請用此 Handle URI 來引用此文件：
http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/98269完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 管希聖 | zh_TW |
| dc.contributor.advisor | Hsi-Sheng Goan | en |
| dc.contributor.author | 謝博安 | zh_TW |
| dc.contributor.author | Po-An Hsieh | en |
| dc.date.accessioned | 2025-07-31T16:10:38Z | - |
| dc.date.available | 2025-08-01 | - |
| dc.date.copyright | 2025-07-31 | - |
| dc.date.issued | 2025 | - |
| dc.date.submitted | 2025-07-23 | - |
| dc.identifier.citation | XuanZhang, XuZhang, Changling Chen, Kai Tang, Kangyuan Yi, Kai Luo, Zheshu Xie, Yuanzhen Chen, and Tongxing Yan. Characterization and optimization of tunable couplers via adiabatic control in superconducting circuits, 2025.
Daniel Grier and Luke Schaeffer. The Classification of Clifford Gates over Qubits. Quantum, 6:734, June 2022. Fabian Marxer, Antti Vepsäläinen, Shan W. Jolin, Jani Tuorila, Alessandro Landra, Caspar Ockeloen-Korppi, Wei Liu, Olli Ahonen, Adrian Auer, Lucien Belzane, Ville Bergholm, Chun Fai Chan, Kok Wai Chan, Tuukka Hiltunen, Juho Hotari, Eric Hyyppä, Joni Ikonen, David Janzso, Miikka Koistinen, Janne Kotilahti, Tianyi Li, Jyrgen Luus, Miha Papic, Matti Partanen, Jukka Räbinä, Jari Rosti, Mykhailo Savytskyi, Marko Seppälä, Vasilii Sevriuk, Eelis Takala, Brian Tarasinski, Manish J. Thapa, Francesca Tosto, Natalia Vorobeva, Liuqi Yu, Kuan Yen Tan, Juha Hassel, Mikko Möttönen, and Johannes Heinsoo. Long-distance transmon coupler with cz gate fidelity above 99.8%. PRX Quantum, 4:010314, Feb 2023. Peng Zhao, Dong Lan, Peng Xu, Guangming Xue, Mace Blank, Xinsheng Tan, Haifeng Yu, and Yang Yu. Suppression of static zz interaction in an all-transmon quantum processor. Phys. Rev. Appl., 16:024037, Aug 2021. Youngkyu Sung, Leon Ding, Jochen Braumüller, Antti Vepsäläinen, Bharath Kannan, Morten Kjaergaard, Ami Greene, Gabriel O. Samach, Chris McNally, David Kim, Alexander Melville, Bethany M. Niedzielski, Mollie E. Schwartz, Jonilyn L. Yoder, Terry P. Orlando, Simon Gustavsson, and William D. Oliver. Realization of high-fidelity cz and zz-free iswap gates with a tunable coupler. Phys. Rev. X, 11:021058, Jun 2021. Easwar Magesan, Jay M. Gambetta, B. R. Johnson, Colm A. Ryan, Jerry M. Chow, Seth T. Merkel, Marcus P. da Silva, George A. Keefe, Mary B. Rothwell, Thomas A. Ohki, Mark B. Ketchen, and M. Steffen. Efficient measurement of quantum gate error by interleaved randomized benchmarking. Physical Review Letters, 109(8), August 2012. Rami Barends, Julian Kelly, Anthony Megrant, Andrzej Veitia, Daniel ThomasSank, Evan Jeffrey, Theodore White, Josh Mutus, Austin G. Fowler, Brooks Campbell, You Lung Chen, Zijun Chen, Benjamin Chiaro, Andrew Dunsworth, Charles J. Neill, P. OMalley, Pedram Roushan, Amit Vainsencher, James Wenner, Alexander N. Korotkov, Andrew N. Cleland, and John M. Martinis. Superconducting quantum circuits at the surface code threshold for fault tolerance. Nature, 508:500–503, 2014. Zhongchu Ni, Sai Li, Libo Zhang, Ji Chu, Jingjing Niu, Tongxing Yan, Xiuhao Deng, Ling Hu, Jian Li, Youpeng Zhong, Song Liu, Fei Yan, Yuan Xu, and Dapeng Yu. Scalable method for eliminating residual zz interaction between superconducting qubits. Phys. Rev. Lett., 129:040502, Jul 2022. Ji Chu and Fei Yan. Coupler-assisted controlled-phase gate with enhanced adiabaticity. Phys. Rev. Appl., 16:054020, Nov 2021. Tahereh Abad, Jorge Fernández-Pendás, Anton Frisk Kockum, and Göran Johansson. Universal fidelity reduction of quantum operations from weak dissipation. Physical Review Letters, 129(15), October 2022. | - |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/98269 | - |
