超导共面波导谐振腔的仿真优化研究
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中图分类号：TN911-34；TP391.9 文献标识码：A 文章编号：1004-373X（2025）15-0152-06
Simulation optimization study of superconducting coplanar waveguide resonator
FENG Xuefei1， XIONG Qibing2，3，YANG Tian³，YUANBenzheng3，HE Haoran³，LIU Xingjiang1， WANG Weilong （1.School of Cyber Scienceand Engineering，Zhengzhou University，Zhengzhou 45ooo1，China; 2.Department of Network Security，Henan Police College，Zhengzhou 45Ooo1，China; 3.LaboratoryfodvcdomputingdIteligenceEngeing，InfoationEnginringUvesityZengouia）
Abstract：Superconducting quantum systems are sensitive and fragile，and the crostalk within superconducting coplanar waveguidereadoutresonatorsinsuperconductingquantumcircuitsreducesthequalityfactorofthereadoutresonatorsand changestheirresonance frequencies，which seriouslyaffects thecoherenceandacuracyof superconducting quantum computation.Inviewof theabove，theresonancefrequencydesignofthesuperconductingcoplanarwaveguidereadoutresonator isstudied inordertoreducethecrostalkefectinthesuperconductingquantumcircuit.Firstly，thesimulationerorof electromagneticsimulationsoftware Sonnetisdealtwithandthenthesimulationtestofdiferentresonantfrequenciesofreadout resonatorsisdesignedinordertoanalyzethelawofcrostalkvarying withthefrequencyintervalbetweenreadoutresonators.The experimentalresultsshowthatthecrosstalkdecreaseswiththeincreaseofthefrequencyintervalbetweenthereadoutresonators. Onthisbasis，anoptimaldesignschemeofthereadoutresonators‘resonancefrequencyisproposed.Byadjustingthephysical arrangementof thereadoutresonators，theresonancefrequencyintervalbetweenthereadoutresonatorsisincreasedtoreducethe efectof crostalk.Theefectivenessoftheoptimizationschemeisverifiedbysimulationexperiments.Thecrostalkafterthe applicationoftheproposedschemeisreducedby27%incomparisonwiththeschemeof incrementalarangementofresonance frequenciesof readoutresonatorsonaconventionalsuperconductingquantumchip.Tosumup，thisschemeprovidesauseful reference for the resonance frequency design of readout resonators in the large-scale quantum computing.
Keywords：superconducting quantum computation；superconducting quantumcircuit；coplanar waveguide resonator; resonance frequency;crosstalk;Sonnet simulation
0 引言
超导量子计算已成为当前量子计算领域最主流的技术路径之一。（剩余9059字）