413 citations · 1.5k across the 27 of their papers we have counts for
27 papers
Single-sensor and real-time ultrasonic imaging using an AI-driven disordered metasurface
Wei Wang, Jie Hu, Jingjing Liu +5
Non-destructive testing and medical diagnostic techniques using ultrasound has become indispensable in evaluating the state of materials or imaging the internal human body, respect…
Acoustic meta-stethoscope for cardiac auscultation
Zheng-Ji Chen, Jing-Jing Liu, Bin Liang +2
Straight cylindrical stethoscopes serve as an important alternative to conventional stethoscopes whose application in the treatment of infectious diseases might be limited by the u…
Chess-board Acoustic Crystals with Momentum-space Nonsymmorphic Symmetries
Yanqiu Wang, Chen Zhang, Z. Y. Chen +3
Spatial symmetries appearing in both real and momentum space are of fundamental significance to crystals. However, in the conventional framework, every space group in real space, e…
Sound non-reciprocity based on synthetic magnetism
Zhaoxian Chen, Zhengwei Li, Jingkai Weng +4
Synthetic magnetism has been recently realized using spatiotemporal modulation patterns, producing non-reciprocal steering of charge-neutral particles such as photons and phonons.…
Remote Water-to-air Eavesdropping through Phase-Engineered Impedance Matching Metasurfaces
Jing-jing Liu, Zheng-wei Li, Bin Liang +2
Efficiently receiving underwater sound remotely from air is a long-standing challenge in acoustics hindered by the large impedance mismatch at the water-air interface. Here we intr…
Efficient, High-purity, Robust Sound Frequency Conversion with a Linear Metasurface
Chengbo Hu, Wei Wang, Jincheng Ni +5
The intrinsic limitation of the material nonlinearity inevitably results in the poor mode purity, conversion efficiency and real-time reconfigurability of the generated harmonic wa…
Experimental Realization of Weyl Exceptional Rings in a Synthetic Three-Dimensional Non-Hermitian Phononic Crystal
Zheng-wei Li, Jing-jing Liu, Ze-Guo Chen +5
Weyl points (WPs) are isolated degeneracies carrying quantized topological charges, and are therefore robust against Hermitian perturbations. WPs are predicted to spread to the Wey…
Experimental Observation of Efficient Nonreciprocal Mode Transitions via Spatiotemporally-Modulated Acoustic Metamaterials
Zhaoxian Chen, Yugui Peng, Haoxiang Li +7
In lossless acoustic systems, mode transitions are always time-reversible, consistent with Lorentz reciprocity, giving rise to symmetric sound manipulation in space-time. To overco…
Robust zero-energy states in two-dimensional Su-Schrieffer-Heeger topological insulators
Zhang-Zhao Yang, An-Yang Guan, Wen-Jie Yang +2
The Su-Schrieffer-Heeger (SSH) model on a two-dimensional square lattice has been considered as a significant platform for studying topological multipole insulators. However, due t…
A General Method to Design Acoustic Higher-Order Topological Insulators
An-Yang Guan, Zhang-Zhao Yang, Xin-Ye Zou +1
Acoustic systems that are without limitations imposed by the Fermi level have been demonstrated as significant platform for the exploration of fruitful topological phases. By surro…
Topological Classical Systems with Generalized Chiral Symmetry
Zhang-Zhao Yang, An-Yang Guan, Xin-Ye Zou +1
The bulk band topology of symmetry invariant adiabatic systems in the thermodynamic limit are considered to be determined by the hopping energy. In this work, we present that in cl…
Meta-neural-network for Realtime and Passive Deep-learning-based Object Recognition
Jingkai Weng, Yujiang Ding, Chengbo Hu +4
Deep-learning recently show great success across disciplines yet conventionally require time-consuming computer processing or bulky-sized diffractive elements. Here we theoreticall…
Acoustic manipulation through zero-thickness perforated plane with strong-coupling effects
Liu-Ming Hao, Xin-Ye Zou, Bin Liang +1
How to manipulate acoustic waves through thinner structures is always a challenging problem due to the linear proportional relationship between the structural thickness and the aco…
Ultrathin acoustic parity-time symmetric metasurface cloak
Hao-Xiang Li, Maria Rosendo-Lopez, Yi-Fan Zhu +5
Invisibility or unhearability cloaks have been made possible by using metamaterials making light or sound flow around obstacle without the trace of reflections or shadows. Metamate…
Self-ordering induces multiple topological transitions for elastic waves in phononic crystals
Jiujiu Chen, Hongbo Huang, Shaoyong Huo +3
Topological defects with symmetry-breaking phase transitions have captured much attention. Vortex generated by topological defects exhibits exotic properties and its flow direction…
Experimental Realization of Acoustic Chern Insulator
Yifan Zhu, Yugui Peng, Xudong Fan +4
Topological insulators are new states of matter in which the topological phase originates from symmetry breaking. Recently, time-reversal invariant topological insulators were demo…
Omnidirectional Ventilated Acoustic Barrier
Hai-long Zhang, Yi-fan Zhu, Bin Liang +3
As an important problem in acoustics, sound insulation finds applications in a great variety of situations. In the existing schemes, however, there has always been a tradeoff betwe…
Spatial filtering of audible sound with acoustic landscapes
Shuping Wang, Jiancheng Tao, Xiaojun Qiu +1
Acoustic metasurfaces manipulate waves with specially designed structures and achieve properties that natural materials cannot offer. Similar surfaces work in audio frequency range…
Twisted Acoustics
Xue Jiang, Bin Liang, Jian-chun Cheng +1
We use metasurfaces to enable acoustic orbital angular momentum (a-OAM) based multiplexing in real-time, postprocess-free and sensor-scanning-free fashions to improve the bandwidth…
Directional radiation of sound waves by a subwavelength source
Xu-Dong Fan, Yi-Fan Zhu, Bin Liang +2
We propose and experimentally achieve a directional dipole field radiated by an omnidirectional monopole source enclosed in a subwavelength structure of acoustically hybrid resonan…
Ultra-thin Acoustic Metasurface-Based Schroeder Diffuser
Yifan Zhu, Xudong Fan, Bin Liang +2
Schroeder diffuser is a classical design, proposed over 40 years ago, for artificially creating optimal and predictable sound diffuse reflection. It has been widely adopted in arch…
Non-Hermitian acoustic metamaterial for the complete control of sound by accessing the exceptional points
Yi-Fan Zhu, Xue-Feng Zhu, Xu-Dong Fan +4
Non-Hermitian systems always play a negative role in wave manipulations due to inherent non-conservation of energy as well as loss of information. Recently, however, there has been…
An acoustic invisible gateway
Yi-Fan Zhu, Xin-Ye Zou, Bin Liang +3
The recently-emerged concept of "invisible gateway" with the extraordinary capability to block the waves but allow the passage of other entities has attracted great attentions due…
Broadband non-reciprocal transmission of sound with invariant frequency
Zhong-ming Gu, Jie Hu, Bin Liang +2
The emergence of "acoustic diode" (AD) capable of rectifying acoustic wave like electrical diodes do to electricity has been believed to be able to offer unconventional manipulatio…