Extended topological interface modes with tunable frequency in the piezoelectric phononic crystal
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0136494
Abstract: Acoustic metamaterials have provided a versatile platform to explore more degrees of freedom for tunable topological wave manipulation. Recently, extended topological interface modes (ETIMs) with heterostructure have been proposed to extend the spatial degree of… read more here.
Keywords: extended topological; frequency; phononic crystal; interface modes ... See more keywords
Inerter-controlled topological interface states in locally resonant lattices with beyond-nearest neighbor coupling
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Physics"
DOI: 10.1063/5.0205248
Abstract: This paper explores the emergence of topological interface states in one-dimensional locally resonant lattices incorporating inerters in both nearest neighbor (NN) and beyond-nearest neighbor (BNN) coupling. The investigation focuses on the unique wave propagation characteristics… read more here.
Keywords: locally resonant; inerter; interface states; topological interface ... See more keywords
Low-frequency multiple topological interface modes in metamaterial beams with quasi-zero-stiffness resonators
Sign Up to like & getrecommendations! Published in 2024 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2024.2383317
Abstract: Abstract To achieve multiple low-frequency topological interface modes (TIMs) while maintaining lightweight and load-bearing capacities in metamaterial beams, we propose novel topological beams equipped with double quasi-zero-stiffness (QZS) resonators. Following the introduction of the negative… read more here.
Keywords: frequency; topological interface; metamaterial beams; interface modes ... See more keywords
Topological interface states by energy hopping within power-law variable section waveguides
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/accfa6
Abstract: An energy-hopping one-dimensional acoustical topology within power-law variable section waveguides is proposed in this paper, wherein a topological phase transition results from the energy in the basic unit hopping to the nearby unit, with the… read more here.
Keywords: power law; energy; topological interface;
Tunability of spin-dependent secondary topological interface states induced in an optical complex superlattice
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.045408
Abstract: The past decade has witnessed a booming development of topological photonics, which revolutionizes the methodology for controlling the behavior of light. A gigantic achievement is to engineer robust confined modes localized at interfaces between topologically… read more here.
Keywords: complex superlattice; spin dependent; interface; interface states ... See more keywords
Narrow-linewidth monolithic topological interface state extended laser with optical injection locking
Sign Up to like & getrecommendations! Published in 2025 at "Science Advances"
DOI: 10.1126/sciadv.ady8963
Abstract: Narrow-linewidth lasers are essential for coherent optical applications, including communications, metrology, and sensing. Although compact semiconductor lasers with narrow linewidths have been demonstrated, achieving high spectral purity generally necessitates passive external cavities based on photonic… read more here.
Keywords: injection locking; topological interface; optical injection; injection ... See more keywords
Angle-insensitive topological interface states in hybrid one-dimensional photonic crystal heterostructures containing all-dielectric metamaterials.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.493788
Abstract: Topological interface states (TISs) in conventional one-dimensional (1D) photonic crystal (PhC) heterostructures strongly shift toward higher frequencies as the incident angle increases. This strong blueshift property of TISs intensively limits the operating angle ranges of… read more here.
Keywords: topological interface; photonic crystal; dimensional photonic; angle insensitive ... See more keywords