Articles with "plasmonic optical" as a keyword



Chiral Seeded Growth of Gold Nanorods Into Fourfold Twisted Nanoparticles with Plasmonic Optical Activity

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202208299

Abstract: A robust and reproducible methodology to prepare stable inorganic nanoparticles with chiral morphology may hold the key to the practical utilization of these materials. An optimized chiral growth method to prepare fourfold twisted gold nanorods… read more here.

Keywords: fourfold twisted; growth; optical activity; gold nanorods ... See more keywords
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Plasmonic Optical and Chiroptical Response of Self-Assembled Au Nanorod Equilateral Trimers.

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Published in 2019 at "ACS nano"

DOI: 10.1021/acsnano.8b07619

Abstract: Assembling metamolecules from anisotropic, shape-engineered nanocrystals provides the opportunity to orchestrate distinct optical responses one nanocrystal at a time. The Au nanorod has long been a structural archetype in plasmonics, but nanorod assemblies have largely… read more here.

Keywords: response; chiroptical response; optical chiroptical; self assembled ... See more keywords

All-plasmonic Optical Phased Array Integrated on a Thin-film Platform

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-10398-8

Abstract: Optical phased arrays have been demonstrated to enable a variety of applications ranging from high-speed on-chip communications to vertical surface emitting lasers. Despite the prosperities of the researches on optical phased arrays, presently, the reported… read more here.

Keywords: phased arrays; phased array; optical phased; plasmonic optical ... See more keywords

Design of a plasmonic optical biosensor based on a metal-insulator-metal ring resonator for the detection of various bacterial pathogens

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-07331-9

Abstract: Rapid and sensitive detection of pathogenic bacteria is essential for healthcare, food safety, and environmental monitoring. However, conventional detection techniques often fall short in terms of the speed and sensitivity required for real-time applications. In… read more here.

Keywords: detection; biosensor based; metal; optical biosensor ... See more keywords

Plasmonic all-optical switching based on metamaterial/metal waveguides with local nonlinearity.

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Published in 2019 at "Nanotechnology"

DOI: 10.1088/1361-6528/ab44fc

Abstract: We present a plasmonic all-optical switch based on Mach-Zehnder Interferometer (MZI) with local nonlinearity. The design of the miniaturized all-optical switch is possible by employing surface-plasmon polaritons (SPPs) that confine the energy of electromagnetic waves… read more here.

Keywords: local nonlinearity; optical switching; optical switch; plasmonic optical ... See more keywords

Sub-Femtojoule Hybrid Plasmonic Optical Modulator

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Published in 2019 at "IEEE Photonics Journal"

DOI: 10.1109/jphot.2019.2926452

Abstract: A highly compact optical modulator is proposed and analyzed. The modulator is based on the hybrid plasmonic waveguide platform. The structure of the modulator is built from silicon, silver, and electro-optical polymer layers. Hybrid plasmonic… read more here.

Keywords: plasmonic optical; modulator; hybrid plasmonic; optical modulator ... See more keywords
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Enhancing the sensitivity of plasmonic optical fiber sensors by analyzing the distribution of the optical modes intensity.

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Published in 2020 at "Optics express"

DOI: 10.1364/oe.399856

Abstract: Improving the sensitivity of plasmonic optical fiber sensors constitutes a major challenge as it could significantly enhance their sensing capabilities for the label-free detection of biomolecular interactions or chemical compounds. While many efforts focus on… read more here.

Keywords: sensitivity plasmonic; fiber sensors; sensitivity; plasmonic optical ... See more keywords

Nanoparticle manipulation using plasmonic optical tweezers based on particle sizes and refractive indices.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.468024

Abstract: As an effective tool for micro/nano-scale particle manipulation, plasmonic optical tweezers can be used to manipulate cells, DNA, and macromolecules. Related research is of great significance to the development of nanoscience. In this work, we… read more here.

Keywords: optical tweezers; sorting device; refractive indices; plasmonic optical ... See more keywords

Curved space plasmonic optical elements.

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Published in 2019 at "Optics letters"

DOI: 10.1364/ol.44.005234

Abstract: We have designed and experimentally studied non-planar curved space plasmonic optical elements. Three different smooth curved space plasmonic structures were studied: a dome that acts either as a focusing element or as a deflector for… read more here.

Keywords: optical elements; plasmonic optical; curved space; space plasmonic ... See more keywords

Innovative Peptide-Based Plasmonic Optical Biosensor for the Determination of Cholesterol

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Published in 2024 at "Biosensors"

DOI: 10.3390/bios14110551

Abstract: Plasmonic-based biosensors have gained prominence as potent optical biosensing platforms in both scientific and medical research, attributable to their enhanced sensitivity and precision in detecting biomolecular and chemical interactions. However, the detection of low molecular… read more here.

Keywords: biosensor; peptide based; plasmonic optical; innovative peptide ... See more keywords

Plasmonic Optical Fiber Sensors and Molecularly Imprinted Polymers for Glyphosate Detection at an Ultra-Wide Range

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Published in 2024 at "Chemosensors"

DOI: 10.3390/chemosensors12070142

Abstract: In this study, a surface plasmon resonance (SPR) sensor based on modified plastic optical fibers (POFs) was combined with a specific molecularly imprinted polymer (MIP), used as a synthetic receptor, for glyphosate (GLY) determination in… read more here.

Keywords: detection; sensor; chemical sensor; optical fiber ... See more keywords