Modeling light-sound interaction in nanoscale cavities and waveguides

Y Pennec, V Laude, N Papanikolaou… - …, 2014 - degruyter.com
The interaction of light and sound waves at the micro and nanoscale has attracted
considerable interest in recent years. The main reason is that this interaction is responsible …

Photonic-magnonic crystals: Multifunctional periodic structures for magnonic and photonic applications

JW Kłos, M Krawczyk, YS Dadoenkova… - Journal of Applied …, 2014 - pubs.aip.org
We investigate the properties of a photonic-magnonic crystal, a complex multifunctional one-
dimensional structure with magnonic and photonic band gaps in the GHz and PHz …

Light scattering by a spherical particle with a time-periodic refractive index

I Stefanou, PA Pantazopoulos, N Stefanou - JOSA B, 2021 - opg.optica.org
A rigorous time Floquet method for the calculation of scattering of electromagnetic waves by
a homogeneous spherical object, characterized by a periodically varying-in-time isotropic …

Layered optomagnonic structures: time Floquet scattering-matrix approach

PA Pantazopoulos, N Stefanou - Physical Review B, 2019 - APS
A fully dynamic theoretical approach to layered optomagnonic structures, based on a time
Floquet scattering-matrix method, is developed. Its applicability is demonstrated on a simple …

High-performance phoxonic cavity designs for enhanced acousto-optical interaction

AH Aly, SM Shaban, A Mehaney - Applied Optics, 2021 - opg.optica.org
Effective confinement of light and sound is achieved through a one-dimensional phoxonic
crystal (PxC) cavity. In particular, co-localization of gigahertz phonons and infrared photons …

Topology optimization of simultaneous photonic and phononic bandgaps and highly effective phoxonic cavity

HW Dong, YS Wang, TX Ma, XX Su - JOSA B, 2014 - opg.optica.org
By using the nondominated sorting-based genetic algorithm II, we study the topology
optimization of 2D phoxonic crystals (PxC) with simultaneously maximal and complete …

Breakdown of the linear acousto-optic interaction regime in phoxonic cavities

E Almpanis, N Papanikolaou, N Stefanou - Optics express, 2014 - opg.optica.org
The limits of validity of the linear photoelastic model are investigated in a one-dimensional
dual photonic-phononic cavity, formed by alternating layers of a chalcogenide glass and a …

High-efficiency acousto-optic coupling in phoxonic resonator based on silicon fishbone nanobeam cavity

CC Chiu, WM Chen, KW Sung, FL Hsiao - Optics Express, 2017 - opg.optica.org
We investigate the acousto-optic coupling rates between different acoustic resonance
modes and a specified optical resonance mode in a one-dimensional phoxonic crystal …

Simultaneous guiding of slow elastic and light waves in three-dimensional topology-type phoxonic crystals with a line defect

TX Ma, YS Wang, C Zhang, XX Su - Journal of Optics, 2014 - iopscience.iop.org
Phoxonic crystals (PXCs) which exhibit simultaneous phononic and photonic bandgaps are
promising artificial materials for optomechanical and acousto-optical devices. In this paper …

Strong optomechanical coupling of light and highly confined acoustic phonons in slot dual-beam phoxonic crystal cavities

TR Lin, CC Chang, JC Hsu - Journal of Applied Physics, 2019 - pubs.aip.org
In this study, strong optomechanical (OM) coupling is proposed through the introduction of a
slot in a dual-beam phoxonic crystal cavity structure. The structure can support a confined …