4 papers
Detecting Complex-Energy Braiding Topology in a Dissipative Atomic Simulator with Transformer-Based Geometric Tomography
Yang Yue, Nan Li, Xin Zhang +8
Machine learning (ML) is shaping our exploration of topological matter, whose existence is inherently tied to the geometry of quantum states or energy spectra. In non-Hermitian sys…
Ferromagnetic Traps for Quasi-Continuous Operation of Optical Nanofiber Interfaces
Ruijuan Liu, Jinggu Wu, Yuan Jiang +2
A soft ferromagnetic plate uniformizes Tesla-level fields generated by attached permanent magnets, producing a smooth and electronically tunable surface field on the opposite side.…
Voltage and power-frequency electric field measurements with Rydberg-atom interferometry
Yingying Han, Changfa He, Zhenxiong Weng +3
We present a Rydberg-atom interferometry-based technique for voltage measurement between electrodes embedded in an atomic vapor cell, enabling the detection of weak voltages ($<0.1…
Phase-sensitive Rydberg-atom interferometry with Floquet electromagnetically induced transparency
Yingying Han, Changfa He, Peng Xu +3
We design a phase-sensitive Rydberg-atom interferometry by implementing Floquet electromagnetically induced transparency (FEIT). The FEIT mixes the sidebands of a Rydberg state ind…