Multiband Photonic Topological Valley‐Hall Edge Modes and Second‐Order Corner States in Square Lattices
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202001865
Abstract: Robust multiband photonic topological edge states are of great importance for photonic applications, including nonlinear wavelength conversion. In particular, higher‐order photonic topological states provide the realizability of photonic nanoresonators with high robustness against structural disorder… read more here.
Keywords: edge; multiband photonic; photonic topological; second order ... See more keywords
Inverse design of second-order photonic topological insulators in C3-symmetric lattices
Sign Up to like & getrecommendations! Published in 2022 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2021.09.039
Abstract: Abstract Second-order photonic topological insulators (SPTIs) featured with topological edge and corner states provide an intriguing way for steering light in integrated optics. However, existing SPTIs have narrow bulk gaps for tightly confining topological edge… read more here.
Keywords: second order; topological insulators; photonic topological; topological edge ... See more keywords
Gap-dependent mass of a photon in a photonic topological insulator
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.96.013852
Abstract: By using an analogy with axionic like systems, we study light propagation in periodic photonic topological insulator (PTI). The main result of this paper is an explicit expression for the PTI band structure. More specifically,… read more here.
Keywords: gap; photon; mass; photonic topological ... See more keywords
Inducing and controlling rotation on small objects using photonic topological materials
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.144101
Abstract: Photonic topological insulator plates violate Lorentz reciprocity, which leads to a directionality of surfaceguided modes. This in-plane directionality can be imprinted via an applied magnetic field. On the basis of macroscopic quantum electrodynamics in nonreciprocal… read more here.
Keywords: rotation small; photonic topological; small objects; magnetic field ... See more keywords
Photonic Topological Spin Hall Effect Mediated by Vortex Pairs.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.123.266101
Abstract: Over the past decades, topology has provided unique insight into numerous physical phenomena. Here, we report on a topological mechanism for spin-dependent photonic transport. We observe photonic topological defects of bound vortex pairs and unbound… read more here.
Keywords: spin hall; effect; topological spin; spin ... See more keywords
Broadside Radiation From Chern Photonic Topological Insulators
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2021.3111256
Abstract: Broadside radiation from Chern photonic topological insulators (PTIs) is studied in this work. The one-way dispersion of the topological edge mode is located in the fast wave region, making leaky-wave radiation possible. In this communication,… read more here.
Keywords: radiation chern; chern photonic; photonic topological; radiation ... See more keywords
Programmable coding photonic topological edge waveguide
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.11.117104
Abstract: Abstract. In order to obtain reconfigurable topological photonic waveguides, we design a two-dimensional photonic crystal with compound triangular lattice. Through rotating the dielectric rods, we change the topological phase of the lattice and achieve the… read more here.
Keywords: edge waveguide; programmable coding; topological edge; photonic topological ... See more keywords
Observation of Floquet solitons in a topological bandgap
Sign Up to like & getrecommendations! Published in 2020 at "Science"
DOI: 10.1126/science.aba8725
Abstract: Topological insulators go nonlinear Whereas solid-state insulators tend to be fixed by material properties, photonic topological insulators can be designed at will to mimic a variety of scenarios and complex interactions. Mukherjee and Rechtsman go… read more here.
Keywords: solitons topological; topological insulators; topology; observation floquet ... See more keywords
Photonic topological insulators in bianisotropic metamaterials.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.443891
Abstract: We analyze the photonic topological phases in bianisotropic metamaterials characterized by a lossless and reciprocal magnetoelectric tensor. The underlying medium is considered a topological insulator that supports a pair of counterpropagating helical edge states. By… read more here.
Keywords: bianisotropic metamaterials; insulators bianisotropic; topological insulators; photonic topological ... See more keywords
Criterion for photonic topological transition in two-dimensional heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.474505
Abstract: The anisotropic van der Waals material α-MoO3 has recently attracted considerable attention because of the ability to support ellipse and hyperbolic phonon polaritons with extreme field confinement and long lifetimes, which can be used in… read more here.
Keywords: two dimensional; phonon polaritons; topological transition; photonic topological ... See more keywords
Photonic Topological Materials feature issue: publisher’s note
Sign Up to like & getrecommendations! Published in 2021 at "Optical Materials Express"
DOI: 10.1364/ome.427194
Abstract: “Invited” was added to two reviews in this feature issue [Opt. Mater. Express11(4), 1119 (2021)10.1364/OME.414890] and [Opt. Mater. Express11(4), 1292 (2021)10.1364/OME.417392]. read more here.
Keywords: issue; feature issue; materials feature; issue publisher ... See more keywords