Broadband absorber with periodically sinusoidally-patterned graphene layer in terahertz range

L Ye, Y Chen, G Cai, N Liu, J Zhu, Z Song, QH Liu - Optics express, 2017 - opg.optica.org
We demonstrate that a broadband terahertz absorber with near-unity absorption can be
realized using a net-shaped periodically sinusoidally-patterned graphene sheet, placed on …

Active Nanophotonic Circuitry Based on Dielectric‐loaded Plasmonic Waveguides

AV Krasavin, AV Zayats - Advanced Optical Materials, 2015 - Wiley Online Library
Surface plasmon polaritons provide a unique opportunity to localize and guide optical
signals on deeply subwavelength scales and can be used as a prospective information …

Tunable light trapping and absorption enhancement with graphene ring arrays

S Xiao, T Wang, Y Liu, C Xu, X Han… - Physical Chemistry …, 2016 - pubs.rsc.org
Surface plasmon resonance (SPR) has been intensively studied and widely employed for
light trapping and absorption enhancement. In the mid-infrared and terahertz (THz) regime …

Graphene-based couplers: a brief review

MB Heydari, MHV Samiei - arXiv preprint arXiv:2010.09462, 2020 - arxiv.org
Graphene is an interesting debated topic between scientists because of its unique
properties such as tunable conductivity. Graphene conductivity can be varied by either …

Simulation of dynamically tunable and switchable electromagnetically induced transparency analogue based on metal-graphene hybrid metamaterial

M Chen, Z Xiao, X Lu, F Lv, Y Zhou - Carbon, 2020 - Elsevier
A planar terahertz electromagnetically induced transparency-like (EIT-like) metamaterial,
comprising an outer circular ring resonator (CRS) made by graphene, an inner vertical two …

Tunable broadband terahertz absorber based on multilayer graphene-sandwiched plasmonic structure

Y Cai, KD Xu - Optics express, 2018 - opg.optica.org
We numerically demonstrate a tunable broadband terahertz absorber with near-unity
absorption by using multilayer graphene ribbons sandwiched in a plasmonic integrated …

Add drop multiplexers for terahertz communications using two-wire waveguide-based plasmonic circuits

Y Cao, K Nallappan, G Xu, M Skorobogatiy - Nature Communications, 2022 - nature.com
Terahertz (THz) band is considered to be the next frontier in wireless communications. The
emerging THz multiplexing techniques are expected to dramatically increase the information …

Quantitatively optical and electrical-adjusting high-performance switch by graphene plasmonic perfect absorbers

X Liu, G Liu, P Tang, G Fu, G Du, Q Chen, Z Liu - Carbon, 2018 - Elsevier
Graphene nano-structures have been widely studied as means of creating resonant
absorption and index tunability by graphene plasmons. However, only the relatively low …

Design of a tunable graphene plasmonic-on-white graphene switch at infrared range

A Farmani, A Zarifkar, MH Sheikhi, M Miri - Superlattices and …, 2017 - Elsevier
A tunable Y-branch graphene plasmonic switch operating at the wavelength of 1.55 μm is
proposed in which graphene is placed on white graphene. The switch structure is …

Graphene-based hybrid plasmonic waveguide for highly efficient broadband mid-infrared propagation and modulation

L Ye, K Sui, Y Liu, M Zhang, QH Liu - Optics express, 2018 - opg.optica.org
In this paper, a graphene-based hybrid plasmonic waveguide is proposed for highly efficient
broadband surface plasmon polariton (SPP) propagation and modulation at mid-infrared …