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Updated: Sep 29, 2025
07:56
A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
8.6K
Splitting an Arbitrary Three-Qubit State via a Five-Qubit Cluster State and a Bell State
Gang Xu1,2, Tianai Zhou3, Xiu-Bo Chen3
1School of Information Science and Technology, North China University of Technology, Beijing 100144, China.
Entropy (Basel, Switzerland)
|March 25, 2022
Summary
This study introduces a novel quantum information splitting (QIS) scheme using a five-qubit cluster state. The method enhances efficiency and security for transmitting quantum states, reducing qubit consumption.
Area of Science:
- Quantum Information Science
- Quantum Communication Protocols
- Quantum Cryptography
Background:
- Quantum information splitting (QIS) enables secure transmission of quantum states via classical and quantum channels.
- Existing QIS schemes often require complex multi-particle joint measurements.
Purpose of the Study:
- To propose a new, efficient, and secure QIS scheme.
- To simplify the operational requirements for quantum information splitting.
Main Methods:
- Utilizes a five-qubit cluster state and a Bell state.
- Employs sequential Bell basis measurements and single-qubit measurements.
- Information recovery involves local unitary operations.
Main Results:
- Successfully splits and transmits an unknown three-qubit quantum state to two agents.
- Achieves QIS through simpler operations than multi-particle joint measurements.
- Demonstrates improved efficiency and reduced qubit consumption compared to prior schemes.
Conclusions:
- The proposed scheme offers a practical and efficient approach to quantum information splitting.
- The protocol is resilient against both external eavesdropping and internal participant attacks.
- This work contributes to the advancement of secure quantum communication.
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