Circuit simulation of readout process toward large-scale superconducting quantum circuits

Fuente: arXiv
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Autori principali: Tanamoto, Tetsufumi, Fuketa, Hiroshi, Ishikawa, Toyofumi, Kawabata, Shiro
Natura: Preprint
Pubblicazione: 2025
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author Tanamoto, Tetsufumi
Fuketa, Hiroshi
Ishikawa, Toyofumi
Kawabata, Shiro
author_facet Tanamoto, Tetsufumi
Fuketa, Hiroshi
Ishikawa, Toyofumi
Kawabata, Shiro
contents The rapid scaling of superconducting quantum computers has highlighted the impact of device-level variability on overall circuit fidelity. In particular, fabrication-induced fluctuations in device parameters such as capacitance and Josephson critical current pose significant challenges to large-scale integration. We propose a simulation methodology for estimating qubit fidelity based on classical circuit simulation, using a conventional Simulation Program with Integrated Circuit Emphasis (SPICE) simulator. This approach enables the evaluation of the performance of superconducting quantum circuits with 10000 qubits on standard laptop computers. The proposed method provides an accessible tool for the early stage assessment of large-scale superconducting quantum circuit performance.
format Preprint
id arxiv_https___arxiv_org_abs_2507_20100
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Circuit simulation of readout process toward large-scale superconducting quantum circuits
Tanamoto, Tetsufumi
Fuketa, Hiroshi
Ishikawa, Toyofumi
Kawabata, Shiro
Quantum Physics
Superconductivity
The rapid scaling of superconducting quantum computers has highlighted the impact of device-level variability on overall circuit fidelity. In particular, fabrication-induced fluctuations in device parameters such as capacitance and Josephson critical current pose significant challenges to large-scale integration. We propose a simulation methodology for estimating qubit fidelity based on classical circuit simulation, using a conventional Simulation Program with Integrated Circuit Emphasis (SPICE) simulator. This approach enables the evaluation of the performance of superconducting quantum circuits with 10000 qubits on standard laptop computers. The proposed method provides an accessible tool for the early stage assessment of large-scale superconducting quantum circuit performance.
title Circuit simulation of readout process toward large-scale superconducting quantum circuits
topic Quantum Physics
Superconductivity
url https://arxiv.org/abs/2507.20100