Graphene-based hyperbolic metamaterial
WebNov 28, 2013 · Graphene-based hyperbolic metamaterials exhibit a strong Purcell effect that could be used for boosting terahertz emission in semiconductor devices. Nature Photonics offers a unique mix of news and reviews alongside top-quality … WebJun 7, 2024 · Photoexcited graphene can behave as the gain medium aiming to come up with the coherent radiation at low THz spectral region. However, its response is very …
Graphene-based hyperbolic metamaterial
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WebOct 7, 2024 · We have theoretically shown that a complex resonator containing an asymmetric hyperbolic material based on a periodic nanostructure, including layers of inverted graphene and semiconductor, allows single-mode generation of THz radiation. WebJun 27, 2014 · Graphene-based hyperbolic metamaterials Our graphene-based HMM is representatively shown in Fig. 1 (a). It is a graphene multilayer structure in which separations between graphene sheets...
WebJan 28, 2024 · graphene and hyperbolic metamaterial-based structure. IEEE Photonics. Journal, 11(4), pp.1-10. Citations (0) References (41) ResearchGate has not been able to resolve any citations for this ... WebNov 27, 2024 · Some composite structures based on graphene and natural hyperbolic materials are proposed to regulate the spontaneous emission [ 52, 53 ]. In this paper, we study the spontaneous emission of a quantum emitter near a sandwich structure stacked by graphene, HMMs made from SiC nanowires, and graphene.
WebApr 10, 2024 · Coupling of surface plasmon polaritons (SPPs) supported by graphene and hyperbolic phonon polaritons (HPPs) supported by hyperbolic materials (HMs) could effectively promote photo WebJul 13, 2013 · Graphene-based hyperbolic metamaterial Abstract: We introduce a graphene-based composite multilayer structure that exhibits hyperbolic-like wavevector dispersion at terahertz and mid-infrared frequencies. The multilayer structure comprises graphene sheets separated by dielectric layers.
WebA kind of tunable hyperbolic metamaterial (HMM) based on the graphene-dielectric layered structure at near-infrared frequencies is presented, and the engineered surface Bloch waves between graphene-based HMM and isotropic medium are investigated. Our calculations demonstrate that the frequency and frequency range of surface Bloch waves …
WebFeb 1, 2024 · The graphene plasmonic nano-ribbons are used and silicon slabs are improvised between the graphene to reduce its drawback by providing a hyperbolic metamaterial lens. Abstract Demand for an antenna with high gain and directivity for medical sensing is necessary so the Vivaldi antenna in the THz spectrum with … earn and learn vic govWebSep 10, 2024 · The GH effect at the interface of a graphene-based hyperbolic metamaterial slab is investigated. A Gaussian beam with TM polarization in a total … earnandlearn govWebDec 22, 2014 · On the other hand, due to two dimensional nature and metallic characteristics of graphene in the frequency range where hexagonal Boron Nitride behaves as a type-I hyperbolic Metamaterial, we have ... csv file webullWebNov 1, 2024 · So, we have selected graphene-based hyperbolic metamaterial as a defect layer, in which graphene is placed between the adjacent dielectric layers. PCs are able to create a range of disallowed bands of wavelengths known as photonic band gaps (PBGs) [37, 38]. What makes PCs to be the exceptional materials is their tunability by allowing or ... csv file type stand forWebJun 9, 2024 · Graphene-based hyperbolic metamaterials are well known for their optical anisotropy, high absorption of electromagnetic radiation, and low energy loss. We proposed a novel multilayer graphene-silica hyperbolic metamaterial designed as a grating structure providing narrowband near-perfect absorption of radiation in a mid-infrared band. The … csvfileview downloadWebGraphene based hyperbolic metamaterial for tunable mid-infrared biosensing Sarah Cynthia, a Rajib Ahmed, b Sharnali Islam, a Khaleda Ali a and Mainul Hossain *a Author affiliations Abstract Plasmonic biosensors, operating in the mid-infrared (mid-IR) region, are well-suited for highly specific and label-free optical biosensing. earn and learn australiaWebJul 13, 2013 · Graphene-based hyperbolic metamaterial. Abstract: We introduce a graphene-based composite multilayer structure that exhibits hyperbolic-like … csv file upload in php