A Plasmonic Nano-Biosensor Based on Two Consecutive Disk Resonators and Unidirectional Reflectionless Propagation Effect

Amoosoltani, Narjes; Yasrebi, Navid; Farmani, Ali; Zarifkar, Abbas

doi:10.1109/jsen.2020.2987319

Cited by 51 publications

(15 citation statements)

References 45 publications

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“…More focus in this paper was on signal transmission for different ports. Of course, this mechanism can be used for switching or filtering, which is tailored to each specific frequency range for output port (Amoosoltani 2020;Moradian et al 2020a, b;Mozaffari and Farmani 2019;Farmani et al 2018Farmani et al , 2020aFarmani and Mir 2020;Hamzavi-Zarghani et al 2019;Sadeghi et al 2019;Baqir et al 2019;Ghodrati et al 2019;Ji et al 2020). Also as mentioned above, we have to a filter in the through input which has all the input frequencies except, the frequencies that resonate in the ring resonator.…”

Section: Resultsmentioning

confidence: 99%

Numerical analysis of tunable nonlinear plasmonic router based on nanoscale ring resonators

2020

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In the advanced plasmonics integrated circuits (PICs) there has been outstanding, continuing interest in developing routers to harness light-matter interactions in nanoscale dimensions with wanted optical properties. In this regard, herein, we introduce an all-optical router based on nanometer ring resonator which surface plasmon resonance (SPR) and nonlinear materials are used simultaneously to enhance high performance range. By changing the radius of the ring resonator and the intensity of the light we achieved control of the parameters and the routing. The results of routing and shifting the central frequency with light intensity and radius of the ring resonator are studied. The performance of the router indicates that a ring is required for each ports, which changes the control parameters to change its central frequency, as well as we can be said the use of switches and filters as other design features. These routers have advantages such as nano scale size, low light intensity, fast response time, integratable and etc., which are highly used in all-optical circuits, image processing and today's modern technology. In our simulation, we consider transmission or reflection of light in each ports based on the finite difference time domain (FDTD).

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Section: Resultsmentioning

confidence: 99%

Numerical analysis of tunable nonlinear plasmonic router based on nanoscale ring resonators

2020

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“…If n tpf is the refractive index of water vapour contained air then under total pressure p and for temperature t and CO 2 content x, n tpf can be calculated using modified Edlen's formulae using Eq. (13). The value of f changes according to temperature T. In Table 6, the variation in the value of vapour pressure of water (f) concerning temperature is given and relative change in SPR angle is also calculated.…”

Section: (D) Humidity Effectmentioning

confidence: 99%

“…Gas detection through surface plasmon resonance (a kind of plasmonic sensor) was first observed in 1982, eventhough its commercial development is still very limited. Plasmonic sensors are not only limited to gas sensing but also are widely used in various applications such as pressure sensing [8], chronic diseases detection caused by bacteria [9], terahertz absorption [10,11], pesticides analysis [12],new biomaterials detection like ether, ethyleneglycol, chlorobenzene, and quinoline [13], street light controlling [14], lab on chip application like spectroscopy and sensing application [15] etc. Particular gas molecules absorb IR light at a certain wavelength (also called as characteristic wavelength) [16], which are proportional to the gas concentration.…”

Section: Introductionmentioning

confidence: 99%

Theoretical study of hazardous carbon‐di‐oxide gas sensing using MIM structure‐based SPR sensing scheme

Srivastava

Verma²,

Prajapati

2021

IET Optoelectronics

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This work mainly focussed on the sensing of the environmentally damaging gas carbon dioxide (CO 2 ) by designing a gas sensor based on a surface plasmon resonance (SPR) principle. The proposed model is based on the metal-insulator-metal (MIM) model which mainly relies on metal thickness, dielectric thickness, and incident light wavelength. A comparative analysis between conventional as well as MIM-based structure is shown in this study and it is observed that by operating at 4400 nm incident light wavelength,the MIM-based structure shows sharp resonance curve, high resolution, minimum FWHM, and extremely high FOM. By using the modified Elden's formulae, the variation in refractive index is investigated by changing the numerical values of humidity, temperature, pressure, and CO 2 content from the reference value, respectively. For each case, the sensitivity has been estimated. By using the proposed MIM-based structure, FOM value as high as 1273.11RIU −1 ; at the end of this article, limit of detection (LOD) is calculated by varying the CO 2 gas concentration.This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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“…The overall quality factor or figure of merit (FoM) of the LSP-based nano-sensors sensing response is severely affected by the wide local plasmon resonance linewidth due to the large inherent absorption of general metals and the main radiation scattering contribution [22,23]. To increase the total FoM, some efforts have been made to enhance the refractive index sensitivity of individual plasmonic nanoparticles by optimizing their size and shape [24][25][26]. Recently, several new design principles have been proposed, including plasmonic hybridization [27], transformation optics [28], and subgroup decomposition [29], which are used to modify the resonance line shape and enhance the spectral contrast of individual metal nanodimers and nanoclusters.…”

Section: Introductionmentioning

confidence: 99%

Highly sensitive refractive index sensor by floating nano-particles in the solution for the detection of glucose/fructose concentration

Bahador

Heidarzadeh

2021

Preprint

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In this research, an optimum design for better usage of field resonance was proposed. More interaction of the field that formed around nano-particles with a solution which has refractive index variations substantially can increase the sensitivity of the plasmonic biosensors. More interaction could be provided by floating nano-particles in the solution. The proposed structure, which has peak plasmonic resonance, has better light sensing features in comparison to similar non-floating structures. While without floating nano-particle, sensitivity is 265.8 nm/RIU with the realization of the full floating nano-particles, the sensitivity of the structure with elliptic disc and circular disc nano-particles are 574.2 nm/RIU and 425 nm/RIU, respectively. FWHM (Full width at half maximum) of the structure with elliptic disc and circular disc nano-particles are 57.4 nm and 49.4 nm, respectively. In presence of meshed SiO2 network and pseudo-floating form, sensitivity and FWHM of the structure are 504 nm/RIU and 58.4 nm for elliptic discs and 372 nm/RIU and 49.9 nm for circular discs, respectively.

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A Plasmonic Nano-Biosensor Based on Two Consecutive Disk Resonators and Unidirectional Reflectionless Propagation Effect

Cited by 51 publications

References 45 publications

Numerical analysis of tunable nonlinear plasmonic router based on nanoscale ring resonators

Numerical analysis of tunable nonlinear plasmonic router based on nanoscale ring resonators

Theoretical study of hazardous carbon‐di‐oxide gas sensing using MIM structure‐based SPR sensing scheme

Highly sensitive refractive index sensor by floating nano-particles in the solution for the detection of glucose/fructose concentration

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