Plasmonic antennas hybridized with dielectric waveguides felipe bernal arango, andrej kwadrin, and a. Study of frequencydependent plasmonic enhancement of a. Us8462334b2 sensor system with plasmonic nanoantenna array. Perfect absorption and phase singularities in plasmon antenna. Analytical approach the nano antenna and waveguide feed as shown in fig. Design and operation of a graphenebased plasmonic nano. Pdf integrated optical phased array nanoantenna system using. Unidirectional broadband radiation of honeycomb plasmonic. On the search for the practical plasmonic materials beyond noble metals, aluminum has been emerging as a favorable candidate as it is abundant and offers the possibility of tailoring the plasmonic resonance spanning from ultraviolet to the infrared range. The square array contains 100 100 holes with period a enon might come from the fact that psps not only change the300 nm. Tailoring of the tin antenna geometry enables precise tuning of the plasmon resonances from. Tunable plasmonic metasurfaces for optical phased arrays. Waveguidefed optical hybrid plasmonic patch nanoantenna.
The key issue when integrating such nanorod substrates is the question whether the plasmonic properties are superior to be applied in reflection or transmission. Coupling a single solidstate quantum emitter to an array. More importantly, calculations indicate that these collective resonances are linked to the strongly enhanced nearfield intensities 15. Huan yi, shiwei qu, senior member, ieee, and xue bai. Surface enhanced infrared spectroscopy using metal oxide. May 04, 2018 infrared gold antennas localize enhanced near fields close to the metal surface, when excited at the frequency of their plasmon resonance, and amplify vibrational signals from the nearby molecules.
Large scalable and compact hybrid plasmonic nanoantenna array. Plasmonic waveguidebased antenna for wide steering angle. Fabrication of a plasmonic nanoantenna array using metal. Once an array has been designed to focus towards a particular direction, it. Each element of the plasmonic array is an independent frontend, consisting of an onchip plasmonic source, modulator and antenna. Hybridized nanocavities as singlepolarized plasmonic antennas. The light with a te mode and a tm mode illuminates on the nanoaperture array, respectively. Wang,1 and mu wang1 1national laboratory of solid state microstructures and department of physics, nanjing university, nanjing 210093, peoples republic of china 2national synchrotron light source ii, brookhaven national laboratory, upton. Polarizationinsensitive plasmonic photoconductive terahertz emitters. Supported by the numerical simulations, we showed that the freestanding al bowtie arrays could be a powerful antenna platform for sers.
A long nanowire represented by the array of point dipoles. Inplane plasmonic antenna arrays with surface nanogaps for. Finally, we demonstrate that combined electron energy loss imaging of a plasmonic antenna and its babinet. The plasmonic antenna honeycomb array is investigated in symmetric and asymmetric con.
Dynamically controlled plasmonic nanoantenna phased array utilizing vanadium dioxide invited. To realize the desired phase shift between adjacent antenna elements, a plasmonic rotman lens is designed. Plasmonic antenna array at optical frequency made by nanoapertures z. Yshaped antennas were fabricated on a 180 nm film of vo2 deposited on a sapphire substrate, and their resonances were shown to depend on the temperature of the vo2 film in proximity of its. Ultrasensitive vibrational spectroscopy of protein. The number, geometrical arrangement, and relative amplitudes and phases of the array elements depend on the angular pattern that must be achieved. Inplane plasmonic antenna arrays with surface nanogaps.
Broad electrical tuning of grapheneloaded plasmonic antennas. Furthermore, we design two kinds of antenna arrays with the proposed plasmonic nanoantenna, including one and twodimensional arrays 1. Fullwave simulations with comsol multiphysics are utilized to design and illustrate the performance of a binary plasmonic phase shifter, a plasmonic nano antenna, and the plasmonic. Osa thermal tuning of midinfrared plasmonic antenna arrays. Here plasmonic antennas are arranged in arrays 23,24,25 that allow controlling the spatial distribution of the amplitude, polarization, and phase of the electromagnetic field with subwavelength. Hybridized nanocavities as singlepolarized plasmonic antennas ahmet ali yanik,1,2 ronen adato,1,2 shyamsunder erramilli,1,3 hatice altug1,2, 1 department of electrical and computer engineering, boston university, boston, ma, 02215, usa 2 boston university photonics center, boston, ma, 02215, usa 3 physics department, and department of biomedical engineering, boston university, boston ma. Plasmonic antenna array at optical frequency made by. Nanorod arrays, obtained by nsl technique, are investigated using.
