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We study the optical properties associated to both the polariton gap and the Bragg gap in periodic resonator-waveguide coupled system, based on the temporal coupled mode theory and the transfer matrix method. By the complex band and the…

Optics · Physics 2015-12-09 Z. Z. Liu , Q. Zhang , J. J. Xiao

A combination of gap waveguide technology and the traditional coplanar waveguide is studied in detail and demonstrated experimentally for the first time. This novel metamaterial transmission line is presented in three different…

Applied Physics · Physics 2023-03-09 Carlos Biurrun-Quel , Jorge Teniente , Carlos del-Rio

We report on the design and experimental characterization of a suspended silicon nitride subwavelength grating possessing a polarization-independent guided-mode resonance at oblique incidence. At this resonant wavelength we observe that the…

Optics · Physics 2022-01-25 Ali Akbar Darki , Søren Peder Madsen , Aurélien Dantan

We study dispersion properties of TM-polarized electromagnetic waves guided by a multilayer graphene metamaterial. We demonstrate that both dispersion and localization of the guided modes can be efficiently controlled by changing the number…

Optics · Physics 2015-06-18 Daria Smirnova , Ivan Iorsh , Ilya Shadrivov , Yuri Kivshar

We exploit multi-path fading propagation to improve both the signal-to-interference-plus-noise-ratio and the stability of wireless communications within electromagnetic environments that support rich multipath propagation. Quasi-passive…

Signal Processing · Electrical Eng. & Systems 2022-06-17 Jean Baptiste Gros , Geoffroy Lerosey , Fabrice Lemoult , Mir Lodro , Steve Greedy , Gabriele Gradoni

The spin-dependent routing of surface plasmons on metal by use of mirror symmetric periodic metasurface is presented and analyzed. We incorporate the intrinsic transverse spin angular momentum of the plasmonic wave in order to efficiently…

Optics · Physics 2018-10-24 Matan Revah , Andre Yaroshevsky , Yuri Gorodetski

We study the coherent properties of plasmon polaritons optically excited on periodic nanostructures. The gold grains are coupled to a single mode photonic waveguide which exhibits a dramatically reduced transmission originating from the…

Mesoscale and Nanoscale Physics · Physics 2015-09-16 Regine Frank

A blazed chirped Bragg grating in a planar silica waveguide device was used to create an integrated diffractive element for a spectrometer. The grating diffracts light from a waveguide and creates a wavelength dependent focus in a manner…

This paper considers the imaging of local perturbations of an infinite penetrable periodic layer. A cell of this periodic layer consists of several bounded inhomogeneities situated in a known homogeneous media. We use \mfied{a differential…

Mathematical Physics · Physics 2018-12-26 Fioralba Cakoni , Houssem Haddar , Thi-Phong Nguyen

We suggest that highly conducting oriented polymers with a fibril structure can be modeled by a regular lattice of disordered metallic wires with a random first-neighbor interwire coupling which mimics the cross-links between fibrils. We…

Condensed Matter · Physics 2024-10-04 N. Dupuis

In this paper, we propose a MIM (metallic metasurface-insulator-metal) stacked structure to realize perfect absorption in mid- and far- infrared bandwidth. A large number of metallic composite metallic units placed on a uniform layer of…

Optics · Physics 2022-05-20 Xing-Yu Xu , Zhong-Zhu Liang , Li Qin , Xue-Mei Su

In this paper we explore the transmission properties of single subwavelength apertures perforated in thin metallic films flanked by asymmetric configurations of periodic arrays of indentations. It is shown how the corrugation in the input…

Materials Science · Physics 2009-11-10 J. Bravo-Abad , F. J. Garcia-Vidal , L. Martin-Moreno

Resonance coupling in non-Hermitian systems can lead to exotic features, such as bound states in the continuum (BICs) and exceptional points (EPs), which have been widely employed to control the propagation and scattering of light. Yet,…

Optics · Physics 2022-04-01 Zi-Lan Deng , Feng-Jun Li , Huanan Li , Xiangping Li , Andrea Alù

Plasmonic waveguides are key elements in nanophotonic devices serving as optical interconnects between nanoscale light sources and detectors. Multimode operation in plasmonic two-wire transmission lines promises important degrees of freedom…

Optics · Physics 2019-04-26 Christian Schörner , Subhasis Adhikari , Markus Lippitz

Graphene offers a possibility for actively controlling plasmon confinement and propagation by tailoring its spatial conductivity pattern. However, implementation of this concept has been hampered because uncontrollable plasmon reflection is…

Applied Physics · Physics 2019-11-21 Ngoc Han Tu , Katsumasa Yoshioka , Satoshi Sasaki , Makoto Takamura , Koji Muraki , Norio Kumada

Periodic structures resonantly coupled to excitonic media allow the existence of extra intragap modes ('Braggoritons'), due to the coupling between Bragg photon modes and 3D bulk excitons. This induces unique and unexplored dispersive…

Other Condensed Matter · Physics 2015-05-05 Fabio Biancalana , Leonidas Mouchliadis , Celestino Creatore , Simon Osborne , Wolfgang Langbein

Stacked intelligent metasurfaces (SIM) have recently emerged as a promising technology, which can realize transmit precoding in the wave domain. In this paper, we investigate a SIM-aided integrated sensing and communications system, in…

Information Theory · Computer Science 2024-08-20 Haoxian Niu , Jiancheng An , Anastasios Papazafeiropoulos , Lu Gan , Symeon Chatzinotas , Mérouane Debbah

In this paper, the forward and backward propagating modes in an optical waveguide structure namely the fiber Bragg filter also considered as a one dimensional photonic crystal, are analytically computed as a function of grating length for…

General Physics · Physics 2014-05-29 Sourangsu Banerji

The characteristic impedance of a microwave transmission line is typically constrained to a value $Z_0$ = 50 $ \Omega$, in-part because of the low impedance of free space and the limited range of permittivity and permeability realizable…

Mesoscale and Nanoscale Physics · Physics 2019-07-24 Stefano Bosco , David P. DiVincenzo , David J. Reilly

In this paper, a bilateral asymmetric equilateral triangular ring (ETR) band-stop filter based on metal-insulator-metal (MIM) waveguide is proposed. The transmission spectrum and electric field distribution of the filter are simulated and…

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