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22 papers · 2 filters
Experimental parity-time symmetry quantum walks on a directed graph
Tong Wu, J. A. Izaac, Zi-Xi Li +5
Quantum walks (QW) are of crucial importance in the development of quantum information processing algorithms. Recently, several quantum algorithms have been proposed to implement n…
Integration of the Berry curvature on a qubit state manifold by coupling to a quantum meter system
Peng Xu, Shi-Liang Zhu, Klaus Mølmer +1
We present a scheme that allows integration of the Berry curvature and thus determination of the Chern number of a qubit eigenstate manifold. Our proposal continuously couples the…
Heterogeneously integrated, superconducting silicon-photonic platform for measurement-device-independent quantum key distribution
Xiaodong Zheng, Peiyu Zhang, Renyou Ge +10
Integrated photonics provides a route both to miniaturize quantum key distribution (QKD) devices and to enhance their performance. A key element for achieving discrete-variable QKD…
Quantum teleportation mediated by surface plasmon polariton
Xin-He Jiang, Peng Chen, Kai-Yi Qian +5
Surface plasmon polaritons (SPPs) are collective excitations of free electrons propagating along a metal-dielectric interface. Although some basic quantum properties of SPPs, such…
Stimulated emission quantum state tomography for frequency non-degenerate entangled photon pairs
Yiquan Yang, Peiyu Zhang, Xiao-Song Ma
Frequency non-degenerate entangled photon pairs have been employed in quantum communication, imaging, and sensing. To characterize quantum entangled state with long-wavelength (inf…
Three-dimensional entanglement on a silicon chip
Liangliang Lu, Lijun Xia, Zhiyu Chen +9
Entanglement is a counterintuitive feature of quantum physics that is at the heart of quantum technology. High-dimensional quantum states offer unique advantages in various quantum…