Interleaved cryogenic cooling system for quantum computing applications
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Solution Overview
Problem
Cryogenic cooling systems for quantum computing face challenges in maintaining efficient cooling power and scalability due to thermal conductivity issues from signal lines connecting classical and quantum systems, leading to reduced efficiency and increased resource requirements as quantum hardware complexity grows.
Innovation Solution
Implementing a cryogenic cooling system with interleaved cooling units operating at different temperatures within each stage, allowing for alternating layers of first and second cooling units to optimize cooling power and minimize thermal impact from signal lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If signal lines connect classical and quantum systems through cryogenic cooling stages, then communication between processors is enabled, but thermal conductivity causes cooling efficiency to degrade
Solution Approach 1:
The cooling system is divided into multiple discrete cooling stages (first cooling stage, second cooling stage, etc.), each operating at different temperature ranges. Signal lines pass through multiple cooling units in sequence, with each unit providing localized cooling at its optimal temperature range, thereby maintaining overall cooling efficiency while enabling signal transmission.
Solution Approach 2:
The patent introduces a multi-dimensional cooling architecture where cooling units are arranged in series along the signal line path, creating a temperature gradient dimension. This allows the system to address thermal management in multiple temperature dimensions simultaneously, optimizing cooling efficiency at each stage while maintaining signal line functionality.
2Productivity
If quantum hardware complexity increases to improve computing capability, then processing power increases, but thermal impact from additional signal lines increases
Solution Approach 1:
The cooling system uses multiple cooling stages with each stage handling specific temperature ranges. As quantum hardware complexity increases and more signal lines are added, the segmented cooling architecture distributes the thermal management load across multiple stages, preventing any single stage from becoming overwhelmed by excessive thermal impact.
Solution Approach 2:
Each cooling unit operates at different temperature parameters optimized for its specific function. When hardware complexity increases, the system can adjust and optimize cooling parameters at each stage independently, maintaining thermal efficiency despite the increased number of signal lines and heat sources.
3Temperature
If traditional cooling systems are used to maintain temperature, then cooling is provided, but scalability is limited due to resource requirements
Solution Approach 1:
The modular segmented cooling architecture allows the system to be scaled by adding or removing cooling stages as needed. Each cooling unit is independently optimized and can be configured to handle different temperature ranges, enabling the system to adapt to various quantum hardware configurations and scale resources efficiently based on computational requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances cooling efficiency by 10 to 100 times while requiring only double the resources, improving scalability and maintaining temperature requirements for quantum computing systems.
Implementation Method 1
a cryogenic cooling system configured to cool the one or more quantum systems to a temperature of less than about 1 kelvin
Implementation Method 2
The one or more signal lines can pass through each of the plurality of interleaved cooling units for each of the plurality of cryogenic cooling stages
Data Source
AI summary
A cryogenic cooling system for use in quantum computing applications can include a plurality of cryogenic cooling stages. Each of the plurality of cryogenic cooling stages can include a plurality of interleaved cooling units. The plurality of interleaved cooling units can include a first cooling unit and a second cooling unit. Each of the plurality of interleaved cooling units can have an associated operating temperature range. One or more signal lines that couple one or more classical processors to one or more quantum systems can pass through each of the plurality of interleaved cooling units for each of the plurality of cryogenic cooling stages.