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Security of quantum key distribution with virtual mutually unbiased bases
In a perfect quantum key distribution (QKD) protocol, quantum states should be prepared and measured with mutually unbiased bases (MUBs). However, in...
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Fiber-based quantum secure direct communication without active polarization compensation
Quantum secure direct communication (QSDC) that allows people to directly transmit confidential information through insecure channels is an important...
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A cost-efficient quantum access network with qubit-based synchronization
Quantum key distribution (QKD) is a physical layer encryption technique that enables two distant parties to exchange secure keys with...
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Experimental quantum secret sharing based on phase encoding of coherent states
Quantum secret sharing (QSS) is one of the basic communication primitives in future quantum networks which addresses part of the basic cryptographic...
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Two-Party Quantum Private Comparison with Four-Particle Entangled States
A two-party quantum private comparison (QPC) protocol is constructed with four-particle entangled states, where the third party (TP) is assumed to be...
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A Novel Practical Quantum Secure Direct Communication Protocol
A novel practical quantum secure direct communication (QSDC) protocol is constructed by utilizing the evolution law of atom via cavity QED. It...
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Controlled Quantum Dialogue with Five-Qubit Entangled States
In this paper, a controlled quantum dialogue protocol is designed based on five-qubit entangled states. One five-qubit entangled state can be used to...
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Controlled Bidirectional Quantum Secure Direct Communication with Six-Qubit Entangled States
In this paper, a controlled bidirectional quantum secure direct communication (CBQSDC) protocol is proposed by using six-qubit entangled states. It...
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Practical decoy-state quantum secure direct communication
Quantum secure direct communication (QSDC) has been demonstrated in both fiber-based and free-space channels using attenuated lasers. Decoy-state...
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Participant attack on the deterministic measurement-device-independent quantum secret sharing protocol
In a recent article [Gao et al., Sci. China-Phys. Mech. Astron. 63 , 120311 (2020)], a two-receiver measurement-device-independent quantum secret...
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Multi-Party Quantum Private Comparison Based on Entanglement Swap** of Bell Entangled States within d-Level Quantum System
In this paper, a multi-party quantum private comparison (MQPC) scheme is suggested based on entanglement swap** of Bell entangled states within d -le...
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Quantum Secure Multiparty Summation Based on the Phase Shifting Operation of d-Level Quantum System and its Application
A quantum secure multiparty summation protocol is constructed based on the phase shifting operation of d -level quantum system which utilizes the...
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Detector-Device-Independent Quantum Key Agreement Based on Single-Photon Bell State Measurement
Quantum key agreement (QKA) is an important primitive of quantum cryptography and has attracted continuous attention. However, in practical QKA, the...
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Deterministic measurement-device-independent quantum secret sharing
Multiparty quantum communication ensures information-theoretic security for transmitting private information among multiuser networks. In principle,...
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Multi-User Quantum Private Query Protocol
Recently, Gao et al. suggested a flexible quantum private query (QPQ) protocol (Opt Express, 2012, 20(16):17411) through Jakobi et al.’s...
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Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation
Quantum computing is a game-changing technology for global academia, research centers and industries including computational science, mathematics,...
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Reveal the lost entanglement for accelerated atoms in the high-dimensional spacetime
When atoms are accelerated in the vacuum, entanglement among atoms will degrade compared with the initial situation before the acceleration. In this...
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Improvement of Quantum Protocols for Secure Multi-Party Summation
Secure multi-party quantum summation is an important branch of secure multi-party quantum computation. Recently, Ji et al. suggested a secure...
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Improvement of multi-party quantum private comparison protocol using d-dimensional basis states without entanglement swap**
Recently, Gu et al. (2019, ar**v:1907.02656) and Zhang et al. (Quantum Inf Process (2019)18:336) independently pointed out that in Yang et al. ’s ...
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Rate compatible reconciliation for continuous-variable quantum key distribution using Raptor-like LDPC codes
In the practical continuous-variable quantum key distribution (CV-QKD) system, the postprocessing process, particularly the error correction part,...