Magnetic‐driven broadband epsilon‐near‐zero materials at radio frequency

K Sun, C Wang, J Tian, Z Zhang, N Zeng… - Advanced Functional …, 2024 - Wiley Online Library
Abstract Epsilon‐near‐zero (ENZ) materials, exhibiting unique physical characteristics such
as near‐zero refraction, have aroused extensive interest and exhibit great potentials in novel …

Loss compensation and superresolution in metamaterials with excitations at complex frequencies

S Kim, YG Peng, S Yves, A Alù - Physical Review X, 2023 - APS
Metamaterials, from optics to radio frequencies and acoustics, have attracted significant
attention over the last few decades, with promising applications in a wide range of …

Compensating losses in polariton propagation with synthesized complex frequency excitation

F Guan, X Guo, S Zhang, K Zeng, Y Hu, C Wu… - Nature Materials, 2024 - nature.com
Surface plasmon polaritons and phonon polaritons offer a means of surpassing the
diffraction limit of conventional optics and facilitate efficient energy storage, local field …

Plasma ignition via high-power virtual perfect absorption

T Delage, J Sokoloff, O Pascal, V Mazières… - ACS …, 2023 - ACS Publications
Plasma ignition is critical in various scientific and industrial applications, demanding an
efficient and robust execution mechanism. In this work, we present an innovative approach …

Synthesized complex-frequency excitation for ultrasensitive molecular sensing

K Zeng, C Wu, X Guo, F Guan, Y Duan, LL Zhang… - eLight, 2024 - Springer
Sensors have emerged as indispensable analytical tools across a wide range of important
fields, encompassing environmental monitoring, food safety, and public health. They …

Controlling acoustic non-Hermitian skin effect via synthetic magnetic fields

H Gao, W Zhu, H Xue, G Ma, Z Su - Applied Physics Reviews, 2024 - pubs.aip.org
Non-Hermitian skin effect (NHSE) is an intrinsic non-Hermitian phenomenon where an
extensive number of eigenmodes, called skin modes, are localized at the boundary of a …

Efficient excitation and control of integrated photonic circuits with virtual critical coupling

J Hinney, S Kim, GJK Flatt, I Datta, A Alù… - Nature …, 2024 - nature.com
Critical coupling in integrated photonic devices enables the efficient transfer of energy from
a waveguide to a resonator, a key operation for many applications. This condition is …

Complex-frequency waves: beat loss and win sensitivity

Q Cheng, T Li - Light: Science & Applications, 2024 - nature.com
Recent experiments have demonstrated that synthesized complex-frequency waves can
impart a virtual gain to molecule sensing systems, which can effectively restore information …

Anomalies in light scattering: A circuit-model approach

D Trivedi, A Madanayake, A Krasnok - Physical Review Applied, 2024 - APS
Photonics is crucial for communication and computing, as it involves controlling how light
scatters. Recent breakthroughs like bound states in the continuum (BICs) and parity-time …

Cascaded metasurfaces enabling adaptive aberration corrections for focus scanning

X Li, X Cai, C Liu, Y Kim, T Badloe, H Liu… - Opto-Electronic …, 2024 - oejournal.org
Scanning focused light with corrected aberrations holds great importance in high-precision
optical systems. However, conventional optical systems, relying on additional dynamical …