Focusing of Surface Plasmon Wave for Small‐Molecule Sensing

Miniaturized manipulation and control of surface plasmon waves have long been a desirable goal. However, conventional nanomethods have high losses and uncontrollable outcomes, which limit their utility in light–matter interaction. To overcome these challenges, a method for achieving directional prop...

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Main Authors: Hongrui Shan, Hailang Dai, Qiheng Wei, Xianfeng Chen
Format: Article
Language:English
Published: Wiley-VCH 2023-11-01
Series:Advanced Photonics Research
Subjects:
Online Access:https://doi.org/10.1002/adpr.202300165
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author Hongrui Shan
Hailang Dai
Qiheng Wei
Xianfeng Chen
author_facet Hongrui Shan
Hailang Dai
Qiheng Wei
Xianfeng Chen
author_sort Hongrui Shan
collection DOAJ
description Miniaturized manipulation and control of surface plasmon waves have long been a desirable goal. However, conventional nanomethods have high losses and uncontrollable outcomes, which limit their utility in light–matter interaction. To overcome these challenges, a method for achieving directional propagation and concentration of surface plasmon waves using nanostructures is proposed. By focusing the transmission of surface plasmon waves on the tip of a nanotriangle, the power of light is enhanced by an order of magnitude. This design can be applied to sensing small molecules, both living and nonliving. It is believed that this approach can be used to realize real‐time, integrated biosensing on miniaturized chips.
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spelling doaj.art-b73ee7f41fbe481e93e9bc27f9313d452023-11-11T03:09:02ZengWiley-VCHAdvanced Photonics Research2699-92932023-11-01411n/an/a10.1002/adpr.202300165Focusing of Surface Plasmon Wave for Small‐Molecule SensingHongrui Shan0Hailang Dai1Qiheng Wei2Xianfeng Chen3State Key Laboratory of Advanced Optical Communication Systems and Networks School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 ChinaState Key Laboratory of Advanced Optical Communication Systems and Networks School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 ChinaState Key Laboratory of Advanced Optical Communication Systems and Networks School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 ChinaState Key Laboratory of Advanced Optical Communication Systems and Networks School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 ChinaMiniaturized manipulation and control of surface plasmon waves have long been a desirable goal. However, conventional nanomethods have high losses and uncontrollable outcomes, which limit their utility in light–matter interaction. To overcome these challenges, a method for achieving directional propagation and concentration of surface plasmon waves using nanostructures is proposed. By focusing the transmission of surface plasmon waves on the tip of a nanotriangle, the power of light is enhanced by an order of magnitude. This design can be applied to sensing small molecules, both living and nonliving. It is believed that this approach can be used to realize real‐time, integrated biosensing on miniaturized chips.https://doi.org/10.1002/adpr.202300165focusing on nanotipsnanosensorsnanostructuressurface plasmon waves
spellingShingle Hongrui Shan
Hailang Dai
Qiheng Wei
Xianfeng Chen
Focusing of Surface Plasmon Wave for Small‐Molecule Sensing
Advanced Photonics Research
focusing on nanotips
nanosensors
nanostructures
surface plasmon waves
title Focusing of Surface Plasmon Wave for Small‐Molecule Sensing
title_full Focusing of Surface Plasmon Wave for Small‐Molecule Sensing
title_fullStr Focusing of Surface Plasmon Wave for Small‐Molecule Sensing
title_full_unstemmed Focusing of Surface Plasmon Wave for Small‐Molecule Sensing
title_short Focusing of Surface Plasmon Wave for Small‐Molecule Sensing
title_sort focusing of surface plasmon wave for small molecule sensing
topic focusing on nanotips
nanosensors
nanostructures
surface plasmon waves
url https://doi.org/10.1002/adpr.202300165
work_keys_str_mv AT hongruishan focusingofsurfaceplasmonwaveforsmallmoleculesensing
AT hailangdai focusingofsurfaceplasmonwaveforsmallmoleculesensing
AT qihengwei focusingofsurfaceplasmonwaveforsmallmoleculesensing
AT xianfengchen focusingofsurfaceplasmonwaveforsmallmoleculesensing