153 citations · 2k across the 42 of their papers we have counts for
42 papers
Chiral photonic topological states in Penrose quasicrystals
Yingfang Zhang, Zhihao Lan, Liyazhou Hu +6
Electromagnetic topological edge states typically are created in photonic systems with crystalline symmetry and these states emerge because of the topological feature of bulk Bloch…
Topological metasurface: From passive toward active and beyond
Jian Wei You, Zhihao Lan, Qian Ma +5
Metasurfaces are subwavelength structured thin films consisting of arrays of units that allow the controls of polarization, phase and amplitude of light over a subwavelength thickn…
A Topological Directional Coupler Fed by Microstrip Line with Configurable Coupling Coefficient
HongYu Shi, BoLin Li, Wei. E. I. Sha +5
Topological waveguides have been extensively studied for their robust transmission properties immune to defects and their application potentials for microwave and terahertz integra…
Large-area quantum-spin-Hall waveguide states in a three-layer topological photonic crystal heterostructure
Zhihao Lan, Menglin L. N. Chen, Jian Wei You +1
Topological photonic edge states are conventionally formed at the interface between two domains of topologically trivial and nontrivial photonic crystals. Recent works exploiting p…
A brief review of topological photonics in one, two, and three dimensions
Zhihao Lan, Menglin L. N. Chen, Fei Gao +2
Topological photonics has attracted increasing attention in recent years due to the unique opportunities it provides to manipulate light in a robust way immune to disorder and defe…
Dynamical quantum phase transitions in a spinor Bose-Einstein condensate and criticality enhanced quantum sensing
Lu Zhou, Jia Kong, Zhihao Lan +1
Quantum phase transitions universally exist in the ground and excited states of quantum many-body systems, and they have a close relationship with the nonequilibrium dynamical phas…
Dual-Polarization Second-Order Photonic Topological Insulators
Yafeng Chen, Fei Meng, Zhihao Lan +2
Second-order photonic topological insulators that host highly localized corner states resilient to defects, are opening new routes towards developing fascinating photonic devices.…
Topologically protected second-harmonic generation via doubly resonant high-order photonic modes
Yafeng Chen, Zhihao Lan, Jensen Li +1
Topology-driven nonlinear light-matter effects open up new paradigms for both topological photonics and nonlinear optics. Here, we propose to achieve high-efficiency second-harmoni…
Comparative study of Hermitian and non-Hermitian topological dielectric photonic crystals
Menglin L. N. Chen, Li Jun Jiang, Shuang Zhang +3
The effects of gain and loss on the band structures of a bulk topological dielectric photonic crystal (PC) with symmetry and the PC-air-PC interface are studied based on f…
Topological photonic crystal fibers based on second-order corner modes
Ruirong Gong, Ming Zhang, Haibin Li +1
Photonic crystal fibers represent one of the most active research fields in modern fiber optics. The recent advancements of topological photonics have inspired new fiber concepts a…
Approaching the Fundamental Limit of Orbital Angular Momentum Multiplexing Through a Hologram Metasurface
Shuai S. A. Yuan, Jie Wu, Menglin L. N. Chen +9
Establishing and approaching the fundamental limit of orbital angular momentum (OAM) multiplexing are necessary and increasingly urgent for current multiple-input multiple-output r…
Reprogrammable plasmonic topological insulators with ultrafast control
Jian Wei You, Qian Ma, Zhihao Lan +3
Topological photonics has revolutionized our understanding of light propagation, but most of current studies are focused on designing a static photonic structure. Developing a dyna…
Coexistence of pseudospin- and valley-Hall-like edge states in a photonic crystal with symmetry
Menglin L. N. Chen, Li Jun Jiang, Zhihao Lan +1
We demonstrate the coexistence of pseudospin- and valley-Hall-like edge states in a photonic crystal with symmetry, which is composed of three interlacing triangular subla…
Stückelberg interferometry using spin-orbit-coupled cold atoms in an optical lattice
Shuang Liang, Zheng-Chun Li, Weiping Zhang +2
Time evolution of spin-orbit-coupled cold atoms in an optical lattice is studied, with a two-band energy spectrum having two avoided crossings. A force is applied such that the ato…
Multiplexing-oriented plasmon-MoS2 hybrid metasurfaces driven by nonlinear quasi bound states in the continuum
Qun Ren, Feng Feng, Xiang Yao +6
Rapid progress in nonlinear plasmonic metasurfaces enabled many novel optical characteristics for metasurfaces, with potential applications in frequency metrology, timing character…
Flat bands and topological phases in a non-Abelian kagome lattice
Zhenxiang Gao, Zhihao Lan
We introduce a non-Abelian kagome lattice model that has both time-reversal and inversion symmetries and study the flat band physics and topological phases of this model. Due to th…
Second-harmonic generation via double topological valley-Hall kink modes in all-dielectric photonic crystals
Zhihao Lan, Jian Wei You, Qun Ren +2
Nonlinear topological photonics, which explores topics common to the fields of topological phases and nonlinear optics, is expected to open up a new paradigm in topological photoni…
Topological valley plasmon transport in bilayer graphene metasurfaces for sensing applications
Yupei Wang, Jian Wei You, Zhihao Lan +1
Topologically protected plasmonic modes located inside topological bandgaps are attracting increasing attention, chiefly due to their robustness against disorder-induced backscatte…
Local orbital-angular-momentum dependent surface states with topological protection
Menglin L. N. Chen, Li Jun Jiang, Zhihao Lan +1
Chiral surface states along the zigzag edge of a valley photonic crystal in the honeycomb lattice are demonstrated. By decomposing the local fields into orbital angular momentum (O…
Valley-Hall topological plasmons in a graphene nanohole plasmonic crystal waveguide
J. W. You, Z. Lan, Q. Bao +1
We demonstrate that unidirectional and backscattering immune propagation of terahertz optical waves can be achieved in a topological valley-Hall waveguide made of graphene nanohole…
First-principle calculation of Chern number in gyrotropic photonic crystals
Ran Zhao, Guo-Da Xie, Menglin L. N. Chen +3
As an important figure of merit for characterizing the quantized collective behaviors of the wavefunction, Chern number is the topological invariant of quantum Hall insulators. Che…
Nonlinear Floquet dynamics of spinor condensates in an optical cavity: Cavity-amplified parametric resonance
Zheng-Chun Li, Qi-Hui Jiang, Zhihao Lan +2
We investigate Floquet dynamics of a cavity-spinor Bose-Einstein condensate coupling system via periodic modulation of the cavity pump laser. Parametric resonances are predicted an…
Pseudospin-Polarized Topological Line Defects in Dielectric Photonic Crystals
Menglin L. N. Chen, Li Jun Jiang, Zhihao Lan +1
Electromagnetic topological insulators have been explored extensively due to the robust edge states they support. In this work, we propose a topological electromagnetic system base…
Four-wave Mixing of Topological Edge Plasmons in Graphene Metasurfaces
Jian Wei You, Zhihao Lan, Nicolae C. Panoiu
We study topologically-protected four-wave mixing (FWM) interactions in a plasmonic metasurface consisting of a periodic array of nanoholes in a graphene sheet, which exhibits a wi…