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Enabling Scalable Quantum Hardware from Control Electronics to the Cryostat

Mini-Circuits is a trusted RF and microwave partner for quantum computing research and development, supporting customers across the full quantum hardware stack. We have successfully collaborated with teams working in superconducting, trapped ion, and other qubit modalities to deliver specialized microwave components spanning the control chain—from signal sources and room-temperature electronics to cryogenic-compatible cables, attenuators, filters, couplers, and low-loss interconnect solutions inside the cryostat. Our components are engineered to meet the stringent requirements of quantum experiments, including phase stability, low noise, high isolation, and repeatable performance across temperature gradients.

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Unmatched Portfolio Breadth for Scaling and Miniaturization

Mini-Circuits offers an exceptionally broad portfolio of RF and microwave solutions in multiple form factors. From connectorized components and rack-mount assemblies to surface-mount devices and semiconductor die, our breadth of offerings offers system architects a reliable source as they transition from benchtop research systems and prototypes to higher-density, production-oriented quantum platforms.

Surface Mount &
MMIC Die Parts

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Engineering Collaboration for Application-Specific Solutions

Quantum systems demand customization, and Mini-Circuits is structured to collaborate at the engineering level. Our teams work directly with customers to develop tailored solutions, such as integrating multiple RF functions into a single module or rack assembly, optimizing signal routing, or designing custom device housings and packaging suitable for cryogenic environments, non-magnetic requirements and more. This collaborative approach helps accelerate development timelines while ensuring RF and microwave performance aligns precisely with the unique requirements of each quantum application.

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Non-Magnetic RF Interconnect Cables / Jumpers

Proven performance and reliability in cryogenic environments:

  • CONNECTOR: BeCu gold-plated, nickel-free SMA, SMP, SMPM, SMPS, SSMB 

  • CONTACT: BeCu gold-plated, nickel-free 

  • CENTER CONDUCTOR: Silver-plated copper (.047”, .086”, .141” dia.) 

  • OUTER SHIELD: copper braid, tin-soaked 

  • OPTIONS: unjacketed, right-angle, custom label
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Custom Assemblies

Multi-channel signal generator for pump tone generation for superconducting quantum computers:

  • Derived from our SSG signal generator product line, with narrowband and wideband options 10 MHz to 15 GHz 
  • Up to 16 independent channels 
  • Phase-coherent or independent reference sources 
  • CW, pulsed, AM, FM, and chirp modulation 
  • Adjustable output power per channel, -50 to 23 dBm 
  • Excellent phase noise and low harmonics 
  • 19” rack chassis, 1U height, 20” depth 
  • Ethernet , USB control 
  • Power over Ethernet (PoE) Enabled 
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Solutions for Atomic & Photonic Modalities

Multi-channel variable gain amplifier for driving AOM and AOD in trapped ion and neutral atom quantum computers

  • Independent control of 4 channels
  • Gain adjustable from -8 to 52 dB, 0.25 dB step size
  • USB or Ethernet control, Windows GUI, full API
  • 19” rack-mounted chassis, 3U, SMA-F connectors
  • Inputs on front, Outputs on rear
  • Rear cooling fan
  • Custom solutions available

 
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Package & Product Customization

Brass coaxial housings for cryogenic applications

  • Filters, couplers, bias tees, attenuators and more
  • Multi-component solutions
  • SMA, SMP, SMPM

Product modification for cryogenic applications

  • Nickel Chromium (NiCr) attenuators (under development)
  • Nickel Chromium (NiCr) reflectionless filters (under development)

Contact Us

Tell us about your requirements, and one of our engineers will get in touch!