First ten years of active metamaterial structures with “negative” elements
S Hrabar - EPJ Applied Metamaterials, 2018 - epjam.epj.org
Almost ten years have passed since the first experimental attempts of enhancing
functionality of radiofrequency metamaterials by embedding active circuits that mimic …
functionality of radiofrequency metamaterials by embedding active circuits that mimic …
Arbitrary-angle squint-free beamforming in series-fed antenna arrays using non-foster elements synthesized by negative-group-delay networks
H Mirzaei, GV Eleftheriades - IEEE Transactions on Antennas …, 2015 - ieeexplore.ieee.org
Beamforming in series-fed antenna arrays can inherently suffer from beam-squinting. To
overcome the beam-squinting problem, low-dispersion, fast-wave transmission lines can be …
overcome the beam-squinting problem, low-dispersion, fast-wave transmission lines can be …
Planar leaky-wave antenna featuring wideband fixed-beam radiation and tailorable directional angle for millimeter-wave applications
Inspired by the well-known power/energy leakage phenomenon between an unshielded
grounded coplanar waveguide (GCPW) and its neighboring parallel-plate waveguide …
grounded coplanar waveguide (GCPW) and its neighboring parallel-plate waveguide …
Homogenization of dispersive space-time crystals: anomalous dispersion and negative stored energy
JC Serra, MG Silveirinha - Physical Review B, 2023 - APS
We introduce a homogenization approach to characterize the dynamical response of a
generic dispersive space-time crystal in the long-wavelength limit. The theory is applied to …
generic dispersive space-time crystal in the long-wavelength limit. The theory is applied to …
Physically oriented design of negative capacitors based on Linvill's floating impedance converter
B Buiantuev, N Kalmykov, D Kholodnyak… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
In this article, we present a physically oriented design of broadband RF negative non-Foster
capacitors. The design procedure is based on the matrix decomposition of Linvill's floating …
capacitors. The design procedure is based on the matrix decomposition of Linvill's floating …
Toward self-oscillating non-Foster unit cell for future active metasurfaces
The concept of a self-oscillating non-Foster unit cell, intended for use in future active
metasurfaces, is introduced. It is based on two orthogonally polarized small antennas …
metasurfaces, is introduced. It is based on two orthogonally polarized small antennas …
Design of broadband non-Foster circuits based on resonant tunneling diodes
A non-Foster circuit (NFC) based on the resonant tunneling diode (RTD) is proposed for
application to broadband impedance matching of electrically small antennas (ESAs). NFCs …
application to broadband impedance matching of electrically small antennas (ESAs). NFCs …
Integrated electrical silicon interconnects for short-range high-speed millimeter-wave and terahertz communications
Z Lin, S Chen, Y Liang, L Peng - Integration, 2025 - Elsevier
Millimeter-wave and terahertz interconnects implemented in advanced complementary
metal oxide semiconductor (CMOS) technologies have emerged as promising solutions to …
metal oxide semiconductor (CMOS) technologies have emerged as promising solutions to …
Stability analysis of non-Foster circuit using normalized determinant function
Non-Foster elements are highly desired to overcome the bandwidth limit of electrically small
antennas, cloaking, and metamaterials. However, they are prone to be unstable and thus it …
antennas, cloaking, and metamaterials. However, they are prone to be unstable and thus it …
Broadband and ultrathin frequency-dispersive metamaterial screen for reflectivity reduction
T Deng, ZW Li, MJ Chua… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A frequency-dispersive magnetic material substrate is proposed to achieve the broad
bandwidth of metamaterial screens for microwave absorption. Resonance-like ferrites with …
bandwidth of metamaterial screens for microwave absorption. Resonance-like ferrites with …