Delft and the U.S. National Institute of Standards and Technology are prominent research organizations in this field. MIT researchers demonstrated trapping and manipulating ions using in-vacuum cryoelectronics; TU Delft works on cryo-CMOS circuits and models; and NIST researchers reported a superconducting switch for reconfiguring circuits. Other active groups include EPFL, Jülich Research Center and Fermi National Accelerator Laboratory.

How much funding has cryogenic quantum electronics received?

Funding data records $201.3 million across 159 grants since 2020, and $54.0 billion across 33 funding rounds. The totals are broad indicators associated with the field and can include support for wider quantum or semiconductor programs, rather than funding exclusively for cryogenic electronics. Individual rounds include funding for companies such as Diraq and Equal1.

What were the latest cryogenic quantum electronics funding rounds?

Diraq reported a $20 million early-VC round in July 2026, and Equal1 reported a $60 million funding round in January 2026. Diraq's round lists the National Reconstruction Fund as an investor. Equal1's listed investors include Ireland Strategic Investment Fund, Atlantic Bridge, Matterwave Ventures and Enterprise Ireland.

Who holds the most cryogenic quantum electronics patents?

TNO and Dell lead the listed patent holders, with 4 patents each; 1Qb Information Technologies Inc. has 2. Other listed holders include Hitachi Ltd., IBM, the French Atomic Energy Commission, Technical University of Delft and Keycom Corporation. These counts identify named holders in the patent data, while the broader field has 27 patents in the 24-month window.

Is cryogenic quantum electronics patent activity growing?

The data records 27 patents in the 24-month window, but patent activity declined in the latest 12-month comparison with the previous 12 months. Publications were comparatively steadier over that comparison. This contrast suggests that recent technical work is still producing research output even as the patenting signal has weakened; the patent count alone does not establish whether commercial development has slowed.

What are the main approaches in cryogenic quantum electronics and how do they differ?

The main approaches are cryo-CMOS control, superconducting electronics, cryogenic RF amplification, and cryogenic switching and multiplexing. Cryo-CMOS brings familiar semiconductor circuits closer to the processor but must manage heat and low-temperature model accuracy. Superconducting circuits aim for low-loss operation. Amplifiers improve weak signals, while switches and multiplexers route them; each adds integration and performance trade-offs.

What are the applications of cryogenic quantum electronics?

Quantum computing is the leading application, with 1,231 associated documents; quantum sensing has 162, quantum communications has 117, and space and scientific instrumentation has 37. Cryogenic electronics supports control, readout and signal routing in these systems. The figures indicate activity across several application areas, although quantum computing is the most prominent in the available application data.

Go beyond the top 7

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