Normalization, orthogonality, and completeness of quasinormal modes of open systems: the case of electromagnetism

C Sauvan, T Wu, R Zarouf, EA Muljarov, P Lalanne - Optics Express, 2022 - opg.optica.org
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 …

Resonant states and their role in nanophotonics

S Both, T Weiss - Semiconductor Science and Technology, 2021 - iopscience.iop.org
Resonant phenomena have been extensively used in micro-and nanophotonics.
Mathematically, these phenomena originate in a discrete set of basis functions known as …

[HTML][HTML] Temporal coupled-mode theory in nonlinear resonant photonics: From basic principles to contemporary systems with 2D materials, dispersion, loss, and gain

T Christopoulos, O Tsilipakos, EE Kriezis - Journal of Applied Physics, 2024 - pubs.aip.org
Temporal coupled-mode theory (CMT) is an acclaimed and widely used theoretical
framework for modeling the continuous-wave response and temporal dynamics of any …

Quasinormal modes, local density of states, and classical purcell factors for coupled loss-gain resonators

J Ren, S Franke, S Hughes - Physical Review X, 2021 - APS
We present a quasinormal-mode (QNM) theory for coupled loss and gain resonators
working in the vicinity of an exceptional point. Assuming linear media, which can be fully …

Quasinormal mode expansion theory for mesoscale plasmonic nanoresonators: an analytical treatment of nonclassical electromagnetic boundary condition

C Tao, Y Zhong, H Liu - Physical Review Letters, 2022 - APS
Nonclassical quantum effects will significantly affect the optical response of plasmonic
nanoresonators with mesoscale feature sizes between about 2 and 20 nm, and can be fully …

Ab initio spatial coupled-mode theory of Fano resonances in optical responses of multilayer interference resonators

DV Nesterenko, S Hayashi, V Soifer - Physical Review A, 2022 - APS
To reveal origins of resonance characteristics of multilayer interference structures, we
developed an ab initio spatial coupled-mode theory using the approximations of general …

[HTML][HTML] Perturbative light–matter interactions; from first principles to inverse design

N Westerberg, R Bennett - Physics Reports, 2023 - Elsevier
Our experience of the world around us is governed almost entirely by light–matter
interactions. At the most fundamental level, such interactions are described by quantum …

Quantized quasinormal-mode theory of coupled lossy and amplifying resonators

S Franke, J Ren, S Hughes - Physical Review A, 2022 - APS
In the presence of arbitrary three-dimensional linear media with material loss and
amplification, we present an electromagnetic field quantization scheme for quasinormal …

Efficient method for the electrodynamics Langevin-dynamics simulation of multiple nanoparticles based on the coupling theory of quasinormal mode

X Lu, Q Tao, Y Zhong, H Liu - ACS Photonics, 2024 - ACS Publications
We propose an efficient method for simulating the motion of multiple nanoparticles under
light-field excitation. By exploiting a recently reported method based on the coupling theory …

Classical Purcell factors and spontaneous emission decay rates in a linear gain medium

J Ren, S Franke, B VanDrunen, S Hughes - Physical Review A, 2024 - APS
Recently the photonic golden rule, which predicts that the spontaneous emission rate of an
atom depends on the projected local density of states, was shown to fail in an optical …