Publications (22)
Protecting quantum entanglement between error-corrected logical qubits
Weizhou Cai, Xianghao Mu, Weiting Wang +11
Entanglement represents one of the most important conceptual advances in physics during the last century and is also one of the most essential resources in quantum information scie…
Surface code logical operations on a superconducting quantum processor
Weiping Lin, Shaojun Guo, Yuwei Ma +144
Fault-tolerant quantum computation requires logical operations that manipulate encoded information while preserving quantum error-correction protection. In planar surface-code arch…
Experimental implementation of universal nonadiabatic geometric quantum gates in a superconducting circuit
Yuan Xu, Ziyue Hua, Tao Chen +9
Using geometric phases to realize noise-resilient quantum computing is an important method to enhance the control fidelity. In this work, we experimentally realize a universal nona…
Experimental repetitive quantum channel simulation
Ling Hu, Xianghao Mu, Weizhou Cai +6
Universal control of quantum systems is a major goal to be achieved for quantum information processing, which demands thorough understanding of fundamental quantum mechanics and pr…
Experimental simulation of open quantum system dynamics via Trotterization
Jiaxiu Han, Weizhou Cai, Ling Hu +8
Digital quantum simulators provide a diversified tool for solving the evolution of quantum systems with complicated Hamiltonians and hold great potential for a wide range of applic…
Dynamic compensation for pump-induced frequency shift in Kerr-cat qubit initialization
Yifang Xu, Ziyue Hua, Weiting Wang +12
The noise-biased Kerr-cat qubit is an attractive candidate for fault-tolerant quantum computation; however, its initialization faces challenges due to the squeezing pump-induced fr…