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Plasmon-induced-transparency (PIT) in nanostructures has been intensively investigated, however, no existing metasurface nanostructure exhibits all-optically tunable properties, where the number of transparency windows can be tuned…

Optics · Physics 2019-09-04 Jietao Liu , Ioannis Papakonstantinou , Haifeng Hu , Xiaopeng Shao

In this paper, we present a metamaterial structure of Dirac and vanadium dioxide and investigate its optical properties using the finite-difference time-domain (FDTD) technique. Using the phase transition feature of vanadium dioxide, the…

Optics · Physics 2023-12-20 Di Ke , Xie Meng , Xia Hua Rong , Cheng An Yu , Liu Yu , Du Jia Jia

As an analogue of electromagnetically induced transparency (EIT), plasmon-induced transparency (PIT) has been realized both in plasmonic metamaterial and waveguide structures. Via near-field coupling within unit cells, PIT with broadband…

Plasmon induced transparency (PIT) effect in a terahertz graphene metamaterial is numerically and theoretically analyzed. The proposed metamaterial comprises of a pair of graphene split ring resonators placed alternately on both sides of a…

Plasmon-induced transparency (PIT) in advanced materials has attracted extensive attention for both theoretical and applied physics. Here, we considered a scheme that can produce PIT and studied the characteristics of ultraslow low-power…

Pattern Formation and Solitons · Physics 2021-08-05 Jiaxi Cheng , Siliu Xu , Shengwang Jiang , Zhiqiang Bo

A hybrid metal-graphene metamaterial (MM) is reported to achieve the active control of the broadband plasmon-induced transparency (PIT) in THz region. The unit cell consists of one cut wire (CW), four U-shape resonators (USRs) and monolayer…

In this article, we examine plasmon induced transparency (PIT) effect in a parallel plate waveguide (PPWG) comprising of two similar pyramidal shaped grooves. One of the grooves is filled with air, while the other is filled with a…

Optics · Physics 2021-04-07 KM Dhriti , Maidul Islam , Angana Bhattacharya , Amir Ahmad , Gagan Kumar

The gain-assisted plasmonic analogue of electromagnetically induced transparency (EIT) in a metallic metamaterial is investigated for the purpose to enhance the sensing performance of the EIT-like plasmonic structure. The structure is…

In this paper, we theoretically and experimentally demonstrate a three dimensional metamaterial that can motivate electromagnetic induced transparency (EIT) by using circular polarized wave as stimulations. The unit cell consists of a pair…

Classical Physics · Physics 2017-01-25 Hai Lin , Dong Yang , Song Han , Yangjie Liu , Helin Yang

Electromagnetically induced transparency (EIT) is a promising technology for the enhancement of light-matter interactions, and recent demonstrations of the quantum EIT realized in artificial micro-structured medium have remarkably reduced…

Optics · Physics 2016-05-10 Yuancheng Fan , Tong Qiao , Fuli Zhang , Quanhong Fu , Jiajia Dong , Botao Kong

In this study, we demonstrate first, to the best of our knowledge, robust and dynamically polarization-controlled tunable-high-Q PIT in designed nanostructures metasurface, whose sharp resonance is guaranteed by design and protected against…

Optics · Physics 2020-07-03 Jietao Liu , Zhi Liu , Ioannis Papakonstantinou , Xiaopeng Shao

We demonstrate that surface plasmons of a thin metal film interacting with a periodic array of nano-structures around it can be utilized to make bulk negative index metamaterials at visible spectrum with simultaneously negative permittivity…

Optics · Physics 2011-11-30 Muhammad I. Aslam , Durdu Ö. Güney

In this study, we investigate plasmon-induced transparency (PIT) in a resonator structure consisting of two orthogonally-arranged metal-insulator-metal (MIM) nanocavities with the aim of spectral modulation of a specific resonant order of…

Optics · Physics 2022-01-19 Naoki Ichiji , Atsushi Kubo

We investigate a dynamically controllable electromagnetically induced transparency-like metamaterial. The unit structure of the metamaterial consists of a low-quality-factor resonator and a high-quality-factor resonator. The field gradient…

In this paper, a new structure is proposed which is expected to realize dual-band electromagnetically induced transparency (EIT)-like effect in terahertz spectrum. It can be regarded as a metamaterial of grating-like elements composed of…

Optics · Physics 2022-01-12 Chaoying Zhao , Jiahao Hu

We demonstrate on-demand control of localized surface plasmons in metamaterials by means of incident light polarization. An asymmetric mode, selectively excited by s-polarized light, interfere destructively with a bright element, thereby…

Quantum Physics · Physics 2010-10-12 Hua Xu , Byoung Seung Ham

In the phenomenon of electromagnetically induced transparency1 (EIT) of a three-level atomic system, the linear susceptibility at the dipole-allowed transition is canceled through destructive interference of the direct transition and an…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Hugen Yan , Tony Low , Francisco Guinea , Fengnian Xia , Phaedon Avouris

We report hybridization induced transparency (HIT) in a composite medium consisting of a metamaterial and a dielectric. We develop an analytic model that explains HIT by coherent coupling between the hybridized local fields of the…

Optics · Physics 2011-11-09 Peter Weis , Juan Luis Garcia-Pomar , René Beigang , Marco Rahm

We present a microscopic model for exciton-induced transparency (ExIT) in a hybrid system comprised of an emitter resonantly coupled to a surface plasmon in a metal-dielectric structure. We obtain an effective optical polarizability of such…

Mesoscale and Nanoscale Physics · Physics 2020-11-18 Tigran V. Shahbazyan

We consider an array of the meta-atom consisting of two cut-wires and a split-ring resonator interacting with an electromagnetic field with two polarization components. We prove that such metamaterial system can be taken as a classical…

Optics · Physics 2017-11-10 Qi Zhang , Zhengyang Bai , Guoxiang Huang
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