Resonant leaky modes in all-dielectric metasystems: Fundamentals and applications
All-dielectric metamaterials and metasurfaces have been demonstrated as ideal platforms to
manipulate electromagnetic waves and enhance light–matter interaction. Analogous to …
manipulate electromagnetic waves and enhance light–matter interaction. Analogous to …
Hybrid photonic integrated circuits for neuromorphic computing
R Xu, S Taheriniya, AP Ovvyan, JR Bankwitz… - Optical Materials …, 2023 - opg.optica.org
The burgeoning of artificial intelligence has brought great convenience to people's lives as
large-scale computational models have emerged. Artificial intelligence-related applications …
large-scale computational models have emerged. Artificial intelligence-related applications …
Spectral phase singularity and topological behavior in perfect absorption
Perfect absorbers, which can achieve total absorption of all incoming energy, have been
extensively studied in the last decades for various important technologies in general wave …
extensively studied in the last decades for various important technologies in general wave …
Towards mirror-less graphene-based perfect absorbers
S Lee, S Kim - Applied Sciences, 2023 - mdpi.com
Owing to its exceptional electronic and optical properties, graphene has attracted extensive
attention among researchers in the development of high-performance optoelectronic …
attention among researchers in the development of high-performance optoelectronic …
All-dielectric perfect absorber based on quadrupole modes
R Xu, J Takahara - Optics Letters, 2021 - opg.optica.org
In principle, the absorbance of a free-standing ultra-thin film is limited to 50%. To overcome
this limitation, an all-dielectric perfect absorber is proposed herein based on the concept of …
this limitation, an all-dielectric perfect absorber is proposed herein based on the concept of …
All-optical scattering control in an all-dielectric quasi-perfect absorbing Huygens' metasurface
In this paper, we theoretically and experimentally demonstrated photothermal nonlinearities
of both forward and backward scattering intensities from quasi-perfect absorbing silicon …
of both forward and backward scattering intensities from quasi-perfect absorbing silicon …
Vertical photon sorting by stacking silicon and germanium nanopillars for broadband absorbers
R Xu, T Morimoto, J Takahara - Nanophotonics, 2023 - degruyter.com
Perfect absorbers based on all-dielectric metasurfaces exhibit great potential in
photodetection, photovoltaics, and imaging applications. This study proposes and …
photodetection, photovoltaics, and imaging applications. This study proposes and …
Highly sensitive and robust refractometric sensing by magnetic dipole of Si nanodisks
R Xu, J Takahara - Applied Physics Letters, 2022 - pubs.aip.org
Silicon metasurfaces have been attracting interest in the sensing field because of their ability
to support magnetic Mie resonance, low optical heating, and CMOS-compatible fabrication …
to support magnetic Mie resonance, low optical heating, and CMOS-compatible fabrication …
Graphene perfect absorber based on degenerate critical coupling of toroidal mode
Graphene is a two-dimensional material with great potential for photodetection and light
modulation applications owing to its high charge mobility. However, the light absorption of …
modulation applications owing to its high charge mobility. However, the light absorption of …
Active tuning of resonant lattice Kerker effect
The Kerker effect has been generalized in nanophotonics and meta-optics, and has recently
been of great interest by relating it to various fascinating functionalities such as scattering …
been of great interest by relating it to various fascinating functionalities such as scattering …