50 citations · 73 across the 13 of their papers we have counts for
13 papers
Dispersive gains enhance wireless power transfer with asymmetric resonance
Xianglin Hao, Ke Yin, Shiqing Cai +5
Parity-time symmetry is a fundamental concept in non-Hermitian physics that has recently gained attention for its potential in engineering advanced electronic systems and achieving…
Reconfigurable Superdirective and Superabsorptive Aperiodic Metasurfaces
Yongming Li, Xikui Ma, Xuchen Wang +1
In this paper, we present a general theory of aperiodic subwavelength arrays for controlling electromagnetic waves. The considered platform is formed by an array of electrically sm…
Wave-Medium Interactions in Dynamic Matter and Modulation Systems
Zhiyu Li, Xikui Ma, Zoé-Lise Deck-Léger +2
Space-time modulation systems have garnered significant attention due to their resemblance to moving-matter systems and promising applications. Unlike conventional moving-matter sy…
Going Beyond Perfect Absorption: Reconfigurable Super-directive Absorbers
Yongming Li, Xikui Ma, Xuchen Wang +1
In the context of electromagnetic absorption, it is obvious that for an infinite planar periodic structure illuminated by a plane wave, the maximum attainable absorptance, i.e., pe…
Free electron emission in vacuum assisted by photonic time crystals
Xiaoke Gao, Xiaoyu Zhao, Xikui Ma +1
The Cerenkov radiation and the Smith-Purcell effect state that free electron emission occurs exclusively in dielectrics when the velocity of the particles exceeds the speed of ligh…
Space-Time Fresnel Prism
Zhiyu Li, Xikui Ma, Amir Bahrami +2
Space-time modulation-based metamaterials have recently spurred considerable interest, owing to the fundamental addition of the time dimension to the medium parameters, and resulti…
Observation of higher-order exceptional points in pseudo-Hermitian radio-frequency circuits
Ke Yin, Xianglin Hao, Yuangen Huang +3
Exceptional points (EP) in non-Hermitian systems have been widely investigated due to their enhanced sensitivity in comparison to standard systems. In this letter, we report the ob…
Tunable Perfect Anomalous Reflection Using Passive Aperiodic Gratings
Yongming Li, Xikui Ma, Xuchen Wang +3
Realizing continuous sweeping of perfect anomalous reflection in a wide angular range has become a technical challenge. This challenge cannot be overcome by the conventional aperio…
Controlling Electromagnetic Surface Waves with Conformal Transformation Optics
Xiaoyu Zhao, Hong Deng, Xiaoke Gao +2
The application of transformation optics to the development of intriguing electromagnetic devices can produce weakly anisotropic or isotropic media with the assistance of quasi-con…
Analysis and design of transition radiation in layered uniaxial crystals using Tandem neural networks
Xiaoke Gao, Xiaoyu Zhao, Ruoyu Huang +3
With the flourishing development of nanophotonics, Cherenkov radiation pattern can be designed to achieve superior performance in particle detection by fine-tuning the properties o…
Generalized Total Internal Reflection at Dynamic Interfaces
Zhiyu Li, Xikui Ma, Amir Bahrami +2
Recent research developments in the area of spacetime metamaterial structures and systems have raised new questions as to how the physics of fundamental phenomena is altered in the…
Frequency-stable robust wireless power transfer based on high-order pseudo-Hermitian physics
Xianglin Hao, Ke Yin, Jianlong Zou +4
Non-radiative wireless power transfer (WPT) technology has made considerable progress with the application of the parity-time (PT) symmetry concept. In this letter, we extend the s…
Plasmon Localization Assisted by Conformal Symmetry
Lizhen Lu, Emanuele Galiffi, Kun Ding +3
Plasmonic systems have attracted remarkable interest due to their application to the subwavelength confinement of light and the associated enhancement of light-matter interactions.…