In this paper, we report the experimental study of the frequencydependent plasmonic enhancement of a circular disk nanooptical antenna array referred to as nanoantenna. We demonstrate that the resonances of infrared plasmonic antennas can be tuned or switched onoff by taking advantage of the thermally driven insulatortometal phase transition in vanadium dioxide vo2. Twodimensional infrared spectroscopy with local plasmonic fields of a trimer gap antenna array. High sensitivity terahertz detection through largearea. The ito antennas show a strongly reduced plasmon wavelength, which holds promise for ultracompact antenna arrays and extremely subwavelength metamaterials. The pmdaa circuitry is integrated on the surface of a flexible photovoltaic solar. Us8462334b2 sensor system with plasmonic nanoantenna. There has also been extensive work on dipole antenna loading in the context of quantum plasmonic tunneling,25,26 where the.
Then, arrays of gold plasmonic single antennas array 50x50m2, antenna length. Resonant36 as well as nonresonant710 plasmonic detectors have been recently studied. Plasmonic antennas and arrays for optical imaging and. Pdf hybrid plasmonic waveguide fed broadband nanoantenna. Allplasmonic optical phased array integrated on a thinfilm. We achieved measurement of the vibrational spectra of proteins at zeptomole levels for the entire array, corresponding to only 145 molecules per antenna. Dec 01, 2014 using the centerfed plasmonic antenna as shown in fig. Plasmonic metamaterial dipole antenna array circuitry. The enhanced this results in narrower plasmonic far field resonances with absorption signals well above the noise level are observed for the respect to individual antenna as shown in fig. Request pdf on mar 5, 2021, shun kamada and others published plasmonic waveguidebased antenna for wide steering angle in the optical phased array find, read and cite all the research you need. Coupling a single solidstate quantum emitter to an array of. Dynamically controlled plasmonic nanoantenna phased. The novel plasmonic structure is a 3d diskcoupled dotsonpillar antenna array d2pa 3 fig.
Design of graphenebased plasmonic nanoantenna arrays in the. Inplane plasmonic antenna arrays with surface nanogaps for giant fluorescence enhancement. In this work, we introduce a plasmonic platform based on utshaped graphene antenna arrays. Plasmonic metamaterial dipole antenna array circuitry based. The scattering resonance of centerfed plasmonic antennas can be systematically tuned by engineering the suitably defined impedance of the feed element.
Despite their high efficiency and due to their reduced size, the total radiation power of individual nano antennas is expectedly very low. Design of graphenebased plasmonic nanoantenna arrays in. The substrate considerably degrades the antenna radiation pattern. Highthroughput nanofabrication of infrared plasmonic. Faculty of engineering and natural sciences sabanc. Express, 1719, broadband optical nano antenna has the novelty in terms of 1664616653 2009. Pdf tunable plasmonic metasurfaces for optical phased arrays. Thermal tuning of midinfrared plasmonic antenna arrays. Feb 16, 2017 scanning electron microscope image of a plasmonic nano antenna array fabricated on a ltgaas substrate with a nano antenna length of 2. Plasmonic antennas and arrays for optical imaging and sensing. Plasmonic antennas and arrays for optical imaging and sensing applications yan wang doctor of philosophy graduate department of edward s.
Article views are the countercompliant sum of full text article downloads since november 2008 both pdf and html across all institutions and individuals. A back side configured pointed dipole plasmonic optical. Pdf unidirectional broadband radiation of honeycomb. Aug 11, 2019 the designed plasmonic antenna has a good matching with the silicon waveguide in a wide band, and light is fed from the bottom of the nanoantenna via the silicon waveguide. Pdf room temperature terahertz plasmonic detection by. Cetin1,2, cihan yilmaz3, ahmet ali yanik1,2, sivasubramanian somu3, ahmed busnaina3 and hatice altug1,2 1 department of electrical and computer engineering, boston university, boston, ma 02215, usa 2 photonics center.
Plasmonic waveguidebased antenna for wide steering angle in. In this letter, in combination with the numerical electromagnetic simulations, we experimentally study the darkfield scattering spectral. Room temperature terahertz plasmonic detection by antenna arrays of fieldeffect transistors popov et al. The plasmonic optical antenna enhancement on the detecting speed and its effects on the frequencydependent photo cur rent have not been fully investigated. Bolometric detection of terahertz quantum cascade laser.
Largearea fabrication of tin nanoantenna arrays for refractory. These metrics are regularly updated to reflect usage leading up to the last few days. Near field properties and plasmonic effects of a periodic. In the following, we will particularly focus on the results obtained from the gold nanorod arrays as they act as very ef. Contrary to traditional optical elements, plasmonic antennas made from.
