نتایج جستجو برای: plasmonic peak

تعداد نتایج: 153945  

Differential global surface impedance (DGSI) model, a rigorous approach, has been applied to the analysis of three dimensional plasmonic circuits. This model gives a global relation between the tangential electric field and the equivalent surface electric current on the boundary of an object. This approach helps one bring the unknowns to the boundary surface of an object and so avoid volumetric...

Journal: :Nano letters 2015
Damon B Farmer Daniel Rodrigo Tony Low Phaedon Avouris

Graphene plasmonic structures with long-range layering periodicity are presented. Resonance energy scaling with the number of graphene layers involved in plasmonic excitation allows these structures to support multiple plasmonic modes that couple and hybridize due to their physical proximity. Hybridized states exhibit bandwidth enhancements of 100-200% compared to unhybridized modes, and resona...

2014
S. M. Prokes O. J. Glembocki Erin Cleveland Josh D. Caldwell Edward Foos Jaakko Niinistö Mikko Ritala

The plasmonic behavior of Ag thin films produced by plasma enhanced atomic layer deposition (PEALD) has been investigated. We show that as-deposited flat PEALD Ag films exhibit unexpected plasmonic properties, and the plasmonic enhancement can differ markedly, depending on the microstructure of the Ag film. Electromagnetic field simulations indicate that this plasmonic behavior is due to air ga...

2014
Alexandra Boltasseva

A review report on nanoimprinted plasmonic components is given. The fabrication of different metal–dielectric geometries and nanostructured surfaces that support either propagating or localized surface plasmon modes is discussed. The main characteristics and advantages of the nanoimprint technology for the fabrication of various plasmonic structures are outlined. The discussion of plasmonic wav...

Journal: :Optics express 2011
Maysamreza Chamanzar Ali Adibi

We show that efficient coupling of lightwave is possible to an individual plasmonic nanoresonator in a hybrid plasmonic-photonic resonator structure. The proposed hybrid structure consists of a photonic microresonator strongly coupled to a plasmonic nanoresonator. The theory and simulation results show that more than 73% of the input power in the waveguide can be coupled to the localized resona...

2014
Alireza Bonakdar Sung Jun Jang Hooman Mohseni

Articles you may be interested in Fabrication and optical properties of controlled Ag nanostructures for plasmonic applications Formation of triplet and quadruplet plasmonic nanoarray templates by holographic lithography Appl. Sensing properties of infrared nanostructured plasmonic crystals fabricated by electron beam lithography and argon ion milling Fabrication of sub-10nm gap arrays over lar...

Journal: :Nano letters 2015
Kitty Y M Yeung Jingyee Chee Yi Song Jing Kong Donhee Ham

The dispersion relation of plasmons in graphene with a periodic lattice of apertures takes a band structure. Light incident on this plasmonic crystal excites only particular plasmonic modes in select bands. The selection rule is not only frequency/wavevector matching but also symmetry matching, where the symmetry of plasmonic modes originates from the point group symmetry of the lattice. We dem...

Journal: :Physical review letters 2014
Tony Low Francisco Guinea Hugen Yan Fengnian Xia Phaedon Avouris

We study the midinfrared plasmonic response in Bernal-stacked bilayer graphene. Unlike its monolayer counterpart, bilayer graphene accommodates optically active phonon modes and a resonant interband transition at infrared frequencies. They strongly modify the plasmonic properties of bilayer graphene, leading to Fano-type resonances, giant plasmonic enhancement of infrared phonon absorption, a n...

Journal: :Photonics 2022

A complementary metal-oxide-semiconductor (CMOS)-compatible carrier-injection plasmonic micro-ring modulator (CIPMRM) is designed and analyzed theoretically. The CIPMRM has a compacted footprint of 49.3 μm2 (R = 2 μm), bit rate 36.5 Gbps, insertion loss −9.8 dB, static extinction ratio 21.7 energy consumption 4.40 pJ/bit as 2.2 V peak-to-peak voltage applied at 1550 nm. Besides, the method reso...

2014
V. G. Kravets R. Jalil Y.-J. Kim D. Ansell D. E. Aznakayeva B. Thackray L. Britnell B. D. Belle F. Withers I. P. Radko Z. Han S. I. Bozhevolnyi K. S. Novoselov A. K. Geim A. N. Grigorenko

Plasmonics has established itself as a branch of physics which promises to revolutionize data processing, improve photovoltaics, and increase sensitivity of bio-detection. A widespread use of plasmonic devices is notably hindered by high losses and the absence of stable and inexpensive metal films suitable for plasmonic applications. To this end, there has been a continuous search for alternati...

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