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Topological spin texture of chiral edge states in photonic two-dimensional quantum walks
Chao Chen, Xing Ding, Jian Qin +7
Topological insulators host topology-linked boundary states, whose spin and charge degrees of freedom could be exploited to design topological devices with enhanced functionality.…
Schrödinger-Heisenberg Variational Quantum Algorithms
Zhong-Xia Shang, Ming-Cheng Chen, Xiao Yuan +2
Recent breakthroughs have opened the possibility to intermediate-scale quantum computing with tens to hundreds of qubits, and shown the potential for solving classical challenging…
Device-Independent-Quantum-Randomness-Enhanced Zero-Knowledge Proof
Cheng-Long Li, Kai-Yi Zhang, Xingjian Zhang +15
Zero-knowledge proof (ZKP) is a fundamental cryptographic primitive that allows a prover to convince a verifier of the validity of a statement without leaking any further informati…
Practical quantum access network over a 10 Gbit/s Ethernet passive optical network
Bi-Xiao Wang, Shi-Biao Tang, Yingqiu Mao +5
Quantum key distribution (QKD) provides an information-theoretically secure method to share keys between legitimate users. To achieve large-scale deployment of QKD, it should be ea…
Device-independent quantum key distribution with random postselection
Feihu Xu, Yu-Zhe Zhang, Qiang Zhang +1
Device-independent quantum key distribution (QKD) can permit the superior security even with unknown devices. In practice, however, the realization of device-independent QKD is tec…
Photonic verification of device-independent quantum key distribution against collective attacks
Wen-Zhao Liu, Yu-Zhe Zhang, Yi-Zheng Zhen +6
In this paper, we employ theoretical and experimental efforts and realize a proof-of-principle verification of device-independent QKD based on the photonic setup. On the theoretica…