Controlled entanglement source for quantum cryptography
arXiv:2305.01946 · doi:10.1103/PhysRevApplied.19.054048
Abstract
Quantum entanglement has become an essential resource in quantum information processing. Existing works employ entangled quantum states to perform various tasks, while little attention is paid to the control of the resource. In this work, we propose a simple protocol to upgrade an entanglement source with access control through phase randomization at the optical pump. The enhanced source can effectively control all users in utilizing the entanglement resource to implement quantum cryptography. In addition, we show this control can act as a practical countermeasure against memory attack on device-independent quantum key distribution at a negligible cost. To demonstrate the feasibility of our protocol, we implement an experimental setup using just off-the-shelf components and characterize its performance accordingly.
arXiv comment9 pages, 7 figures, comments are welcome! Looking forward to collaborations!
References in corpus (32)
- Quantum cryptography: Public key distribution and coin tossing
- Quantum secret sharing
- Experimental loophole-free violation of a Bell inequality using entangled electron spins separated by 1.3 km
- Bell nonlocality
- Decoy State Quantum Key Distribution
- Measurement-device-independent quantum key distribution
- Device-independent security of quantum cryptography against collective attacks
- Secure quantum key distribution with realistic devices
- Significant-loophole-free test of Bell's theorem with entangled photons
- Beating the PNS attack in practical quantum cryptography
- A strong loophole-free test of local realism
- How to share a quantum secret
- Overcoming the rate-distance barrier of quantum key distribution without using quantum repeaters
- No Signalling and Quantum Key Distribution
- From Bell's Theorem to Secure Quantum Key Distribution
- Device-independent quantum key distribution secure against collective attacks
- An information-theoretic security proof for QKD protocols
- Entanglement-based wavelength multiplexed quantum communication network
- Chip-to-chip quantum teleportation and multi-photon entanglement in silicon
- Experimental device-independent quantum key distribution between distant users
- A trusted-node-free eight-user metropolitan quantum communication network
- Experimental Quantum Secret Sharing and Third-Man Quantum Cryptography
- Memory Attacks on Device-Independent Quantum Cryptography
- A local hidden variable model of quantum correlation exploiting the detection loophole
- A fast and versatile QKD system with hardware key distillation and wavelength multiplexing
- Photonic verification of device-independent quantum key distribution against collective attacks
- Continuous entanglement distribution over a transnational 248 km fibre link
- Twin-field quantum key distribution without optical frequency dissemination
- Quantum secret sharing with polarization-entangled photon pairs
- A scalable network for simultaneous pairwise quantum key distribution via entanglement-based time-bin coding
- Noisy pre-processing facilitating a photonic realisation of device-independent quantum key distribution
- A directly phase-modulated light source
Cited by in corpus (5)
- Device-independent quantum secret sharing with noise preprocessing and postselection
- Bright Heralded Single-Photon Source Saturating Theoretical Single-photon Purity
- Multipartite entanglement measures based on the thermodynamic framework
- Steering nonlocality in high-speed telecommunication system without detection loophole
- Exact Solvability Of Entanglement For Arbitrary Initial State in an Infinite-Range Floquet System