Search Results - "Yang, Zhaoju"
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Photonic Floquet topological insulators in a fractal lattice
Published in Light, science & applications (20-07-2020)“…We present Floquet fractal topological insulators: photonic topological insulators in a fractal-dimensional lattice consisting of helical waveguides. The…”
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Realization of a three-dimensional photonic topological insulator
Published in Nature (London) (01-01-2019)“…Confining photons in a finite volume is highly desirable in modern photonic devices, such as waveguides, lasers and cavities. Decades ago, this motivated the…”
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Topologically protected refraction of robust kink states in valley photonic crystals
Published in Nature physics (01-02-2018)“…A photonic crystal can realize an analogue of a valley Hall insulator, promising more flexibility than in condensed-matter systems to explore these exotic…”
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Probing topological protection using a designer surface plasmon structure
Published in Nature communications (20-05-2016)“…Topological photonic states, inspired by robust chiral edge states in topological insulators, have recently been demonstrated in a few photonic systems,…”
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Topological water wave states in a one-dimensional structure
Published in Scientific reports (04-07-2016)“…Topological concepts have been introduced into electronic, photonic and phononic systems, but have not been studied in surface-water-wave systems. Here we…”
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Mode-Locked Topological Insulator Laser Utilizing Synthetic Dimensions
Published in Physical review. X (01-03-2020)“…We propose a system that exploits the fundamental features of topological photonics and synthetic dimensions to force many semiconductor laser resonators to…”
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Topologically crafted spatiotemporal vortices in acoustics
Published in Nature communications (06-10-2023)“…Vortices in fluids and gases have piqued the human interest for centuries. Development of classical-wave physics and quantum mechanics highlighted wave…”
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Weyl points in a magnetic tetrahedral photonic crystal
Published in Optics express (10-07-2017)“…Weyl points have recently been predicted and experimentally observed in double-gyroid photonic crystals, as well as in other complex photonic structures such…”
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Experimental demonstration of high-order magnetic localized spoof surface plasmons
Published in Applied physics letters (27-07-2015)“…We experimentally demonstrate that an ultrathin metallic spiral structure is able to support multiple high-order magnetic localized spoof surface plasmons…”
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Fractality-induced topological phase squeezing and devil's staircase
Published in Physical review research (01-06-2023)“…We propose and experimentally demonstrate the first example of Chern fractal insulators in an acoustic Sierpinski lattice. Through introducing fractality into…”
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Synthetic-gauge-field-induced Dirac semimetal state in an acoustic resonator system
Published in New journal of physics (07-12-2016)“…Recently, a proposal of synthetic gauge field in reduced two-dimensional (2D) system from three-dimensional (3D) acoustic structure shows an analogue of the…”
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Quantum topological photonics with special focus on waveguide systems
Published in Npj nanophotonics (30-08-2024)“…In the burgeoning field of quantum topological photonics, waveguide systems play a crucial role. This perspective delves into the intricate interplay between…”
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Acoustic Type-II Weyl Nodes from Stacking Dimerized Chains
Published in Physical review letters (25-11-2016)“…Lorentz-violating type-II Weyl fermions, which were missed in Weyl's prediction of nowadays classified type-I Weyl fermions in quantum field theory, have…”
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Topological acoustics
Published in Physical review letters (20-03-2015)“…The manipulation of acoustic wave propagation in fluids has numerous applications, including some in everyday life. Acoustic technologies frequently develop in…”
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Strain-Induced Gauge Field and Landau Levels in Acoustic Structures
Published in Physical review letters (12-05-2017)“…The emerging field of topological acoustics that explores novel gauge-field-related phenomena for sound has drawn attention in recent years. However, previous…”
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Observation of the geometry-dependent skin effect and dynamical degeneracy splitting
Published in Science bulletin (Beijing) (30-10-2023)“…The non-Hermitian skin effect is a distinctive phenomenon in non-Hermitian systems, which manifests as the anomalous localization of bulk states at the…”
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Quantum time reflection and refraction of ultracold atoms
Published in Nature photonics (01-01-2024)“…Time reflection and refraction are temporal analogies of the spatial boundary effects derived from Fermat’s principle. They occur when classical waves strike a…”
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Photonic Floquet Skin-Topological Effect
Published in Physical review letters (09-02-2024)“…Non-Hermitian skin effect and photonic topological edge states are of great interest in non-Hermitian physics and optics. However, the interplay between them…”
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Fractal photonic topological insulators
Published in Science (American Association for the Advancement of Science) (03-06-2022)“…Topological insulators constitute a novel state of matter with scatter-free edge states surrounding an insulating bulk. Conventional wisdom regards the…”
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Higher-order topological phase in an acoustic fractal lattice
Published in Science bulletin (31-10-2022)“…[Display omitted] We introduce fractality into a square lattice, and uncovered a squeezed higher-order phase diagram featuring abundant corner states, which…”
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