3 citations · 7 across the 17 of their papers we have counts for
17 papers
Space-Time Event Scattering and Extension Method (STESEM): A Universal Framework for Scattering in Space-Time Metamaterials
Klaas De Kinder, Amir Bahrami, Christophe Caloz
Space-time metamaterials offer unprecedented control over electromagnetic waves by enabling simultaneous manipulation of spatial and temporal degrees of freedom. However, analytica…
Space-Time Lensing by Accelerated Interfaces in Dispersive Media
Cédric D'Exelle, Klaas De Kinder, Christophe Caloz
We present space-time lensing by synthetic accelerated interfaces in dispersive media. Frequency-dependent group velocities map spectral components of a pulse onto distinct traject…
MIMO Capacity Enhancement by Grating Walls: A Physics-Based Proof of Principle
Xiaolu Yang, Oscar Cespedes Vicente, Christophe Caloz
This paper investigates the passive enhancement of MIMO spectral efficiency through boundary engineering in a simplified two dimensional indoor proof of principle model. The propag…
Scattering at Space-Time Interfaces between Dispersive Media
Klaas De Kinder, Christophe Caloz
Dynamic modulation of material properties in space and time enables powerful control over wave propagation, yet existing theories largely rely on idealized, nondispersive models. I…
Scattering at Interluminal Interfaces
Zhiyu Li, Klaas De Kinder, Xikui Ma +1
Scattering at interluminal modulation interfaces, where a sharp space-time perturbation moves at a velocity lying between the wave velocities of the two surrounding media, has rema…
Dispersion-Mediated Space-Time States
Klaas De Kinder, Christophe Caloz
Space-time varying media enable unprecedented control over electromagnetic waves, yet most existing studies assume idealized, nondispersive materials and thus fail to capture the i…
Access to Klein Tunneling via Space-Time Modulation
Furkan Ok, Amir Bahrami, Christophe Caloz
We show that space-time modulation of electromagnetic potentials enables Klein tunneling far below the static threshold. The derived kinematics reveal oblique transitions that can…
Space-Time Graded-Index Interfaces and Related Chirping
Zhiyu Li, Xikui Ma, Klaas De Kinder +2
Space-time modulated systems have recently emerged as a powerful platform for dynamic electromagnetic processing in both space and time. Most of the related research so far has ass…
Analog OFDM based on Real-Time Fourier Transformation
Xiaolu Yang, Oscar Céspedes Vicente, Christophe Caloz
This paper proposes an analog orthogonal frequency division multiplexing (OFDM) architecture based on the real-time Fourier transform (RTFT). The core enabling component is a linea…
Doppler Pulse Amplification
Klaas De Kinder, Amir Bahrami, Christophe Caloz
The ability to amplify ultrashort pulses has revolutionized modern laser science, driving advances in various fields such as ultrafast optics and spectroscopy. A pivotal developmen…
Scattering and Chirping at Accelerated Interfaces
Klaas De Kinder, Amir Bahrami, Christophe Caloz
Space-time varying media with moving interfaces unlock new ways to manipulate electromagnetic waves. Yet, analytical solutions have been mostly limited to interfaces moving at cons…
Space-Time Wedges
Amir Bahrami, Klaas De Kinder, Zhiyu Li +1
Space-time-modulated systems have attracted significant interest over the past decade due to their ability to manipulate electromagnetic waves in unprecedented ways. Here, we intro…
Theory of Seamless-Scanning Periodic Leaky-Wave Antennas based on -Symmetry with Time to Space Mapping
Amar Al-Bassam, Simon Otto, Dirk Heberling +1
Periodic Leaky-Wave Antennas (P-LWA) offer highly directive and space-scanning radiation. Unfortunately, they have been plagued by the ``broadside issue'', characterized by a degra…
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…
Electromagnetic Scattering at an Arbitrarily Accelerated Interface
Klaas De Kinder, Christophe Caloz
We present a general analytical solution to the problem of electromagnetic scattering at a one-dimensional arbitrarily accelerated space-time engineered-modulation (ASTEM) interfac…
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…
Nonuniform metasurface analysis in FDTD Based on Susceptibility GSTCs
Xiao Jia, Maokun Li, Shenheng Xu +2
An accelerated analysis method for non-uniform metasurfaces in FDTD is presented for the first time. The non-uniform metasurfaces are modeled by a distribution of susceptibilities,…