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Journal Articles

In situ mixer calibration for superconducting quantum circuits

Nan Wu, Jing Lin, Changrong Xie, Zechen Guo, Wenhui Huang, Libo Zhang, Yuxuan Zhou, Xuandong Sun, Jiawei Zhang, Weijie Guo, Xiayu Linpeng, Song Liu, Yang Liu, Wenhui Ren, Ziyu Tao, Ji Jiang, Ji Chu, Jingjing Niu, Youpeng Zhong, Dapeng Yu
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 204003 (2024)
https://doi.org/10.1063/5.0234579
Published: November 2024
View article titled, <em>In situ</em> mixer calibration for superconducting quantum circuits
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Journal Articles

Pure kinetic inductance coupling for cQED with flux qubits

Simon Geisert, Soeren Ihssen, Patrick Winkel, Martin Spiecker, Mathieu Fechant, Patrick Paluch, Nicolas Gosling, Nicolas Zapata, Simon Günzler, Dennis Rieger, Denis Bénâtre, Thomas Reisinger, Wolfgang Wernsdorfer, Ioan M. Pop
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 064002 (2024)
https://doi.org/10.1063/5.0218361
Published: August 2024
View article titled, Pure kinetic inductance coupling for cQED with flux qubits
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Journal Articles

Tunable coupling of a quantum phononic resonator to a transmon qubit via galvanic-contact flip-chip architecture

Xinhui Ruan, Li Li, Guihan Liang, Silu Zhao, Jia-heng Wang, Yizhou Bu, Bingjie Chen, Xiaohui Song, Xiang Li, He Zhang, Jinzhe Wang, Qianchuan Zhao, Kai Xu, Heng Fan, Yu-xi Liu, Jing Zhang, Zhihui Peng, Zhongcheng Xiang, Dongning Zheng
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 052603 (2024)
https://doi.org/10.1063/5.0216607
Published: July 2024
View article titled, Tunable coupling of a quantum phononic resonator to a transmon qubit via galvanic-contact flip-chip architecture
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Journal Articles

Low-loss liquid metal interconnects for superconducting quantum circuits

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Zhancheng Yao, Martin Sandberg, David W. Abraham, David J. Bishop
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 264002 (2024)
https://doi.org/10.1063/5.0211244
Published: June 2024
View article titled, Low-loss liquid metal interconnects for superconducting quantum circuits
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Journal Articles

DC flux crosstalk reduction with dual flux line

Zhengqi Niu, Wanpeng Gao, Xiaoliang He, Yifan Wang, Zhen Wang, Zhi-Rong Lin
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 254002 (2024)
https://doi.org/10.1063/5.0208859
Published: June 2024
View article titled, DC flux crosstalk reduction with dual flux line
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Journal Articles

Phase dynamics of tunnel Al-based ferromagnetic Josephson junctions

H. G. Ahmad, R. Satariano, R. Ferraiuolo, A. Vettoliere, C. Granata, D. Montemurro, G. Ausanio, L. Parlato, G. P. Pepe, F. Tafuri, D. Massarotti
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 232601 (2024)
https://doi.org/10.1063/5.0211006
Published: June 2024
View article titled, Phase dynamics of tunnel Al-based ferromagnetic Josephson junctions
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Includes: Supplementary data
Journal Articles

Superconducting quantum memory with a suspended coaxial resonator

Editor’s Pick
Lev Krayzman, Chan U Lei, Suhas Ganjam, James Teoh, Luigi Frunzio, Robert J. Schoelkopf
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 204001 (2024)
https://doi.org/10.1063/5.0203906
Published: May 2024
View article titled, Superconducting quantum memory with a suspended coaxial resonator
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Journal Articles

Compact superconducting transmon qubit circuits made of ultrathin NbN

XingYu Wei, JunLiang Jiang, Wenqu Xu, Tingting Guo, Kaixuan Zhang, Zishuo Li, Tianshi Zhou, Yifan Sheng, Chunhai Cao, Guozhu Sun, Peiheng Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 154005 (2023)
https://doi.org/10.1063/5.0170259
Published: October 2023
View article titled, Compact superconducting transmon qubit circuits made of ultrathin NbN
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Journal Articles

Efficient charging and discharging of a superconducting quantum battery through frequency-modulated driving

Yangyang Ge, Xiangmin Yu, Wei Xin, Zhimin Wang, Yu Zhang, Wen Zheng, Shaoxiong Li, Dong Lan, Yang Yu
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 154002 (2023)
https://doi.org/10.1063/5.0161354
Published: October 2023
View article titled, Efficient charging and discharging of a superconducting quantum battery through frequency-modulated driving
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Journal Articles

Identification and mitigation of conducting package losses for quantum superconducting devices

Editor’s Pick
Yizhou Huang, Yi-Hsiang Huang, Haozhi Wang, Zach Steffen, Jonathan Cripe, F. C. Wellstood, B. S. Palmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 044001 (2023)
https://doi.org/10.1063/5.0155053
Published: July 2023
View article titled, Identification and mitigation of conducting package losses for quantum superconducting devices
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Includes: Supplementary data
Journal Articles

