New topological invariants in non-Hermitian systems

A Ghatak, T Das - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Both theoretical and experimental studies of topological phases in non-Hermitian systems
have made a remarkable progress in the last few years of research. In this article, we review …

Plasmonic surface lattice resonances: Theory and computation

C Cherqui, MR Bourgeois, D Wang… - Accounts of chemical …, 2019 - ACS Publications
Conspectus Plasmonic surface lattice resonances (SLRs) are mixed light–matter states
emergent in a system of periodically arranged metallic nanoparticles (NPs) under the …

Advances and prospects in topological nanoparticle photonics

MS Rider, Á Buendía, DR Abujetas, PA Huidobro… - ACS …, 2022 - ACS Publications
Topological nanophotonics is a new avenue for exploring nanoscale systems from visible to
THz frequencies, with unprecedented control. By embracing their complexity and fully …

Topological edge and corner states in a two-dimensional photonic Su-Schrieffer-Heeger lattice

M Kim, J Rho - Nanophotonics, 2020 - degruyter.com
Implementation of topology on photonics has opened new functionalities of photonic
systems such as topologically protected boundary modes. We theoretically present …

Topological plasmonic chain with retardation and radiative effects

SR Pocock, X ** in the topological plasmonic chain
SR Pocock, PA Huidobro, V Giannini - Nanophotonics, 2019 - degruyter.com
The existence of topologically protected edge modes is often cited as a highly desirable trait
of topological insulators. However, these edge states are not always present. A realistic …

Optical control over thermal distributions in topologically trivial and non-trivial plasmon lattices

MR Bourgeois, AW Rossi, S Khorasani… - ACS …, 2022 - ACS Publications
Emergent from the discrete spatial periodicity of plasmonic arrays, surface lattice
resonances (SLRs) are characterized as dispersive, high-quality polaritonic modes that can …