Investigating a Device Independence Quantum Random Number Generation

• URL: http://arxiv.org/abs/2406.01132v1
• Date: Mon, 3 Jun 2024 09:23:24 GMT
• Title: Investigating a Device Independence Quantum Random Number Generation
• Authors: Vardaan Mongia, Abhishek Kumar, Shashi Prabhakar, Anindya Banerji, R. P. Singh,
• Abstract summary: We certify randomness with the aid of quantum entanglement in a device independent setting. The CHSH inequality violation and quantum state tomography are used as independent checks on the measurement devices.
• Score: 4.902256682663188
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Quantum random number generation (QRNG) is a resource that is a necessity in the field of cryptography. However, its certification has been challenging. In this article, we certify randomness with the aid of quantum entanglement in a device independent setting, where we choose two-photon interference for source characterisation. The CHSH inequality violation and quantum state tomography are used as independent checks on the measurement devices. These measures ensure the unpredictability of quantum random number generation. This work can be easily extended to faster randomness expansion protocols.

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