[HTML][HTML] Photonic flat-band lattices and unconventional light localization

L Tang, D Song, S Xia, S Xia, J Ma, W Yan, Y Hu… - …, 2020 - degruyter.com
Flat-band systems have attracted considerable interest in different branches of physics in the
past decades, providing a flexible platform for studying fundamental phenomena associated …

Hall conductivity of a Sierpiński carpet

AA Iliasov, MI Katsnelson, S Yuan - Physical Review B, 2020 - APS
We calculate the Hall conductivity of a Sierpiński carpet using Kubo-Bastin formula. The
quantization of Hall conductivity disappears when we increase the depth of the fractal, and …

Application of the real space decimation method in determining intricate electronic phases of matter: a review

A Mukherjee, A Bandyopadhyay, D Jana - … Chemistry Chemical Physics, 2023 - pubs.rsc.org
The real space decimation method has been successfully applied over the years to
understand the critical phenomena as well as the nature of single particle excitations in …

Flat bands in fractal-like geometry

B Pal, K Saha - Physical Review B, 2018 - APS
We report the presence of multiple flat bands in a class of two-dimensional lattices formed by
Sierpinski gasket (SPG) fractal geometries as the basic unit cells. Solving the tight-binding …

Localized States Emerging from Singular and Nonsingular Flat Bands in a Frustrated Fractal‐Like Photonic Lattice

H Hanafi, P Menz, C Denz - Advanced Optical Materials, 2022 - Wiley Online Library
Singular and nonsingular flat bands in a Sierpinski fractal‐like photonic lattice are reported.
It is demonstrated that the lowest two bands, being isolated and degenerate due to …

Higher-order topological Anderson insulator on the Sierpiński lattice

H Chen, ZR Liu, R Chen, B Zhou - Chinese Physics B, 2023 - iopscience.iop.org
Disorder effects on topological materials in integer dimensions have been extensively
explored in recent years. However, its influence on topological systems in fractional …

Observation of robust flat-band localization in driven photonic rhombic lattices

S Mukherjee, RR Thomson - Optics Letters, 2017 - opg.optica.org
We demonstrate that a flat-band state in a quasi-one-dimensional rhombic lattice is robust in
the presence of external drivings along the lattice axis. The lattice was formed by periodic …

[HTML][HTML] Erbium emission in Er:Y2O3 decorated fractal arrays of silicon nanowires

MJ Lo Faro, AA Leonardi, F Priolo, B Fazio… - Scientific Reports, 2020 - nature.com
Disordered materials with new optical properties are capturing the interest of the scientific
community due to the observation of innovative phenomena. We present the realization of …

Flatband Line States in Photonic Super‐Honeycomb Lattices

W Yan, H Zhong, D Song, Y Zhang… - Advanced Optical …, 2020 - Wiley Online Library
For the first time, a photonic super‐honeycomb lattice (sHCL) is established experimentally
by use of a continuous‐wave laser writing technique, and thereby two distinct flatband line …

Optical properties and magnetic flux-induced electronic band tuning of a T-graphene sheet and nanoribbon

A Bandyopadhyay, A Nandy, A Chakrabarti… - Physical Chemistry …, 2017 - pubs.rsc.org
Tetragonal graphene (T-graphene) is a theoretically proposed dynamically stable, metallic
allotrope of graphene. In this theoretical investigation, a tight binding (TB) model is used to …