Unidirectional reflectionless light propagation at exceptional points

Y Huang, Y Shen, C Min, S Fan, G Veronis - Nanophotonics, 2017 - degruyter.com
In this paper, we provide a comprehensive review of unidirectional reflectionless light
propagation in photonic devices at exceptional points (EPs). EPs, which are branch point …

Enhanced sensitivity at magnetic high-order exceptional points and topological energy transfer in magnonic planar waveguides

X Wang, G Guo, J Berakdar - Physical Review Applied, 2021 - APS
Controlling the low-energy excitations in magnetically active materials is the key to
numerous phenomena in magnonics and spintronics. This study demonstrates a generic …

[HTML][HTML] A novel method for stable thermoacoustic system design based on exceptional points-Part I: Conceptualization

M Casel, A Ghani - Combustion and Flame, 2024 - Elsevier
In this conceptual study, we introduce the novel EPTD (Exceptional Point-based
Thermoacoustic Design)-method for the design of stable thermoacoustic systems: dampen …

Stabilization of acoustic modes using Helmholtz and Quarter-Wave resonators tuned at exceptional points

C Bourquard, N Noiray - Journal of Sound and Vibration, 2019 - Elsevier
Acoustic dampers are efficient and cost-effective means for suppressing thermoacoustic
instabilities in combustion chambers. However, their design and the choice of their purging …

Exact spectral solution of two interacting run-and-tumble particles on a ring lattice

E Mallmin, RA Blythe, MR Evans - Journal of Statistical …, 2019 - iopscience.iop.org
Exact solutions of interacting random walk models, such as 1D lattice gases, offer precise
insight into the origin of nonequilibrium phenomena. Here, we study a model of run-and …

Non-hermiticity in spintronics: oscillation death in coupled spintronic nano-oscillators through emerging exceptional points

S Wittrock, S Perna, R Lebrun, K Ho, R Dutra… - Nature …, 2024 - nature.com
The emergence of exceptional points (EPs) in the parameter space of a non-hermitian (2D)
eigenvalue problem has long been interest in mathematical physics, however, only in the …

Switching of the direction of reflectionless light propagation at exceptional points in non-PT-symmetric structures using phase-change materials

Y Huang, Y Shen, C Min, G Veronis - Optics express, 2017 - opg.optica.org
We introduce a non-parity-time-symmetric three-layer structure, consisting of a gain medium
layer sandwiched between two phase-change medium layers for switching of the direction of …

Poroelastic lamellar metamaterial for sound attenuation in a rectangular duct

K Li, B Nennig, E Perrey-Debain, N Dauchez - Applied Acoustics, 2021 - Elsevier
The sound attenuation of a silencer consisting of a lamella network made with melamine
foam inserted in rectangular duct is investigated numerically and experimentally. The …

Stochastic thermodynamics of inertial-like Stuart–Landau dimer

JW Ryu, A Lazarescu, R Marathe… - New Journal of …, 2021 - iopscience.iop.org
Stuart–Landau limit-cycle oscillators are a paradigm in the study of coherent and incoherent
limit cycles. In this work, we generalize the standard Stuart–Landau dimer model to include …

Optically anisotropic media: New approaches to the dielectric function, singular axes, microcavity modes and Raman scattering intensities

M Grundmann, C Sturm, C Kranert… - physica status solidi …, 2017 - Wiley Online Library
Six out of seven crystal systems are optically anisotropic and birefringent. We review recent
insight that biaxial crystals generally exhibit four singular axes (or exceptional points) which …