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Updated: Dec 31, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
Published on: September 5, 2019
Quantum random number generators with entanglement for public randomness testing.
Janusz E Jacak1, Witold A Jacak2, Wojciech A Donderowicz3
1Department of Quantum Technologies, Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370, Wrocław, Poland. janusz.jacak@pwr.edu.pl.
This study introduces a quantum entanglement protocol for secure random number generation. It enables complex public randomness testing without compromising secret bit sequences, speeding up the process with more qubits.
Area of Science:
- Quantum Information Science
- Cryptography
- Quantum Computing
Background:
- Random number generation is crucial for secure communication and scientific simulations.
- Current methods face challenges in ensuring true randomness and preventing tampering.
- Quantum entanglement offers a novel approach to address these limitations.
Purpose of the Study:
- To present a quantum entanglement-based protocol for quantum random number generation (QRNG).
- To enable a trusted third party to conduct comprehensive randomness tests.
- To ensure the secrecy of generated random bit sequences during testing.
Main Methods:
- Utilizing a simple, idealistic quantum entanglement protocol.
- Implementing public randomness testing procedures.
- Leveraging the properties of entangled qubits for verification.
Main Results:
- The protocol allows for arbitrarily complex randomness tests.
- Secrecy of the generated bit sequences is maintained throughout the testing process.
- The average time for randomness testing is reduced, especially with more entangled qubits.
Conclusions:
- The proposed protocol offers a secure and efficient method for quantum random number generation.
- It enhances the trustworthiness of random number generation through verifiable testing.
- This approach has implications for secure communications and advanced quantum applications.
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