相忠诚主要从事超导量子器件的设计，制备及应用研究。在超导量子电路的设计、制备等方面积累丰富专业知识和经验。先后设计和制备出多种构型的高质量多比特量子芯片，包括一维（43比特“庄子”1号），梯子型（30比特），可调耦合型多比特（78比特“庄子”2号）以及可匹配量子比特规模化可调扩展的量子处理器。积累一套从概念设计、线路量子化、模型仿真、版图设计及制备的方法，此外，在量子比特相关的辅助器件方面，设计制备高增益，宽带宽的约瑟夫森参量放大器（JPA），微波光子整型器，可调耦合器等。其中基于铝膜的量子比特（双结SQUID）的退相干时间可以达到百微秒的较好水平。设计、制备的具有不同功能的量子芯片参数稳定，为国内多家单位提供了满意的样品并已经成功利用这些器件进行了多项量子实验及“量子云平台“上线，相关成果被多家媒体网站自发报导。2021年入选中国科学院物理研究所百人计划中的“关键技术人才”并入职物理所，具体负责团队的超导量子芯片研制。
教育及工作经历
博 士：2016年09月–2019年05月，北京航空航天大学物理学博士学位
博士后：2019年06月–2021年11月，中科学院物理研究所博士后
研究员：2021年11月–至今，中国科学院物理研究所副主任工程师
2022年11月–至今，北京量子信息科学研究院兼聘副研究员
成果简介
累计发表SCI论文20余篇，申请发明专利10项，其中4篇Physical Review Letters，5篇Nature Communications。
代表性成果（#为共同一作，*为共同通讯作者）：
[1] Yong-Yi Wang#, Yun-Hao Shi#, Zheng-Hang Sun#, Chi-Tong Chen, Zheng-An Wang, Kui Zhao, Hao-Tian Liu, Wei-Guo Ma, Ziting Wang, Hao Li, Jia-Chi Zhang, Yu Liu, Cheng-Lin Deng, Tian-Ming Li, Yang He, Zheng-He Liu, Zhen-Yu Peng, Xiaohui Song, Guangming Xue, Haifeng Yu, Kaixuan Huang*, Zhongcheng Xiang*, Dongning Zheng, Kai Xu*, and Heng Fan*, Exploring Hilbert-Space Fragmentation on a Superconducting Processor, PRX Quantum (2025).
[2] Pengtao Song#, Zhongcheng Xiang#, Yu-Xiang Zhang , Zhan Wang , Xueyi Guo , Xinhui Ruan , Xiaohui Song , Kai Xu , Yvonne Y. Gao, Heng Fan , Dongning Zheng*,Coherent Control of Bloch Oscillations in a Superconducting Circuit, PRX Quantum 5, 020302 (2024)
[3] Jian-Yong Zhou#, Si-Lu Zhao#, Ya Yang, Shi Xiao, D. He, Wei Nie, Ying Hu, Jing Lu, Le-Man Kuang, Yu-Xi Liu, Ming-Tang Deng, Dong-Ning Zheng, Zhong-Cheng Xiang*, Lan Zhou*, Z. H. Peng*, Experimental study of modified Tavis-Cummings model with directly-coupled superconducting artificial atoms, Optics Express, 32, 179 (2024).
[4] Gui-Han Liang#, Xiao-Hui Song#, Cheng-Lin Deng#, Xu-Yang Gu, Yu Yan, Zheng-Yang Mei, Si-Lu Zhao, Yi-Zhou Bu, Yong-Xi Xiao, Yi-Han Yu, Ming-Chuan Wang, Tong Liu, Yun-Hao Shi, He Zhang, Xiang Li, Li Li, Jing-Zhe Wang, Ye Tian, Shi-Ping Zhao, Kai Xu*, Heng Fan*, Zhong-Cheng Xiang*, Dong-Ning Zheng*，Tunable Coupling Architectures with Capacitively Connecting Pads for Large-Scale Superconducting Multi-Qubit Processors，Physical Review Applied, 20, 044028 (2023).
[5] Zhong-Cheng Xiang#, Kaixuan Huang#, Yu-Ran Zhang#, Tao Liu, Yun-Hao Shi, Cheng-Lin Deng, Tong Liu, Hao Li, Gui-Han Liang, Zheng-Yang Mei, Haifeng Yu, Guangming Xue, Ye Tian, Xiaohui Song, Zhi-Bo Liu, Kai Xu*, Dongning Zheng, Franco Nori*, Heng Fan*, Simulating Chern insulators on a superconducting quantum processor, Nature Communications 14, 5433 (2023),
[6] Yun-Hao Shi#, Yu Liu#, Yu-Ran Zhang#, Zhongcheng Xiang#, Kaixuan Huang, Tao Liu, Yong-Yi Wang, Jia-Chi Zhang, Cheng-Lin Deng, Gui-Han Liang, Zheng-Yang Mei, Hao Li, Tian-Ming Li, Wei-Guo Ma, Hao-Tian Liu, Chi-Tong Chen, Tong Liu, Ye Tian, Xiaohui Song, S. P. Zhao, Kai Xu*, Dongning Zheng*, Franco Nori*, Heng Fan*, Quantum simulation of topological zero modes on a 41-qubit superconducting processor, Physical Review Letters 131, 080401 (2023),
[7] Yun-Hao Shi#, Run-Qiu Yang#, ZhongchengXiang#, Zi-Yong Ge, Hao Li, Yong-Yi Wang, Kaixuan Huang, Ye Tian, Xiaohui Song, Dongning Zheng*,Kai Xu*, Rong-Gen Cai*, Heng Fan*, Quantum simulation of Hawking radiation and curved spacetime with a superconducting on-chip black hole, Nature Communications, 14, 3263 (2023).
