93 citations · 968 across the 39 of their papers we have counts for
5 papers · 1 filter
High-efficiency alignment-free quantum cryptography based on quantum interference
Qi Guo, Liu-Yong Cheng, Hong-Fu Wang +1
We propose an alternative quantum cryptography protocol using the quantum interference effect. The efficiency of creating sifted key can reach 100\% in principle, which is higher t…
Preparation of entanglement between atoms in spatially separated cavities via fiber loss
Shi-Lei Su, Xiao-Qiang Shao, Qi Guo +3
We propose a scheme to prepare a maximally entangled state for two Lambda-type atoms trapped in separate optical cavities coupled through an optical fiber based on the combined eff…
Preparation of three-dimensional entanglement for distant atoms in coupled cavities via atomic spontaneous emission and cavity decay
Shi-Lei Su, Xiao-Qiang Shao, Hong-Fu Wang +1
We propose a dissipative scheme to prepare a three-dimensional entangled state for two atoms trapped in separate coupled cavities. Our work shows that both atomic spontaneous emiss…
Counterfactual quantum-information transfer
Qi Guo, Liu-Yong Cheng, Li Chen +2
We demonstrate quantum information can be transferred between two distant participants without any physical particles travelling between them. The key procedure of the counterfactu…
One-step implementation of multiqubit phase gate with one control qubit and multiple target qubits in coupled cavities
Hong-Fu Wang, Ai-Dong Zhu, Shou Zhang
We propose a one-step scheme to implement a multiqubit controlled phase gate of one qubit simultaneously controlling multiple qubits with three-level atoms at distant nodes in coup…