117 citations · 286 across the 10 of their papers we have counts for
10 papers
Photoswitchable exceptional points derived from bound states in the continuum
Lei Wang, Hang Liu, Junwei Liu +11
Bound states in the continuum (BICs) and exceptional points (EPs), as two distinct physical singularities represented by complex frequencies in non-Hermitian systems, have garnered…
Frequency-selective terahertz wave amplification by a time-boundary-engineered Huygens metasurface
Fu Deng, Fengjie Zhu, Xiaoyue Zhou +7
Ultrafast manipulation of optical resonance can establish the time-boundary effect in time-variant media leading to a new degree of freedom for coherent control of electromagnetic…
Physics-informed Inverse Design of Multi-bit Programmable Metasurfaces
Yucheng Xu, Jia-Qi Yang, Kebin Fan +8
Emerging reconfigurable metasurfaces offer various possibilities in programmatically manipulating electromagnetic waves across spatial, spectral, and temporal domains, showcasing g…
Extremely thin perfect absorber by generalized multipole bianisotropic effect
Hao Ma, Andrey B. Evlyukhin, Andrey E. Miroshnichenko +8
Symmetry breaking plays a crucial role in understanding the fundamental physics underlying numerous physical phenomena, including the electromagnetic response in resonators, giving…
Manipulating THz Spin Current Dynamics by the Dzyaloshinskii-Moriya Interaction in Antiferromagnetic Hematite
Hongsong Qiu, Tom Sebastian Seifert, Lin Huang +12
An important vision of modern magnetic research is to use antiferromagnets as controllable and active ultrafast components in spintronic devices. Hematite is a promising model mate…
Graphene Reflectarray Metasurface for Terahertz Beam Steering and Phase Modulation
Michele Tamagnone, Santiago Capdevila, Antonio Lombardo +6
We report a THz reflectarray metasurface which uses graphene as active element to achieve beam steering, shaping and broadband phase modulation. This is based on the creation of a…
Excitation, detection, and electrostatic manipulation of terahertz-frequency range plasmons in a two-dimensional electron system
Jingbo Wu, Alexander S. Mayorov, Christopher D. Wood +8
Terahertz time domain spectroscopy employing free-space radiation has frequently been used to probe the elementary excitations of low-dimensional systems. The diffraction limit blo…
Terahertz Nonlinear Superconducting Metamaterials
Caihong Zhang, Biaobing Jin, Jiaguang Han +7
We investigate the nonlinear effect of a planar superconducting metamaterial made from niobium nitride (NbN) at terahertz frequencies. As the variation of the incident intense tera…
High-Q terahertz metamaterial from superconducting niobium nitride films
C. H. Zhang, J. B. Wu, B. B. Jin +5
We present in this letter terahertz (THz) metamaterials with low ohmic losses made from low-temperature superconductor niobium nitride (NbN) films. The resonance properties are cha…
Low Loss and Magnetic Field-tuned Superconducting THz Metamaterial
Biaobing Jin, Caihong Zhang, Sebastian Engelbrecht +8
Superconducting terahertz (THz) metamaterial (MM) made from superconducting Nb film has been investigated using a continuous-wave THz spectroscopy with a superconducting split-coil…