3 papers
quant-ph2026
Temporal modulation as a resource: enhanced frequency estimation in continuous variable systems
Ningxin Kong, Qiongyi He, Matteo G. A. Paris
Frequency estimation, a cornerstone of quantum metrology, has been significantly enhanced by advanced quantum sensing strategies. However, most protocols rely either on static or t…
quant-ph2025
Non-commutativity as a Universal Characterization for Enhanced Quantum Metrology
Ningxin Kong, Haojie Wang, Mingsheng Tian +4
A central challenge in quantum metrology is to effectively harness quantum resources to surpass classical precision bounds. Although recent studies suggest that the indefinite caus…
quant-ph2025
Exceptional-Point-Induced Nonequilibrium Entanglement Dynamics in Bosonic Networks
Chenghe Yu, Mingsheng Tian, Ningxin Kong +3
Exceptional points (EPs), arising in non-Hermitian systems, have garnered significant attention in recent years, enabling advancements in sensing, wave manipulation, and mode selec…