40Gbps Tri-type Quantum Random Number Generator

• URL: http://arxiv.org/abs/2506.05627v1
• Date: Thu, 05 Jun 2025 23:09:16 GMT
• Title: 40Gbps Tri-type Quantum Random Number Generator
• Authors: Jiapeng Zhao, Eneet Kaur, Michael Kilzer, Yihan Liu, Hassan Shapourian, Ramana Kompella, Reza Nejabati,
• Abstract summary: We develop a quantum random number generator that can on-demand produce three distribution types of random numbers at over 60 Gbits/s raw bits.<n>After randomness extraction, over 42 Gbps secure bit rate is demonstrated for uniform random numbers, and over 14 Gbps secure bit rate for Gaussian random number.<n>The random numbers pass NIST and Dieharder tests, and are available for various applications, which can be continuously accessed via Cisco Quantum Random Number web service.
• Score: 0.9333512455090455
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Traditional quantum random number generators can produce only one type of random number, while the optimal distribution of random numbers for different applications is usually distinct. The typical solution to this challenge is either using different quantum phenomena for different types of random number, or converting one distribution of random numbers to another type. However, the former solution requires multiple hardware systems, while the latter one sacrifices a lot of secure bits. Here, we develop a quantum random number generator that can on-demand produce three distribution types of random numbers at over 60 Gbits/s (Gbps) raw bits by measuring the quantum vacuum noise. After randomness extraction, over 42 Gbps secure bit rate is demonstrated for uniform random numbers, and over 14 Gbps secure bit rate for Gaussian random number. Due to the lack of Rayleigh randomness extraction, only denoised Rayleigh raw bits are generated. Switching between different types of random numbers is achieved in electronics, which does not affect the generation rate. The random numbers pass NIST and Dieharder tests, and are available for various applications, which can be continuously accessed via Cisco Quantum Random Number web service.

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