output
20152022
most citedVisualization of unidirectional optical waveguide using topological photonic crystals made of dielectric material

500 citations

14 papers

quant-ph2022★ 5 cited

Fast Evolution of Single Qubit Gate in Non-Adiabatic Geometric Quantum Computing

Ge Tang, Xiao-Yong Yang, Ying Yan +1

We implemented arbitrary single qubit gates of geometric quantum computing for a three-level system in a single-shot manner. The evolution time of the gate has been minimized by co…

cond-mat.mtrl-sci2021★ 7 cited

Theoretical study on hot-carrier generation, transport and injection in TiN/TiO junction

Tingting Liu, QianJun Wang, Cheng Zhang +2

Promoting performance of generation, transport and injection of hot carriers in metal/semiconductor junctions is critical for harvesting energy of hot carriers. However, the inject…

quant-ph2021★ 11 cited

Experimental implementation of precisely tailored light-matter interaction via inverse engineering

Ying Yan, Chunyan Shi, Adam Kinos +6

Accurate and efficient quantum control in the presence of constraints and decoherence is a requirement and a challenge in quantum information processing. Shortcuts to adiabaticity,…

quant-ph2021★ 2 cited

Engineering of the qubit initialization in an imperfect physical system

Tianfeng Chen, Lin Wan, Jiamin Qiu +3

We proposed a method to engineer the light matter interaction while initializing a qubit in presence of physical constraints utilizing the inverse engineering. Combining the multip…

physics.app-ph2020★ 81 cited

On-chip higher-order topological micromechanical metamaterials

Ying Wu, Mou Yan, Hai-Xiao Wang +2

Higher-order topological insulators exhibit multidimensional topological physics and unique application values due to their ability of integrating stable boundary states at multipl…

physics.optics2020★ 6 cited

Exciton diffusion and annihilation in nanophotonic Purcell landscapes

T. V. Raziman, C. Peter Visser, Shaojun Wang +2

Excitons spread through diffusion and interact through exciton-exciton annihilation. Nanophotonics can counteract the resulting decrease in light emission. However, conventional en…

cond-mat.mes-hall2020★ 18 cited

Impact of indirect transitions on valley polarization in WS and WSe

Rasmus H. Godiksen, Shaojun Wang, T. V. Raziman +2

Controlling the momentum of carriers in semiconductors, known as valley polarization, is a new resource for optoelectronics and information technologies. Materials exhibiting high…

cond-mat.mes-hall2019★ 38 cited

Deterministic scheme for two-dimensional type-II Dirac points and experimental realization in acoustics

Xiaoxiao Wu, Xin Li, Ruo-Yang Zhang +7

Low-energy electrons near Dirac/Weyl nodal points mimic massless relativistic fermions. However, as they are not constrained by Lorentz invariance, they can exhibit tipped-over typ…

physics.optics2018★ 33 cited

Interlayer Topological Transport and Devices based on Layer Pseudospins in Photonic Valley-Hall Phases

Xiaoxiao Wu, Zhenyu Li, Jian Chen +8

Valley-Hall phases, first proposed in two-dimensional (2D) materials, originate from nontrivial topologies around valleys which denote local extrema in momentum space. Since they a…

physics.app-ph2018★ 11 cited

Broadband microwave absorption by logarithmic spiral metasurface

Shubo Wang, Bo Hou, C. T. Chan

We propose to use logarithmic spiral resonators for efficient absorption of microwaves. By combining their scale invariant geometries and Fabry-Perot-type resonances stemming from…

physics.app-ph2018★ 47 cited

Type-II Dirac photons at the metasurfaces

Chuandeng Hu, Zhenyu Li, Rui Tong +9

Topological characteristics of energy bands, such as Dirac/Weyl nodes, have attracted substantial interest in condensed matter systems as well as in classical wave systems. Among t…

physics.app-ph2017★ 19 cited

A metasurface with bidirectional hyperbolic surface modes and positionsensing applications

Chuandeng Hu, Xiaoxiao Wu, Rui Tong +5

We theoretically and experimentally studied resonance-induced hyperbolic metasurfaces, proving that it is an efficient way to introduce Fano-resonance and decreasethe Q-factor in o…

physics.optics2016★ 500 cited

Visualization of unidirectional optical waveguide using topological photonic crystals made of dielectric material

Yuting Yang, Yun Fei Xu, Tao Xu +4

The introduction of topology unravels a new chapter of physics. Topological systems provide unique edge/interfacial quantum states which are expected to contribute to the developme…

physics.optics2015

Broadband mode conversion via gradient index metamaterials

HaiXiao Wang, YaDong Xu, Patrice Genevet +2

We propose a design for broadband waveguide mode conversion based on gradient index metamaterials (GIMs). Numerical simulations demonstrate that the zeroth order of transverse magn…