11 citations · 22 across the 8 of their papers we have counts for
7 papers · 1 filter
Time-Varying Wireless Power Transfer Systems for Improving Efficiency
X. Wang, I. Krois, N. Ha-Van +4
Conventional wireless power transfer systems are linear and time-invariant, which sets fundamental limitations on their performance, including a tradeoff between transfer efficienc…
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…
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…
Discrete Impedance Metasurfaces for 6G Wireless Communications in D-Band
Sergei Kosulnikov, Xuchen Wang, Sergei A. Tretyakov
Engineering and optimization of wireless propagation channels will be one of the key elements of future communication technologies. Metasurfaces may offer a wide spectrum of functi…
Coherent control of wave beams via unidirectional evanescent modes excitation
Shuomin Zhong, Xuchen Wang, Sergei A. Tretyakov
Conventional coherent absorption occurs only when two incident beams exhibit mirror symmetry with respect to the absorbing surface, i.e., the two beams have the same incident angle…
Controlling surface waves with temporal discontinuities of metasurfaces
Xuchen Wang, Mohammad Sajjad Mirmoosa, Sergei A. Tretyakov
In this paper, we investigate the scattering of surface waves on reactive impedance boundaries when the surface impedance undergoes a sudden change in time. We report three exotic…