Plasmonic color generation and refractive index sensing with three-dimensional air-gap nanocavities

Huang, Yun; Zhu, Jia; Fan, Jiaorong; Chen, Zhuojie; Chen, Xiaoyu; Jin, Shengxiao; Wu, Wengang

doi:10.1364/oe.27.006283

Cited by 13 publications

(11 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Recently, the research progresses of metamaterials have advanced toward the realization of tunable metasurfaces that enables real-time control over their geometrical and optical properties, thus creating exceptional opportunities in the field of actively tunable metamaterials. They have been reported to span the visible [1][2][3][4][5][6], infrared (IR) [7][8][9][10][11][12], and terahertz (THz) [12][13][14][15][16][17][18][19][20][21] spectral ranges. As the unique optical properties in metasurfaces rely on the interaction between incident light and the nanostructure, desirable properties can be achieved by properly tailoring the shape, size, and composition of structure.…”

Section: Introductionmentioning

confidence: 99%

“…As the unique optical properties in metasurfaces rely on the interaction between incident light and the nanostructure, desirable properties can be achieved by properly tailoring the shape, size, and composition of structure. Metasurfaces have enabled manipulation of near-field entities thereby allowing reconfiguration of intriguing features like magnetic response [1,22], near-perfect absorption [14,15,23], transparency [17,19], phase engineering [18,20,21,24], MIR sensing and thermal imaging [10], resonance modulation [9] for many types of filters [1][2][3][4][5], and sensors [6][7][8][12][13][14] applications.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Metasurface Color Filters Using Aluminum and Lithium Niobate Configurations

et al. 2020

View full text Add to dashboard Cite

Two designs of metasurface color filters (MCFs) using aluminum and lithium niobate (LN) configurations are proposed and numerically studied. They are denoted as tunable aluminum metasurface (TAM) and tunable LN metasurface (TLNM), respectively. The configurations of MCFs are composed of suspended metasurfaces above aluminum mirror layers to form a Fabry-Perot (F-P) resonator. The resonances of TAM and TLNM are red-shifted with tuning ranges of 100 nm and 111 nm, respectively, by changing the gap between the bottom mirror layer and top metasurface. Furthermore, the proposed devices exhibit perfect absorption with ultra-narrow bandwidth spanning the whole visible spectral range by composing the corresponding geometrical parameters. To increase the flexibility and applicability of proposed devices, TAM exhibits high sensitivity of 481.5 nm/RIU and TLNM exhibits high figure-of-merit (FOM) of 97.5 when the devices are exposed in surrounding environment with different refraction indexes. The adoption of LN-based metasurface can enhance FWHM and FOM values as 10-fold and 7-fold compared to those of Al-based metasurface, which greatly improves the optical performance and exhibits great potential in sensing applications. These proposed designs provide an effective approach for tunable high-efficiency color filters and sensors by using LN-based metamaterial.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Metasurface Color Filters Using Aluminum and Lithium Niobate Configurations

et al. 2020

View full text Add to dashboard Cite

show abstract

“…2 Other techniques have been employed by different researchers in printing 3D color objects. [3][4][5][6][7][8] For example, Yejing et al 9 used photonic crystals and heatshrinking techniques in the printing of 3D structural color objects at a microscopic scale. Jingfang et al 10 developed a bis furan cyclohexane derivative/polyethylene glycol diacrylate photoinitiator system.…”

Section: Introductionmentioning

confidence: 99%

“…From Equations (5) and (6), the first apace function is a soliton input via an input port, while the second space-time function is input via the add port simultaneously. The successive filtering of the transmission circuit controlled by the two side ring coupling parameters, where the induced nonlinear effects coupled the center ring can give the resonance.…”

Section: Introductionmentioning

confidence: 99%

“…A 3D printer that uses vat photopolymerization and material jetting methods makes use of ultraviolet light in the hardening or fabrication of 3D structural objects 2 . Other techniques have been employed by different researchers in printing 3D color objects 3‐8 . For example, Yejing et al 9 used photonic crystals and heat‐shrinking techniques in the printing of 3D structural color objects at a microscopic scale.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Electron cloud spin generated by microring space‐time control circuit for 3D quantum printing

Arumona

Punthawanunt

Ray

et al. 2020

Micro & Optical Tech Letters

View full text Add to dashboard Cite

A three‐dimensional (3D) quantum printing technique is proposed that uses electron spin cloud projections generated by microring‐embedded gold grating. A dark soliton pulse with a center wavelength of 1.50 μm excites the gold grating, leading to electron cloud oscillations. By using suitable parameters, the whispering gallery mode is obtained, which is the result of trapping light (electrons) inside the silicon microring. The plasma wave frequency is generated at the Bragg wavelength at which the electron density is obtained. The electron spin‐down and spin‐up forms the x‐axis and y‐axis along the propagation z‐axis. In this proposal, the propagation wave axis is applied to increase the printing resolution. The printing points are formed by the spin‐down, spin‐up, and no spin associated with [x, y, z] as [1, 0, −]. The electron spins are distinguished by the time sequence and by modulating with the Gaussian pulse of 1.30, 1.10, and 0.80 μm, from which the spin states of the electron can be detected and characterized. The shortest space‐time paradox gap is around 50 fs, which is the limitation of all measurements (observations). The electron transport spin projection is achieved with respect to the time function in which the 3D image is printed with a resolution of 50 fs (10−15 s). In application, the trapped electron densities within the circuit are made possible via wireless connection for long‐distance transmission.

show abstract

AI‐Assisted Plasmonic Enhanced Colorimetric Fluidic Device for Hydrogen Peroxide Detection from Cancer Cells

del Real Mata,

Yedire,

Jalali

et al. 2024

Adv Materials Technologies

View full text Add to dashboard Cite

Hydrogen peroxide (H2O2) is an essential molecule to various physiological processes and is commonly used for the detection and monitoring of glucose and cell viability. Furthermore, it is identified as a signal of oncogenic growth due to its widespread presence within the cancer cell environment. However, the low concentrations of H2O2 released by cancer cells' metabolism challenge current detection methods' capabilities and their practicality for translation to clinical applications. Colorimetric assays with simple readouts are a promising solution, provided that their sensitivity and rapidity in detecting H2O2 improve. Here, a plasmonic enhanced nanopatterned platform is proposed coupled with an Amplex Red assay to monitor the color change of H2O2 released from cancer cells. The nanopatterned platform embedded into a multiplexed microfluidic device enhances the kinetics of the reaction ≈7 times. This approach has reached a limit of detection of 1 pm when tested in breast (MCF‐7) and prostate (PC‐3) cancer media. The collected color images are processed and analyzed by a machine learning algorithm that categorizes them into “high” or “low‐to‐no” concentrations of H2O2 with 91% accuracy. This study is a step toward developing a device for highly sensitive H2O2 detection that is easily adaptable, user‐friendly, portable, and automated.

show abstract

Plasmonic color generation and refractive index sensing with three-dimensional air-gap nanocavities

Cited by 13 publications

References 52 publications

Metasurface Color Filters Using Aluminum and Lithium Niobate Configurations

Metasurface Color Filters Using Aluminum and Lithium Niobate Configurations

Electron cloud spin generated by microring space‐time control circuit for 3D quantum printing

AI‐Assisted Plasmonic Enhanced Colorimetric Fluidic Device for Hydrogen Peroxide Detection from Cancer Cells

Contact Info

Product

Resources

About