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quant-ph2025

On the Equivalence between Classical Position Verification and Certified Randomness

Fatih Kaleoglu, Minzhao Liu, Kaushik Chakraborty +4

Gate-based quantum computers hold enormous potential to accelerate classically intractable computational tasks. Random circuit sampling (RCS) is the only known task that has been a…

quant-ph2025

Certified randomness using a trapped-ion quantum processor

Minzhao Liu, Ruslan Shaydulin, Pradeep Niroula +29

While quantum computers have the potential to perform a wide range of practically important tasks beyond the capabilities of classical computers, realizing this potential remains a…

quant-ph2025

Applications of Certified Randomness

Omar Amer, Shouvanik Chakrabarti, Kaushik Chakraborty +8

Certified randomness can be generated with untrusted remote quantum computers using multiple known protocols, one of which has been recently realized experimentally. Unlike the ran…

quant-ph2024

On the Relativistic Zero Knowledge Quantum Proofs of Knowledge

Kaiyan Shi, Kaushik Chakraborty, Wen Yu Kon +3

We initiate the study of relativistic zero-knowledge quantum proof of knowledge systems with classical communication, formally defining a number of useful concepts and constructing…

quant-ph2024

Quantum Authenticated Key Expansion with Key Recycling

Wen Yu Kon, Jefferson Chu, Kevin Han Yong Loh +5

Data privacy and authentication are two main security requirements for remote access and cloud services. While QKD has been explored to address data privacy concerns, oftentimes it…

quant-ph2024

100 Gbps Quantum-safe IPsec VPN Tunnels over 46 km Deployed Fiber

Obada Alia, Albert Huang, Huan Luo +3

We demonstrated for the first time quantum-safe high-speed 100 Gbps site-to-site IPsec tunnels secured using Quantum Key Distribution (QKD) technology. The demonstration was conduc…