Post-fabrication frequency trimming of coplanar-waveguide resonators in circuit QED quantum processors

S. Vallés-Sanclemente, S. L. M. van der Meer, M. Finkel, N. Muthusubramanian, M. Beekman, H. Ali, J. F. Marques, C. Zachariadis, H. M. Veen, T. Stavenga, N. Haider, L. DiCarlo
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 034004 (2023)
https://doi.org/10.1063/5.0148222
Published: July 2023
View article titled, Post-fabrication frequency trimming of coplanar-waveguide resonators in circuit QED quantum processors
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Includes: Supplementary data
Journal Articles

Lower-temperature fabrication of airbridges by grayscale lithography to increase yield of nanowire transmons in circuit QED quantum processors

T. Stavenga, S. A. Khan, Y. Liu, P. Krogstrup, L. DiCarlo
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 024004 (2023)
https://doi.org/10.1063/5.0146814
Published: July 2023
View article titled, Lower-temperature fabrication of airbridges by grayscale lithography to increase yield of nanowire transmons in circuit QED quantum processors
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Includes: Supplementary data
Journal Articles

Realization of superconducting transmon qubits based on topological insulator nanowires

Xiaopei Sun, Bing Li, Enna Zhuo, Zhaozheng Lyu, Zhongqing Ji, Jie Fan, Xiaohui Song, Fanming Qu, Guangtong Liu, Jie Shen, Li Lu
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 154001 (2023)
https://doi.org/10.1063/5.0140079
Published: April 2023
View article titled, Realization of superconducting transmon qubits based on topological insulator nanowires
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Includes: Supplementary data
Journal Articles

Noise-specific beating in the higher-level Ramsey curves of a transmon qubit

L. A. Martinez, Z. Peng, D. Appelö, D. M. Tennant, N. Anders Petersson, J. L DuBois, Y. J. Rosen
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 114002 (2023)
https://doi.org/10.1063/5.0138811
Published: March 2023
View article titled, Noise-specific beating in the higher-level Ramsey curves of a transmon qubit
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Includes: Supplementary data
Journal Articles

Fast parametric two-qubit gate for highly detuned fixed-frequency superconducting qubits using a double-transmon coupler

Kentaro Kubo, Hayato Goto
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 064001 (2023)
https://doi.org/10.1063/5.0138699
Published: February 2023
View article titled, Fast parametric two-qubit gate for highly detuned fixed-frequency superconducting qubits using a double-transmon coupler
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Journal Articles

Characterization of tunable coupler without a dedicated readout resonator in superconducting circuits

Chi Zhang, Tian-Le Wang, Liang-Liang Guo, Xiao-Yan Yang, Xin-Xin Yang, Peng Duan, Zhi-Long Jia, Wei-Cheng Kong, Guo-Ping Guo
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 024001 (2023)
https://doi.org/10.1063/5.0135219
Published: January 2023
View article titled, Characterization of tunable coupler without a dedicated readout resonator in superconducting circuits
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Includes: Supplementary data
Journal Articles

Building compact superconducting microwave resonators with Hilbert space-filling curves

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Junliang Jiang, Zishuo Li, Tingting Guo, Wenqu Xu, Xingyu Wei, Kaixuan Zhang, Tianshi Zhou, Yifan Sheng, Chunhai Cao, Guozhu Sun, Peiheng Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 254001 (2022)
https://doi.org/10.1063/5.0128964
Published: December 2022
View article titled, Building compact superconducting microwave resonators with Hilbert space-filling curves
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Journal Articles

Tantalum microwave resonators with ultra-high intrinsic quality factors

Lili Shi, Tingting Guo, Runfeng Su, Tianyuan Chi, Yifan Sheng, Junliang Jiang, Chunhai Cao, Jingbo Wu, Xuecou Tu, Guozhu Sun, Jian Chen, Peiheng Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 242601 (2022)
https://doi.org/10.1063/5.0124821
Published: December 2022
View article titled, Tantalum microwave resonators with ultra-high intrinsic quality factors
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Journal Articles

Effects of laser-annealing on fixed-frequency superconducting qubits

Editor’s Pick
Hyunseong Kim, Christian Jünger, Alexis Morvan, Edward S. Barnard, William P. Livingston, M. Virginia P. Altoé, Yosep Kim, Chengyu Song, Larry Chen, John Mark Kreikebaum, D. Frank Ogletree, David I. Santiago, Irfan Siddiqi
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 142601 (2022)
https://doi.org/10.1063/5.0102092
Published: October 2022
View article titled, Effects of laser-annealing on fixed-frequency superconducting qubits
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Includes: Supplementary data
Journal Articles

Fabrication of airbridges with gradient exposure

Yuting Sun, Jiayu Ding, Xiaoyu Xia, Xiaohan Wang, Jianwen Xu, Shuqing Song, Dong Lan, Jie Zhao, Yang Yu
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 074001 (2022)
https://doi.org/10.1063/5.0102555
Published: August 2022
View article titled, Fabrication of airbridges with gradient exposure
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Includes: Supplementary data