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Certified randomness amplification by dynamically probing remote random quantum states
Minzhao Liu, Pradeep Niroula, Matthew DeCross +49
Cryptography depends on truly unpredictable numbers, but physical sources emit biased or correlated bits. Quantum mechanics enables the amplification of imperfect randomness into n…
Device-Independent Private Quantum Randomness Beacon
Ignatius William Primaatmaja, Hong Jie Ng, Koon Tong Goh
Device-independent quantum random number generation (DIQRNG) is the gold standard for generating truly random numbers, as it can produce certifiably random numbers from untrusted d…
Efficient Multi-basis Quantum Position Verification Secure against Generalized Adversaries
Wen Yu Kon, Ignatius William Primaatmaja, Kaushik Chakraborty +1
Quantum position verification (QPV) enables multiple verifiers to certify a prover's location using quantum communication and physical assumptions. With experimental demonstrations…
Self-testing quantum randomness expansion on an integrated photonic chip
Gong Zhang, Ignatius William Primaatmaja, Yue Chen +7
The power of quantum random number generation is more than just the ability to create truly random numbers$\unicode{x2013}$it can also enable self-testing, which allows the user to…
Discrete-modulated continuous-variable quantum key distribution secure against general attacks
Ignatius William Primaatmaja, Wen Yu Kon, Charles Lim
In recent years, discrete-modulated continuous-variable quantum key distribution (DM-CV-QKD) has gained traction due to its practical advantages: cost-effectiveness, simple state p…
Sampled sub-block hashing for large input randomness extraction
Hong Jie Ng, Wen Yu Kon, Ignatius William Primaatmaja +2
Randomness extraction is an essential post-processing step in practical quantum cryptography systems. When statistical fluctuations are taken into consideration, the requirement of…