Experimentally Generated Randomness Certified by the Impossibility of Superluminal Signals
Random numbers are an important resource for applications such as numerical simulation and secure communication. However, it is difficult to certify whether a physical random number generator is truly unpredictable. Here, we exploit the phenomenon of quantum nonlocality in a loophole-free photonic Bell test experiment for the generation of randomness that cannot be predicted within any physical theory that allows one to make independent measurement choices and prohibits superluminal signaling. To certify and quantify the randomness, we describe a new protocol that performs well in an experimental regime characterized by low violation of Bell inequalities. Applying an extractor function to our data, we obtained 256 new random bits, uniform to within 0.001. arXiv:1702.05178
Complete Metadata
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| description | Random numbers are an important resource for applications such as numerical simulation and secure communication. However, it is difficult to certify whether a physical random number generator is truly unpredictable. Here, we exploit the phenomenon of quantum nonlocality in a loophole-free photonic Bell test experiment for the generation of randomness that cannot be predicted within any physical theory that allows one to make independent measurement choices and prohibits superluminal signaling. To certify and quantify the randomness, we describe a new protocol that performs well in an experimental regime characterized by low violation of Bell inequalities. Applying an extractor function to our data, we obtained 256 new random bits, uniform to within 0.001. arXiv:1702.05178 |
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| identifier | 63B8D44FD72FCC6BE0531A57068170351888 |
| keyword |
[
"Bell test",
"device-independent",
"loophole-free",
"quantum",
"random",
"random number generator",
"randomness"
]
|
| landingPage | https://data.nist.gov/od/id/63B8D44FD72FCC6BE0531A57068170351888 |
| language |
[
"en"
]
|
| license | https://www.nist.gov/open/license |
| modified | 2017-06-01 00:00:00 |
| programCode |
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| publisher |
{
"name": "National Institute of Standards and Technology",
"@type": "org:Organization"
}
|
| references |
[
"https://arxiv.org/abs/1702.05178"
]
|
| theme |
[
"Physics:Quantum information science"
]
|
| title | Experimentally Generated Randomness Certified by the Impossibility of Superluminal Signals |
