Author

Xiao-Yu Ai

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Preprint Sep 2026

Synchronized Quantum Devices in Lossy Channels

Due to their tight temporal coupling, entangled photon pairs produced by spontaneous parametric down-conversion offer a new route to improved network synchronization among quantum-enabled devices. In the emerging space-based quantum internet, such synchronization will be pivotal to operational success. Here, we propose...

Ravi Singh Adhikari, Aman Gupta, Xiao-Yu Ai et al. · 0 citations

Preprint Aug 2026

Quantum Secure Time Transfer for Satellites

We experimentally demonstrate an entanglement-based Quantum-Secure Time Transfer (QSTT) system in an emulated low Earth orbit satellite-to-ground channel using a type-0 Sagnac-based entangled-photon source. Our new QSTT system delivers a finite Quantum Key Distribution (QKD) key rate of approximately $3~$bits$~\text{s}...

Ravi Singh Adhikari, Anju Rani, Aman Gupta et al. · 1 citation