6 papers · 1 filter
Converting Quantum Sensing Noise into Erasures
Xingyu Liu, Zhaotong Cui, Binke Xia +4
Erasures are more favorable for quantum sensing than unflagged errors such as Pauli errors. However, realistic sensing noise does not usually appear as erasures; it often acts with…
Scaling Enhancement in Distributed Quantum Sensing via Bidirectional Causal Routing
Binke Xia, Zhaotong Cui, Jingzheng Huang +2
Sensing networks underpin applications ranging from fundamental physics to real-world engineering. Distributed quantum sensing (DQS) can improve measurement performance, but existi…
Scaling Enhancement in Quantum Metrology via Indefinite-Time-Direction Encoding
Binke Xia, Jingzheng Huang, Yuxiang Yang +1
The precision limit in quantum metrology, quantified by the root-mean-square error of parameter estimation, is conventionally expected to improve at most linearly with the total in…
Toward Incompatible Quantum Limits on Multiparameter Estimation
Binke Xia, Jingzheng Huang, Hongjing Li +2
Achieving the ultimate precisions for multiple parameters simultaneously is an outstanding challenge in quantum physics, because the optimal measurements for incompatible parameter…
High Precision Multi-parameter Weak Measurement with Hermite-Gaussian Pointer
Binke Xia, Jingzheng Huang, Chen Fang +2
The weak value amplification technique has been proved useful for precision metrology in both theory and experiment. To explore the ultimate performance of weak value amplification…
Nanoradian-Scale Precision in Light Rotation Measurement via Indefinite Quantum Dynamics
Binke Xia, Jingzheng Huang, Hongjing Li +2
The manipulation and metrology of light beams are pivotal for optical science and applications. In particular, achieving ultra-high precision in the measurement of light beam rotat…