This type of phase distribution across the array of directors leads to. The radiation characteristics of the antenna arrays are investigated and both arrays have high gains and wide beam steering range without. Abstract plasmonic antennas and arrays for optical imaging and sensing applications yan wang doctor of philosophy graduate department of edward s. Since the analytical solution for the problem of electromagnetic response of fig. Darkfield scattering and local sers mapping from plasmonic. The frequency of the gated plasmons conned in the fet channel under the. Broad electrical tuning of grapheneloaded plasmonic. Modeling and performance analysis of areconfigurable. Jun 27, 2017 a broadband plasmonic metamaterial dipole antenna array pmdaa circuitry for self. Inplane plasmonic antenna arrays with surface nanogaps for giant fluorescence enhancement valentin flauraud, raju regmi, pamina m. First, the antenna honeycomb is analyzed in a symmetric con.
Nov 17, 2009 the combined collective and individual plasmonic responses of the antenna array play a critical role in attaining signal enhancement factors of 10 4 10 5. As a specific example, we experimentally show a realistic coupled plasmonic dipole antenna array with. Pdf ultrasensitive vibrational spectroscopy of protein. Gold nanorod antenna arrays provide ultrastrong plasmonic field enhancement and a superb broadband spectral tunability, as needed, for example, for labelfree biosensing, surfaceenhanced raman spectroscopy, or optical filter design. Room temperature terahertz plasmonic detection by antenna arrays of fieldeffect transistors. Femius koenderink center for nanophotonics, fom institute amolf, science park 104, 1098 xg amsterdam, the netherlands ahighly promising development in nanophotonics is the use of plasmonic antennas to interface near. Emerging plasmonic and photovoltaic applications bene. Request pdf design and operation of a graphenebased plasmonic nano antenna array for communication in the terahertz band terahertz thzband 0. Optical nanoantennas have a great potential for enhancing lightmatter interactions at the nanometer scale, yet fabrication accuracy and lack of scalability currently limit ultimate antenna performance and applications. Generation of a conjoint surface plasmon by an infrared nano. Micromachines free fulltext darkfield scattering and. Quantum cascade lasers with integrated plasmonic antenna. Enhancement of immunoassay s fluorescence and detection. We set the gap between two adjacent antennas antenna are presented in fig.
Department of electrical and computer engineering university of toronto 20 the optics and photonics development is currently driven towards nanometer scales. The new plasmonic architecture that we developed, termed diskcoupled dotsonpillar antenna array d2pa, has an array of dense threedimensional 3d resonant cavity nanoantennas with dense plasmonic nanodots inside and the nanogaps that couple the metallic components figure 1. Radiative enhancement of linear and thirdorder vibrational. In the second part, the symmetry of the wignerseitz unit cell is broken. In this letter, in combination with the numerical electromagnetic simulations, we experimentally study the darkfield scattering spectral mapping of plasmonic resonance from the freestanding al bowtie antenna arrays and correlate their strong nearfield enhancement with the sensing capability by means of surfaceenhanced raman spectroscopy.
He, a siliconbased hybrid plasmonic waveguide with in summary, our proposed hybrid plasmonic waveguide fed a metal cap for a nanoscale light confinement, opt. Plasmonic array nanoantennas on layered substrates. The potential applications of the proposed plasmonic phased arrays include onchip optical wireless nanolinks, optical interconnections and. In most designs, the region of maximum field localization and enhancement i.
Pdf hybridized nanocavities as singlepolarized plasmonic. In order to provide the high sensitivity sers active substrates needed for rapid and sensitive chemicalbiological agent detection, the present invention provides a plasmonic nano antenna array pna substrate with large local electromagnetic field enhancements. In order to conduct power into a selected input port. Plasmonic antennas hybridized with dielectric waveguides. Mar 24, 2017 graphenebased plasmonic nano antennas are envisioned as an enabling component for compact communication systems in the terahertz thz band 0. We study the dependence of the signal enhancement on the thickness of a polymer film containing vibrational chromophores, deposited on the antenna array, using linear ftir and thirdorder. The frequency of the gated plasmons conned in the fet channel under the gate contact is given by11. The journal of physical chemistry letters 2018, 9 16, 45964601. Room temperature terahertz plasmonic detection by antenna. Pdf plasmonic monopole antenna arrays for biosensing. To overcome this limitation, plasmonic nano antenna arrays are proposed. Multiband plasmonic platform utilizing utshaped graphene.
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