Inter-Temperature Bandwidth Reduction in Cryogenic QAOA Machines
IEEE Comput Archit Lett(2024)
摘要
The bandwidth limit between cryogenic and room-temperature environments is a critical bottleneck in superconducting noisy intermediate-scale quantum computers. This paper presents the first trial of algorithm-aware system-level optimization to solve this issue by targeting the quantum approximate optimization algorithm. Our counter-based cryogenic architecture using single-flux quantum logic shows exponential bandwidth reduction and decreases heat inflow and peripheral power consumption of inter-temperature cables, which contributes to the scalability of superconducting quantum computers.
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关键词
Computer architecture,Superconducting cables,Cryogenics,cryogenic electronics,quantum computing,qubit,superconducting logic circuits
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