| dc.description.abstract | 隨著單一量子位元量子邏輯閘的保真度已經趨於完美，針對兩個量子位元的操作與量子邏輯閘的保真度將成為下一個重要的議題。由於兩個量子位元間存在ZZ-交互作用，除了降低原本單一量子位元邏輯閘的保真度，也使兩個量子位元邏輯閘的操作受到限制。為了使兩個量子位元間的相互影響可以受到控制，量子耦合器成為不可或缺的角色。在這篇論文中我們首先要了解量子耦合器的性質，再來利用它建立且校準控制-Z閘，並藉由兩個量子位元的隨機標竿分析法來計算控制-Z閘的保真度。 | zh_TW |
| dc.description.abstract | As the fidelity of single-qubit quantum logic gates approaches perfection, the focus of quantum gate optimization has shifted to two-qubit operations. The fidelity of two-qubit gates has become a critical issue. Due to the presence of ZZ interactions between qubits, not only is the fidelity of single-qubit gates decreased, but the performance of two-qubit gates is also significantly limited. To mitigate and control the mutual interactions between qubits, quantum couplers have become an indispensable component. In this work, we first investigate the properties of tunable quantum couplers. We then utilize the coupler to construct and calibrate a Controlled-Z (CZ) gate, and evaluate its performance using two-qubit randomized benchmarking to determine the fidelity of the CZ gate. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2025-07-31T16:10:38Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2025-07-31T16:10:38Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | Acknowledgements i
摘要 iii Abstract v Contents vii List of Figures ix List of Tables xv Chapter 1 Introduction 1 Chapter 2 Theoretical background 3 2.1 Adiabatic Swap (aSWAP) 3 2.2 Single qubit gate 5 2.3 ZZ-interaction 6 2.4 CZ gate 8 2.5 Randomized Benchmarking 9 2.5.1 Single-Qubit Randomized Benchmarking 9 2.5.2 Two-Qubit Randomized Benchmarking 10 Chapter 3 Experimental process 15 3.1 Experiment setup 15 3.2 Coupler Characterization with aSWAP 16 3.2.1 Qubit characterization and Anti-crossing point identification 16 3.2.2 Coupler characterization with aSWAP 18 3.3 CZ gate calibration 23 3.3.1 ZZ-interaction minimization 23 3.3.2 CZ gate construction 25 3.4 Two-Qubit RB 29 Chapter 4 Experimental Result 31 Chapter 5 Conclusion 37 References 39 | - |
| dc.language.iso | en | - |
| dc.subject | 量子耦合器 | zh_TW |
| dc.subject | 控制-Z閘 | zh_TW |
| dc.subject | 保真度 | zh_TW |
| dc.subject | Fidelity | en |
| dc.subject | CZ gate | en |
| dc.subject | Coupler | en |
| dc.title | 使用可調耦合器校準控制-Z閘以實現超過96%的保真度 | zh_TW |
| dc.title | Calibration of CZ Gate with Tunable Coupler to Achieve Fidelity Above 96% | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 113-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 陳啟東;柯忠廷 | zh_TW |
| dc.contributor.oralexamcommittee | Chii-Dong Chen;Chung-Ting Ke | en |
| dc.subject.keyword | 控制-Z閘,量子耦合器,保真度, | zh_TW |
| dc.subject.keyword | CZ gate,Coupler,Fidelity, | en |
| dc.relation.page | 41 | - |
| dc.identifier.doi | 10.6342/NTU202501389 | - |
| dc.rights.note | 同意授權(全球公開) | - |
| dc.date.accepted | 2025-07-25 | - |
| dc.contributor.author-college | 理學院 | - |
| dc.contributor.author-dept | 物理學系 | - |
| dc.date.embargo-lift | 2025-08-01 | - |
| 顯示於系所單位： | 物理學系 | |
文件中的檔案：
| 檔案 | 大小 | 格式 | |
|---|---|---|---|
| ntu-113-2.pdf | 4.07 MB | Adobe PDF | 檢視/開啟 |
系統中的文件，除了特別指名其著作權條款之外，均受到著作權保護，並且保留所有的權利。