PT-symmetry in optics

AA Zyablovsky, AP Vinogradov, AA Pukhov… - Physics …, 2014 - iopscience.iop.org
We review quantum mechanical and optical pseudo-Hermitian systems with an emphasis on
PT-symmetric systems important for optics and electrodynamics. One of the most interesting …

Photonic surface waves on metamaterial interfaces

O Takayama, AA Bogdanov… - Journal of Physics …, 2017 - iopscience.iop.org
A surface wave (SW) in optics is a light wave, which is supported at an interface of two
dissimilar media and propagates along the interface with its field amplitude exponentially …

Perovskite quantum dot one-dimensional topological laser

J Tian, QY Tan, Y Wang, Y Yang, G Yuan… - Nature …, 2023 - nature.com
Various topological laser concepts have recently enabled the demonstration of robust light-
emitting devices that are immune to structural deformations and tolerant to fabrication …

Excitation of optical tamm state for photonic spin hall enhancement

AK Goyal, D Divyanshu, Y Massoud - Scientific Reports, 2024 - nature.com
This work presents a dielectric material-based optical Tamm state (OTS) excitation
technique with modified dispersion characteristics for photonic spin hall effect (PSHE) …

Ideal nodal rings of one-dimensional photonic crystals in the visible region

WM Deng, ZM Chen, MY Li, CH Guo, ZT Tian… - Light: Science & …, 2022 - nature.com
Abstract Three-dimensional (3D) artificial metacrystals host rich topological phases, such as
Weyl points, nodal rings, and 3D photonic topological insulators. These topological states …

Thermal stability analysis of surface wave assisted bio-photonic sensor

AK Goyal, A Kumar, Y Massoud - Photonics, 2022 - mdpi.com
In this paper, the thermal stability of a Bloch Surface Wave (BSW) assisted bio-photonic
sensor is investigated. The structural analysis is carried out using the transfer matrix method …

Midinfrared surface waves on a high aspect ratio nanotrench platform

O Takayama, E Shkondin, A Bodganov… - ACS …, 2017 - ACS Publications
Optical surface waves, highly localized modes bound to the surface of media, enable
manipulation of light at nanoscale, thus impacting a wide range of areas in nanoscience. By …

Radiative topological states in resonant photonic crystals

AV Poshakinskiy, AN Poddubny, L Pilozzi… - Physical review letters, 2014 - APS
We present a theory of topological edge states in one-dimensional resonant photonic
crystals with a compound unit cell. Contrary to the conventional electronic topological states …

Bound states in the continuum and strong phase resonances in integrated Gires-Tournois interferometer

DA Bykov, EA Bezus, LL Doskolovich - Nanophotonics, 2020 - degruyter.com
Photonic bound states in the continuum (BICs) are eigenmodes with an infinite lifetime,
which coexist with a continuous spectrum of radiating waves. BICs are not only of great …

[HTML][HTML] Detection of anti-SARS CoV-2 antibodies in human serum by means of Bloch surface waves on 1D photonic crystal biochips

A Occhicone, A Sinibaldi, D Chiappetta… - … and Bioelectronics: X, 2023 - Elsevier
This study presents the development and characterization of a disposable biochip for the
detection of antibodies against the SARS-CoV-2 spike protein, a well-known target for …