Wireless power transfer based on novel physical concepts

M Song, P Jayathurathnage, E Zanganeh… - Nature …, 2021 - nature.com
Wireless power transfer—the transmission of electromagnetic energy without physical
connectors such as wires or waveguides—typically exploits electromagnetic field control …

Non-Hermitian topological magnonics

T Yu, J Zou, B Zeng, JW Rao, K Xia - Physics Reports, 2024 - Elsevier
Dissipation in mechanics, optics, acoustics, and electronic circuits is nowadays recognized
to be not always detrimental but can be exploited to achieve non-Hermitian topological …

Creating pairs of exceptional points for arbitrary polarization control: asymmetric vectorial wavefront modulation

Z Yang, PS Huang, YT Lin, H Qin… - Nature …, 2024 - nature.com
Exceptional points (EPs) can achieve intriguing asymmetric control in non-Hermitian
systems due to the degeneracy of eigenstates. Here, we present a general method that …

Stochastic exceptional points for noise-assisted sensing

Z Li, C Li, Z Xiong, G Xu, YR Wang, X Tian, X Yang… - Physical Review Letters, 2023 - APS
Noise is a fundamental challenge for sensors deployed in daily environments for ambient
sensing, health monitoring, and wireless networking. Current strategies for noise mitigation …

Spectral sensitivity near exceptional points as a resource for hardware encryption

M Yang, L Zhu, Q Zhong, R El-Ganainy… - Nature …, 2023 - nature.com
The spectral sensitivity near exceptional points (EPs) has been recently explored as an
avenue for building sensors with enhanced sensitivity. However, to date, it is not clear …

Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre

A Bergman, R Duggan, K Sharma, M Tur… - Nature …, 2021 - nature.com
The exotic physics emerging in non-Hermitian systems with balanced distributions of gain
and loss has recently drawn a great deal of attention. These systems exhibit phase …

Synergetic positivity of loss and noise in nonlinear non-Hermitian resonators

Z Li, C Li, G Xu, W Chen, Z Xiong, H Jing, JS Ho… - Science …, 2023 - science.org
Loss and noise are usually undesirable in electronics and optics, which are generally
mitigated by separate ways in the cost of bulkiness and complexity. Recent studies of non …

Electromagnetically unclonable functions generated by non-Hermitian absorber-emitter

M Yang, Z Ye, H Pan, M Farhat, AE Cetin, PY Chen - Science Advances, 2023 - science.org
Physically unclonable functions (PUFs) are a class of hardware-specific security primitives
based on secret keys extracted from integrated circuits, which can protect important …

Realizing exceptional points of any order in the presence of symmetry

S Sayyad, FK Kunst - Physical Review Research, 2022 - APS
Exceptional points (EPs) appear as degeneracies in the spectrum of non-Hermitian matrices
at which the eigenvectors coalesce. In general, an EP of order n may find room to emerge if …

Non‐Hermitian Control of Topological Scattering Singularities Emerging from Bound States in the Continuum

Z Sakotic, P Stankovic, V Bengin… - Laser & Photonics …, 2023 - Wiley Online Library
Leveraging topological properties in the response of electromagnetic systems can greatly
enhance their potential. Although the investigation of singularity‐based electromagnetics …