[8] Chi-Tong Chen#, Yun-Hao Shi#, Zhongcheng Xiang#, Zheng-An Wang, Tian-Ming Li, Hao-Yu Sun, Tian-Shen He, Xiaohui Song, Shiping Zhao, Dongning Zheng, Kai Xu*, Heng Fan*, ScQ cloud quantum computation for generating Greenberger-Horne-Zeilinger states of up to 10 qubits, Science China – Phys. Mech. & Astron. 65, 110362 (2022).
[9] Shou. Kuan. Zhao#, Zi-Yong Ge #, Zhongcheng Xiang#, G. M. Xue, H. S. Yan, Z. T. Wang , Zhan Wang, H. K. Xu , F. F. Su, Z. H. Yang, He Zhang, Yu-Ran Zhang , Xue-Yi Guo, Kai Xu, Ye Tian, H. F. Yu,*D. N. Zheng,* Heng Fan* and S. P. Zhao*, Probing Operator Spreading via Floquet Engineering in a Superconducting Circuit, Physical Review Letters, 129, 160602 (2022). (编辑推荐)
[10] Zhan Wang#, Zi-Yong Ge#, Zhongcheng Xiang#, Xiaohui Song, Rui-Zhen Huang, Pengtao Song, Xue-Yi Guo,Luhong Su, Kai Xu, Dongning Zheng, * and Heng Fan*,Observation of emergent Z2 gauge invariance in a superconducting circuit, Physical Review Research,4 ,L022060 (2022).
[11] Tong Liu, Shang Liu, Hekang Li, Hao Li, Kaixuan Huang, Zhongcheng Xiang, Xiaohui Song, Kai Xu*, Dongning Zheng*, Heng Fan*, Observation of entanglement negativity transition of pseudo-random mixed states, Nature Communications, 14, 1971 (2023).
[12] Kai Xu, Yu-Ran Zhang, Zheng-Hang Sun, Hekang Li, Pengtao Song, Zhongcheng Xiang, Kaixuan Huang, Hao Li, Yun-Hao Shi, Chi-Tong Chen, Xiaohui Song, Dongning Zheng, Franco Nori*, H. Wang*, and Heng Fan*, Metrological characterization of non-Gaussian entangled states of superconducting qubits, Physical Review Letters 128, 150501 (2022).
[13] Hao Li, Yong-Yi Wang, Yun-Hao Shi, Kaixuan Huang, Xiaohui Song, Gui-Han Liang, Zheng-Yang Mei, Bozhen Zhou, He Zhang, Jia-Chi Zhang, Shu Chen, Shiping Zhao, Ye Tian, Zhan-Ying Yang, Zhongcheng Xiang, Kai Xu*, Dongning Zheng*, Heng Fan*, Observation of critical phase transition in a generalized Aubry-André-Harper model on a superconducting quantum processor with tunable couplers, npj Quantum Information 9, 40 (2023).
[14] 相忠诚、宋小会、郭学仪、宋鹏涛、王战、郑东宁， 耦合强度可调的量子比特结构，中国发明专利申请号 2021109309311。（已授权）
[15] 相忠诚、宋小会、梁珪涵、赵思路、梅铮扬、李想、李力、许凯、范桁、郑东宁，可大规模扩展超导量子比特的旁路电容可调耦合单元设计，申请号：2022107179977。
[16] 梁珪涵、相忠诚、宋小会、赵思路、梅铮扬、许凯、范桁、郑东宁，一种跨模块可调耦合的量子比特芯片，专利申请号 2022116298462。
[17] 宋鹏涛、宋小会、相忠诚、郭学仪、王战、郑东宁，约瑟夫森参量放大器及其制备方法，专利申请号 2021101912599。
项目/课题情况
目前负责国家自然科学基金委青年基金项目，一项预研专项（子课题负责人），同时作为骨干人员参与基金委重点支持项目。我们团队目前在中科院物理所A楼和C楼实验室共拥有三台稀释制冷机，在D楼和M楼有微加工实验室，能完成多超导量子比特及辅助器件的设计，制备和测量。