Liang-Liang Guo

Jun 26, 2024 | link.aps.org | Liang-Liang Guo |Peng Duan |Sheng Zhang

In quantum computation, control signals are adversely affected by distortion due to nonidealities in control chains. In order to implement high-fidelity digital and analog quantum operations, one must characterize the distortion and compensate for it. Here, we propose and experimentally verify an extensible method to model the behavior of control lines with the system function and correct it with digital filters.

Oct 29, 2023 | onlinelibrary.wiley.com | Ying Fu |Liang-Liang Guo |Xi Chen |Hao Chen

Supporting Information As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Filename Description adsc202300883-s1-SI_1.pdf14 MB Supplementary

Oct 29, 2023 | pericles.pericles-prod.literatumonline.com | Ying Fu |Liang-Liang Guo |Xi Chen |Hao Chen

Supporting Information As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.

May 30, 2023 | mdpi.com | Xin-Xin Yang |Xiao-Yan Yang |Liang-Liang Guo |Lei Du

This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessArticlebyXin-Xin Yang 1, Xiao-Yan Yang 1, Liang-Liang Guo 1, Lei Du 1, Peng Duan 1, Zhi-Long Jia 1, Hai-Ou Li 1,* and Guo-Ping Guo 1,2,* 1CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, China2Origin Quantum Computing Company Limited, Hefei 230088, China*Authors to whom correspondence should be addressed. Appl. Sci.

Apr 25, 2023 | link.aps.org | Hai-Feng Zhang |Lei Du |Xin-Xin Yang |Liang-Liang Guo

Abstract Nonadiabatic geometric quantum computation (NGQC) has attracted a lot of attention for noise-resilient quantum control. However, previous implementations of NGQC require long evolution paths that make them more vulnerable to incoherent errors than their dynamical counterparts. In this work, we experimentally realize a universal short-path nonadiabatic geometric gate set (SP NGQC) with a 2-times shorter evolution path on a superconducting quantum processor.