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Startup · Switzerland

YQuantum

HQ Villigen, SwitzerlandFounded 20241-10 employeesUpdated

At YQuantum, we develop innovative hardware components to make this possible, paving the way for large-scale quantum computers.

Website

Funding1 round

Equity raised
Undisclosed
Debt, secondaries & grants
~$187K
Latest
~$187KGrant · Nov 10, 2025

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.

Systems8

  • YQ-BT-2GRoom-temperature bias tee for flux control in superconducting quantum computers.
  • YQ-CBT12-1GCryogenic bias-tee array for superconducting qubit control.
  • YQ-CF-20ACold-finger and shielding assembly for quantum-device sample boxes.
  • YQ-CF-20BCold-finger and shielding assembly for quantum-device sample boxes.
  • YQ-HD12LPF-1GFilter array for superconducting qubit flux lines.
  • YQ-IR-110AInfrared filter for microwave signals in quantum-computing systems.
View all 8 systems →

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

People
PersonRole
Johannes HerrmannCo-Founder, CTO

Sources9

Profile2

  1. 1

    Sixth-Domain · Supports Organization · kind

    “{"group": "startups", "id": "bbf9cb3c-3245-4d0b-97a5-45be91ebfd49", "name": "YQuantum"}”
  2. 2

    YQuantum · Supports Organization · description, Organization · name, Organization · website

    “At YQuantum, we develop innovative hardware components to make this possible, paving the way for large-scale quantum computers.”

Systems6

  1. 3

    YQuantum · Supports System

    “**YQ-CF-20B** | Coldfinger & Shielding Set Our cold finger is built to host multiple experiments, accommodating both 8-port and 20-port sample boxes at the same time. This design keeps you flexible and enables efficient, simultaneous experimentation.”
  2. 4

    YQuantum · Supports System

    “**YQ-QP-8A** | 8 RF-Port Sample Box Our compact, well-tested sample box is designed for few-qubit, high-coherence experiments where speed and throughput are critical.”
  3. 5

    YQuantum · Supports System

    “**YQ-CBT12-1G** | DC – 1GHz, 50Ω A high-density solution featuring 12 cryogenic BiasT circuits. Engineered for minimal heat load and exceptional linearity, this array provides the simple transfer function required to maintain high-fidelity qubit control in large-scale superconducting architectures.”
  4. 6

    YQuantum · Supports System

    “**YQ-BT-2G** | 10 kHz – 2 GHz, 50 Ω Our specialized room temperature BiasT is designed to enable high-fidelity two-qubit gates on flux-tunable superconducting quantum computers. This component provides outstanding linearity and superior noise suppression.”
  5. 7

    YQuantum · Supports System

    “**YQ-HD12LPF-1G** | DC – 1300MHz, 50Ω Ultra-compact 12-channel filter array for flux-line filtering in superconducting qubit systems. It combines ultra-high isolation at qubit frequencies with strong suppression at infrared frequencies, protecting qubits from environmental noise and high-energy radiation.”
  6. 8
    CompanyIR-Filter

    YQuantum · Supports System

    “**YQ-IR-110A** | DC – 10GHz, 50Ω This reliable infrared filter protects the coherence of your qubits by blocking high-energy radiation. Our filters are manufactured using a simple, patent-pending process that ensures consistent transmission and reflection parameters across multiple units.”

Funding1

  1. 9

    Octen Business Search · Supports Funding round, Organization · country, Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url, Role

    “funding round: Grant, 2025-11-10, CHF 150,000, lead: Venture Kick”

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