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Quantum Cryptography Security Quantum Simulation

Quantum random number generation from the continuous variable payload for the SPOQC mission

arXiv
Authors: Vinod N. Rao, Killian Murphy, Fadi Ahwal, Emma Tien Hwai Medlock, Timothy P. Spiller, Rupesh Kumar

Year

2025

Paper ID

15897

Status

Preprint

Abstract Read

~2 min

Abstract Words

119

Citations

N/A

Abstract

The necessity of random numbers for various tasks, from simulation to cryptography, is crucial and immense. Here we demonstrate CV-QRNG using the CV payload of the SPOQC mission. The homodyne setup for QRNG uses the laser from the payload, in addition to potentially being used as detector in the case of an uplink scenario. Here we quantify the extractable secure randomness from the QRNG setup, that involves homodyne measurement of the vacuum states. The extracted randomness is tested against NIST test suite in addition to formally upper bounding the min-entropy. With the raw key length being approx1 Mb in a given satellite pass, we get a total length of approx19.5 Kb of certified random numbers from the 12-bit ADC.

Why This Paper Matters

  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
  • It adds a 2025 reference point for readers tracking recent quantum research.
  • The necessity of random numbers for various tasks, from simulation to cryptography, is crucial and immense.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2512.09716 [2] arXiv https://arxiv.org/abs/2512.09716 [3] Publisher https://arxiv.org/abs/2512.09716

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