Symmetric metasurface with dual band polarization-independent high-Q resonances governed by symmetry-protected BIC

Y Cai, Y Huang, K Zhu, H Wu - Optics Letters, 2021 - opg.optica.org
In this Letter, we propose a symmetric metasurface composed of single-sized amorphous-
silicon (a-Si) cuboids tetramer clusters that support two resonances with opposite symmetry …

Terahertz bound states in the continuum with incident angle robustness induced by a dual period metagrating

W Shi, J Gu, X Zhang, Q Xu, J Han, Q Yang… - Photonics …, 2022 - opg.optica.org
Metasurface-empowered bound state in the continuum (BIC) provides a unique route for
fascinating functional devices with infinitely high quality factors. This method is particularly …

Tunable beam steering at terahertz frequencies using reconfigurable metasurfaces coupled with liquid crystals

B Vasić, G Isić, R Beccherelli… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Metasurfaces with a spatially varying phase profile enable the design of planar and compact
devices for manipulating the radiation pattern of electromagnetic fields. Aiming to achieve …

Terahertz metasurface with multiple BICs/QBICs based on a split ring resonator

X Zhang, W Shi, J Gu, L Cong, X Chen, K Wang… - Optics …, 2022 - opg.optica.org
Bound state in the continuum (BIC) refers to the trapped state in the radiation continuum of a
system. In the terahertz band, BIC provides a unique and feasible method to design devices …

Guided‐Mode Resonances in All‐Dielectric Terahertz Metasurfaces

S Han, MV Rybin, P Pitchappa… - Advanced Optical …, 2020 - Wiley Online Library
Coupling of diffracted waves in gratings with the waveguide modes gives rise to the guided
mode resonances (GMRs). The GMRs provide designer linewidth and resonance intensity …

Terahertz high-Q quasi-bound states in the continuum in laser-fabricated metallic double-slit arrays

D Liu, X Yu, F Wu, S **ao, F Itoigawa, S Ono - Optics Express, 2021 - opg.optica.org
A laser-fabricated metallic resonator based on a double-slit array (DSA) is numerically and
experimentally demonstrated at terahertz frequencies. Such free-standing resonators …

Proposal for a quad-elliptical photonic crystal fiber for terahertz wave guidance and sensing chemical warfare liquids

I Yakasai, PE Abas, SF Kaijage, W Caesarendra… - Photonics, 2019 - mdpi.com
A porous-core photonic crystal fiber based on a cyclic olefin homopolymer (Zeonex) is
proposed; it shows high birefringence, high core power fraction, low losses, and near-zero …

Metasurface-based filters for high data rate THz wireless communication: Experimental validation of a 14 Gbps OOK and 104 Gbps QAM-16 wireless link in the 300 …

D Pirrone, A Ferraro, DC Zografopoulos… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
We demonstrate the effectiveness of frequency selective surface filters in wireless
communications at low terahertz (THz) frequencies. Full-wave simulations of pass-band …

Characterization of a pentagonal CSRR bandpass filter for terahertz applications

BE Caroline, K Sagadevan, SK Danasegaran… - Journal of Electronic …, 2022 - Springer
With the fast magnification of terahertz (THz) technology, it becomes necessary to regulate
the terahertz wave transmittance resourcefully. THz filters are crucial for managing devices …

[HTML][HTML] Multiple Fano resonances inspired by bound states in all-dielectric double-opening resonant ring metasurfaces

Y Qi, Q Shi, S Zhao, Z Zhou, X Wang - Results in Physics, 2024 - Elsevier
Sensors are important tools in the fields of biology and chemistry. Highly sensitive, robust
and low-cost sensors and their preparation methods have always constituted a research …