Cryogenic Cables

Cri/oFlex® product platform

For the input/output (i/o) chains of cryogenic quantum computing, communication and sensing play an essential role in its performance. Especially in larger systems, cabling or component failure, passive heatload and limited space can be a challenge.

Cri/oFlex® is designed specifically for cryogenic (quantum) systems and provides a scalable platform with fully integrated filtering, a small footprint and low heatload.

At Delft Circuits, it is our goal to be a one-stop shop for cryogenic i/o assemblies. To accomplish this goal we have developed three modules. Firstly the interconnect module consisting of electrical- and microwave interfaces, as well as vacuum feedthroughs and thermal anchoring. Secondly, two material platforms (flex laminates) for signal transmission and lastly on-flex integrated components for signal conditioning.

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I/O channel configuration-

Cable Types

The most important choice for your I/O is the type of signal it is configured to transmit.

Cryogenic platform

system integration

Cri/oFlex® can be integrated into your cryostat in multiple ways. Click to find out more.

Services

Especially for large channel capacity solutions – a few hundred-, dedicated engineering is required to come with an optimal solution

I/O channel configuration

NbTi-based Cri/oFlex® optimized for flux bias signals

Only avaible NbTi flex in the world

Low pass filter at 1 GHz

Integrated IR (infrared) filter

Inline attenuation of 20 dB

Contact resistance of 10 mΩ

Less than 0.6 nW of passive heat load/channel

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We understand that every customer is different and all systems require a very specific cryogenic cabling solution. All our cabling solutions are designed specifically to be able to be used in conjunction with each other. This applies in two different ways:

Different types of cryogenic cables, for example microwave drive lines and flux bias lines can be mixed in single vacuum feedthrough to perfectly match your cabling requirements.

Our cryogenic cables can be build with different ‘building blocks’, by mixing different cable sections the perfect solution can be built from exisiting building blocks, thereby reducing cost, throughput time and still perfectly matching your cabling requirements.

Available components

Attenuators (10 dB/20 dB)
Low Pass Filters (1 GHz / 8 GHz)
IR filters (1 dB/GHz)

Available I/O Sections

Vacuum Feedthrough
RT - 4 K
4 K to 10 mK

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Available I/O Sections Vacuum Feedthrough RT - 4 K 4 K to 10 mK

System Integration

There is a wide variety of cooling solutions for quantum computing and low temperature experiments, ranging from lab size dilution refrigerators to small 4K table-top systems. As an i/o provider, it is our task to connect quantum devices and cold experiments to the control electronics regardless of the cooling implementation. To that end we have developed standardized solutions that fit (or can be made to fit) all fridges.

Whether you are purchasing a new system or want to refurbish your current system, Cri/oFlex® provides a solution.

Wiring Ports

Have a spare port in your fridge and want to add extra lines or replace an existing wiring port with a higher density cabling solution?

We supply vacuum feedthroughs, Thermal clamps, Brackets and Cri/oFlex® laminates for all standard ports you will find in dilution refridgerators.

Out of the box solution

Fits for all standard ports

Upgrade existing systems

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