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10 papers · 2 filters
Efficient scheme for generation of photonic NOON states in circuit QED
Shao-Jie Xiong, Zhe Sun, Jin-Ming Liu +2
We propose an efficient scheme for generating photonic NOON states of two resonators coupled to a four-level superconducting flux device. This proposal operates essentially by empl…
Generation of a macroscopic entangled coherent state using quantum memories in circuit QED
Tong Liu, Qi-Ping Su, Shao-Jie Xiong +3
-type entangled states can be used as quantum channels for, e.g., quantum teleportation, quantum dense coding, and quantum key distribution. In this work, we propose a way to ge…
Generating multipartite entangled states of qubits distributed in different cavities
Xiao-Ling He, Qi-Ping Su, Feng-Yang Zhang +1
Cavity-based large-scale quantum information processing (QIP) needs a large number of qubits and placing all of them in a single cavity quickly runs into many fundamental and pract…
Circuit QED: Implementation of the three-qubit refined Deutsch-Jozsa quantum algorithm
Qi-Ping Su, Chui-Ping Yang
We propose a protocol to construct the 35 -controlled phase gates of a three-qubit refined Deutsch-Jozsa (DJ) algorithm, by using single-qubit gates, two-qubit controlled…
Single-step transfer or exchange of multipartite quantum entanglement with minimum resources
Chui-Ping Yang, Qi-Ping Su, Shi-Biao Zheng +1
The transfer or exchange of multipartite quantum states is critical to the realization of large-scale quantum information processing and quantum communication. A challenging questi…
Proposal for an Optomechanical Microwave Sensor at the Subphoton Level
Keye Zhang, Francesco Bariani, Ying Dong +2
Because of their low energy content, microwave signals at the single-photon level are extremely challenging to measure. Guided by recent progress in single-photon optomechanics and…