Reconfigurable metamaterials for optoelectronic applications
In recent years, electromagnetic characteristics of metamaterials has aroused great interest
because of innovative fundamental understanding as well as promising potential …
because of innovative fundamental understanding as well as promising potential …
Strong terahertz matter interaction induced ultrasensitive sensing in Fano cavity based stacked metamaterials
S Karmakar, D Kumar, RK Varshney… - Journal of Physics D …, 2020 - iopscience.iop.org
Strong interaction between terahertz (THz) and matter is a topic of paramount importance,
considering continuously enhanced interest in THz photonics as well as condensed matter …
considering continuously enhanced interest in THz photonics as well as condensed matter …
Ultrasensitive specific sensor based on all-dielectric metasurfaces in the terahertz range
Y Zhong, L Du, Q Liu, L Zhu, K Meng, Y Zou, B Zhang - RSC advances, 2020 - pubs.rsc.org
An ultrasensitive specific sensor based on all-dielectric metasurfaces in the terahertz range
was proposed. The designed metasurfaces consist of multi pairs of tilted silicon bars on a …
was proposed. The designed metasurfaces consist of multi pairs of tilted silicon bars on a …
Magnetic wire: transverse magnetism in a one-dimensional plasmonic system
We experimentally demonstrate magnetic wire in a coupled, cut-wire pair-based
metasurface operating at the terahertz frequencies. A dominant transverse magnetic dipole …
metasurface operating at the terahertz frequencies. A dominant transverse magnetic dipole …
Lattice-induced plasmon hybridization in metamaterials
S Karmakar, D Kumar, RK Varshney… - Optics Letters, 2020 - opg.optica.org
We explore an inherent connection between two fundamental concepts of physics–
resonance (eigen mode) hybridization and lattice effect in sub-wavelength periodic …
resonance (eigen mode) hybridization and lattice effect in sub-wavelength periodic …
Dynamically tunable slow light characteristics in graphene based terahertz metasurfaces
We propose a graphene based metasurface exhibiting dynamic slow light behavior via
electromagnetically induced transparency (EIT) effect in the terahertz regime. The unit cell of …
electromagnetically induced transparency (EIT) effect in the terahertz regime. The unit cell of …
Magnetospectroscopy of terahertz surface plasmons in subwavelength perforated superlattice thin-films
S Karmakar, D Kumar, RK Varshney… - Journal of Applied …, 2022 - pubs.aip.org
Surface plasmons, the resonant oscillations of conducting electrons at the interface of
negative and positive permittivity materials, pave the way for enhanced electromagnetic …
negative and positive permittivity materials, pave the way for enhanced electromagnetic …
Resonance phenomena in electromagnetic metamaterials for the terahertz domain: a review
S Banerjee, BP Pal… - Journal of Electromagnetic …, 2020 - Taylor & Francis
Most electromagnetic phenomena pertaining to metamaterials are observed at the
resonance positions. In this review, we have collated and analyze the most prevalent forms …
resonance positions. In this review, we have collated and analyze the most prevalent forms …
Magnetotransport‐Induced Non‐Contact Terahertz Detection of Weak Magnetic Fields in Optically Thin Frequency‐Agile Superlattice Metasurfaces
Magnetotransport, the magnetic field induced electron transport phenomenon through
metals and semiconductors, has proven to be a useful technique to tailor the properties of …
metals and semiconductors, has proven to be a useful technique to tailor the properties of …
Broadside-coupling–enabled insulator-to-metal transition in a terahertz metasurface
S Mallick, DR Chowdhury - Europhysics Letters, 2022 - iopscience.iop.org
We theoretically demonstrate stacked-dipole-resonators–based (broadside near-field
coupling configuration) multilayer metasurfaces separated by a vanadium dioxide film to …
coupling configuration) multilayer metasurfaces separated by a vanadium dioxide film to …