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Cryogenic Interconnect Solutions

Cryogenic RF Interconnects for Dilution Refrigerators — DC–40 GHz Lines with Low Thermal Conductivity

XGY Cryogenic Interconnect is a solutions designed for cryogenic quantum systems, with DC to 40 GHz, 40 GHz Max Frequency.

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Cryogenic Interconnect Solutions

Core Specifications

Key technical parameters for the Cryogenic Interconnect Solutions.

Temperature Range

10 mK – 300 K

Max Frequency

40 GHz

Non-Magnetic Connectors

SMA / 2.92 mm K, B < 0.1 G

High-Density Assembly

Multi-channel, high-throughput

Materials

Full electromechanical performance

Vacuum

Cryostat-grade vacuum integrity

Solving Cryogenic Interconnect Challenges

Ensuring the stable operation of quantum computing hardware requires overcoming critical challenges including thermal fluctuations, electromagnetic radiation, and magnetic field interference. XGY Tek provides highly customised connectivity solutions to address these issues within dilution refrigerators and cryogenic test environments.

Whether increasing interconnect density, miniaturising connector footprints, or achieving multi-channel integration, our products deliver reliable, future-oriented support for superconducting systems and quantum processors.

Product Range

  • Semi-Rigid Cable Assemblies — Specialty cryogenic cables with comprehensive electromechanical performance for superconducting systems
  • Flexible Cables — Optimised for compact and confined space applications within cryostat stages
  • High-Density Assemblies — Multi-channel assemblies for high-throughput quantum computing systems
  • Hermetic Flanges — High-precision flanges ensuring vacuum integrity in dilution refrigerators
  • Non-Magnetic Connectors — High-performance SMA / 2.92 mm K connectors developed specifically for quantum hardware
  • Multi-pin Feedthroughs — High-density signal feedthroughs for vacuum chambers and cryostat walls

Typical Applications

  • Superconducting Qubit Systems — Low-loss signal routing between room-temperature electronics and qubit chips
  • Dilution Refrigerator Integration — Multi-stage cabling from 300 K to base temperature stages
  • Quantum Error Correction Research — Phase-matched, high-density interconnects for large qubit arrays
  • Cryogenic Semiconductor Characterisation — Precision connectivity for low-temperature device testing

Key Advantages

  • Temp Range Qualified from 10 mK to 300 K
  • Shielding Non-magnetic construction (B < 0.1 G)
  • Density High-density SMP/SMPM multi-channel
  • Loss Ultra-low insertion loss up to 40 GHz

Performance Highlights

  • Frequency DC – 40 GHz
  • Thermal Load Low via NbTi / CuNi / SS
  • Channels Phase-matched arrays
  • Environment Dilution refrigerator

Request a Demo

See the Cryogenic Interconnect Solutions in action. Our engineers provide 1-on-1 consultations for your specific testing needs.

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Product Specifications

Parameter Specification
Temperature Range 10 mK – 300 K
Semi-Rigid Cable Assembly Full electromechanical performance
Flexible Cable Compact / confined space optimised
High-Density Assembly Multi-channel, high-throughput
Hermetic Flanges Cryostat-grade vacuum integrity
Non-Magnetic Connectors SMA / 2.92 mm K, B < 0.1 G
Multi-pin Feedthrough High-density vacuum feedthrough
Max Frequency 40 GHz

* Specifications are subject to change without notice. Contact XGY Tek for full technical datasheet.

Extreme Environment Engineering

Every XGY Tek cryogenic interconnect is validated across the full thermal gradient, from 300 K room-temperature interfaces to 10 mK base stages in dilution refrigerators.

Cryogenic QualifiedNon-Magnetic ConstructionHermetic Vacuum SealingHigh-Density SMP/SMPMCustom Configuration

Technical Resources

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Frequently Asked Questions

What is the Cryogenic Interconnect Solutions used for?

The Cryogenic Interconnect Solutions is part of XGY Tek's Quantum Computing catalogue, supplied to engineering teams worldwide for laboratory, production, and field test workflows. The Core Specifications above list the full performance envelope, and the Key Advantages panel summarises the typical use cases this instrument was engineered for.

How do I get a quote or datasheet for the Cryogenic Interconnect Solutions?

Use our Get a Quote form to share your application, required configuration, and rollout timeline. An XGY Tek engineer based in Adelaide or Sydney will respond the same business day. Where a downloadable datasheet is available it is linked from the hero section above.

Who is XGY Tek and how is the Cryogenic Interconnect Solutions supported?

XGY Tek (XGY Pty Ltd, ABN 70 688 984 590) is an Australian test and measurement company headquartered in Adelaide with a Sydney office. We ship the Cryogenic Interconnect Solutions to engineering teams worldwide, and every XGY instrument ships with a traceable calibration certificate. Post-sales support is handled directly by our applications engineers during AEST/ACST hours — no overseas escalation queues. See About XGY Tek for company details, or Where to Buy for purchasing channels.

Need a custom cryogenic interconnect solution?

XGY Tek engineers work directly with quantum hardware teams to design interconnects for specific dilution refrigerator architectures and qubit system requirements.