Non-Hermitian photonic band winding and skin effects: a tutorial
Non-Hermitian band structures have gained considerable attention due to the novel
phenomena not present in their Hermitian counterparts and their connection to various …
phenomena not present in their Hermitian counterparts and their connection to various …
Normalization, orthogonality, and completeness of quasinormal modes of open systems: the case of electromagnetism
The scattering of electromagnetic waves by resonant systems is determined by the excitation
of the quasinormal modes (QNMs), ie the eigenmodes, of the system. This Review …
of the quasinormal modes (QNMs), ie the eigenmodes, of the system. This Review …
Nonreciprocal infrared absorption via resonant magneto-optical coupling to InAs
Nonreciprocal elements are a vital building block of electrical and optical systems. In the
infrared regime, there is a particular interest in structures that break reciprocity because their …
infrared regime, there is a particular interest in structures that break reciprocity because their …
Reconfigurable intelligent surfaces: Channel characterization and modeling
Reconfigurable intelligent surfaces (RISs) are 2-D metasurfaces, which can intelligently
manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is …
manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is …
Light control with Weyl semimetals
Weyl semimetals are topological materials whose electron quasiparticles obey the Weyl
equation. They possess many unusual properties that may lead to new applications. This is …
equation. They possess many unusual properties that may lead to new applications. This is …
Evolution and nonreciprocity of loss-induced topological phase singularity pairs
Singular behaviors are increasingly being found in structures supporting bound states in the
continuum (BICs), while the nonreciprocity with spectral phase singularity has not been …
continuum (BICs), while the nonreciprocity with spectral phase singularity has not been …
Space and time modulations of light with metasurfaces: recent progress and future prospects
In this Perspective, we discuss the different opportunities offered by time-modulated
metasurfaces for dynamic wavefront engineering and space-time photonics. Efforts in …
metasurfaces for dynamic wavefront engineering and space-time photonics. Efforts in …
Amplification and Manipulation of Nonlinear Electromagnetic Waves and Enhanced Nonreciprocity using Transmissive Space‐Time‐Coding Metasurface
X Wang, J Han, S Tian, D **a, L Li, TJ Cui - Advanced science, 2022 - Wiley Online Library
A novel amplifier‐based transmissive space‐time‐coding metasurface is presented to
realize strongly nonlinear controls of electromagnetic (EM) waves in both space and …
realize strongly nonlinear controls of electromagnetic (EM) waves in both space and …
Loss-induced nonreciprocity
Nonreciprocity is important in both optical information processing and topological photonics
studies. Conventional principles for realizing nonreciprocity rely on magnetic fields …
studies. Conventional principles for realizing nonreciprocity rely on magnetic fields …
[HTML][HTML] Broadband asymmetric absorption-transmission and double-band rasorber of electromagnetic waves based on superconductor ceramics metastructures …
L Lei, BF Wan, SY Liao, HF Zhang - Engineering Science and Technology …, 2024 - Elsevier
In this paper, a kind of superconductor ceramics metastructure-photonic crystals (SCMPC) is
proposed to investigate the absorption and transmission properties of electromagnetic …
proposed to investigate the absorption and transmission properties of electromagnetic …