Partial Loopholes Free Device Independent Quantum Random Number Generator Using IBM's Quantum Computers

TL;DR

This paper demonstrates a scheme for generating device-independent quantum random numbers using IBM's cloud quantum computers, testing their randomness through CHSH inequality violations and addressing loopholes for enhanced security.

Contribution

It introduces a novel method to generate and certify quantum random numbers on cloud-based quantum computers, focusing on closing loopholes for device independence.

Findings

Successful violation of CHSH inequality on IBM quantum computers

Characterization of quantum computers' performance in CHSH tests

Progress towards loophole-free device-independent quantum random number generation

Abstract

Random numbers form an intrinsic part of modern day computing with applications in a wide variety of fields. But due to their limitations, the use of pseudo random number generators (PRNGs) is certainly not desirable for sensitive applications. Quantum systems due to their intrinsic randomness form a suitable candidate for generation of true random numbers that can also be certified. In this work, the violation of CHSH inequality has been used to propose a scheme by which one can generate device independent quantum random numbers by use of IBM quantum computers that are available on the cloud. The generated random numbers have been tested for their source of origin through experiments based on the testing of CHSH inequality through available IBM quantum computers. The performance of each quantum computer against the CHSH test has been plotted and characterized. Further, efforts have been made to close as many loopholes as possible to produce device independent quantum random number generators. This study will provide new directions for the development of self-testing and semi-self-testing random number generators using quantum computers.