Modulating the near field coupling through resonator displacement in planar terahertz metamaterials

SJ Mohan Rao, D Kumar, G Kumar… - Journal of Infrared …, 2017 - Springer
We present the effect of vertical displacements between the resonators inside the unit cell of
planar coupled metamaterials on their near field coupling and hence on the terahertz (THz) …

Probing the near-field inductive coupling in broadside coupled terahertz metamaterials

SJM Rao, D Kumar, G Kumar… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
We discuss near-field coupling between the pair of split ring resonators (SRRs) in broadside
coupled terahertz (THz) metamaterials and examine resonance split and tuning of …

A broadband planar terahertz metamaterial with nested structure

DR Chowdhury, R Singh, M Reiten, HT Chen… - Optics express, 2011 - opg.optica.org
We demonstrate the broadening of fundamental resonance in terahertz metamaterial by
successive insertion of metal rings in the original unit cell of a split ring resonator (SRR) …

Broadening of resonance with the bending of strongly coupled strip resonators in a planar terahertz metamaterial

BS Chouhan, B Barman, LK Vaswani… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
This research article focuses on investigating the broadening of fundamental resonance in a
terahertz metamaterial via the bending of strip resonators placed in close proximity. The two …

Coupling effect of spiral-shaped terahertz metamaterials for tunable electromagnetic response

D Wang, C Qiu, M Hong - Applied Physics A, 2014 - Springer
Coupling effect in spiral-shaped metamaterials composed of four half rings at different sizes
is investigated to achieve tunability in THz range. This novel spiral-shaped structure was …

Orthogonally twisted planar concentric split ring resonators towards strong near field coupled terahertz metamaterials

DR Chowdhury, JF O'Hara, AJ Taylor… - Applied Physics …, 2014 - pubs.aip.org
We present strongly coupled planar terahertz metamaterials in which the metamolecule
design comprised two concentric split ring resonators (SRRs) with their capacitive gaps …

Tailored resonator coupling for modifying the terahertz metamaterial response

DR Chowdhury, R Singh, M Reiten, J Zhou… - Optics express, 2011 - opg.optica.org
We experimentally and numerically study the nature of coupling between laterally paired
terahertz metamaterial split-ring resonators. Coupling is shown to modify the inductive …

Frequency tunable terahertz metamaterials using broadside coupled split-ring resonators

E Ekmekci, AC Strikwerda, K Fan, G Keiser… - Physical Review B …, 2011 - APS
We present frequency tunable metamaterial designs at terahertz (THz) frequencies using
broadside coupled split-ring resonator (BC-SRR) arrays. Frequency tuning, arising from …

Tunable multiband terahertz metamaterials using a reconfigurable electric split-ring resonator array

F Ma, YS Lin, X Zhang, C Lee - Light: Science & Applications, 2014 - nature.com
We demonstrate micromachined reconfigurable metamaterials working at multiple
frequencies simultaneously in the terahertz range. The proposed metamaterial structures …

Gradual cross polarization conversion of transmitted waves in near field coupled planar terahertz metamaterials

SJM Rao, R Sarkar, G Kumar, D Roy Chowdhury - OSA Continuum, 2019 - opg.optica.org
In this work, we examine gradual cross polarization conversion using two coupled circular
split ring resonators (SRRs) in the terahertz (THz) frequency regime. In the proposed …