Field-enhanced nanofocusing of radially polarized light by a tapered hybrid plasmonic waveguide with periodic grooves
This study reports the field-enhanced nanofocusing of radially polarized light by tapered hybrid plasmonic waveguide (THPW) with periodic grooves. The THPW consists of a conical high-index dielectric cone, a sandwiched low-index dielectric thin layer, and a metal cladding. The axially symmetric 3D f...
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Veröffentlicht in: | Applied optics (2004) 2019-01, Vol.58 (3), p.588-592 |
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container_title | Applied optics (2004) |
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creator | Xu, Ji Li, Kang Zhang, Sicheng Lu, Xinyi Shi, Nannan Tan, Zhaohuan Lu, Yunqing Liu, Ning Zhang, Baifu Liang, Zhongcheng |
description | This study reports the field-enhanced nanofocusing of radially polarized light by tapered hybrid plasmonic waveguide (THPW) with periodic grooves. The THPW consists of a conical high-index dielectric cone, a sandwiched low-index dielectric thin layer, and a metal cladding. The axially symmetric 3D finite element method is used to investigate the nanofocusing effect. Under radially polarized illumination at 632.8 nm, strongly enhanced nanofocusing occurs. The hybrid plasmonic structure effectively reduces the energy loss and improves the field enhancement nearly 554 times. Furthermore, periodic grooves are constructed on the metallic surface of the THPW, satisfying the phase-matching condition, and they couple the light energy from the inside to the outside. Finally, an optimized nanofocusing performance with field enhancement of approximately 1810 times is obtained. The results offer an important reference for designing related photonic devices, and the proposed scheme could be potentially exploited in the application of light-matter interactions. |
doi_str_mv | 10.1364/AO.58.000588 |
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The THPW consists of a conical high-index dielectric cone, a sandwiched low-index dielectric thin layer, and a metal cladding. The axially symmetric 3D finite element method is used to investigate the nanofocusing effect. Under radially polarized illumination at 632.8 nm, strongly enhanced nanofocusing occurs. The hybrid plasmonic structure effectively reduces the energy loss and improves the field enhancement nearly 554 times. Furthermore, periodic grooves are constructed on the metallic surface of the THPW, satisfying the phase-matching condition, and they couple the light energy from the inside to the outside. Finally, an optimized nanofocusing performance with field enhancement of approximately 1810 times is obtained. The results offer an important reference for designing related photonic devices, and the proposed scheme could be potentially exploited in the application of light-matter interactions.</description><identifier>ISSN: 1559-128X</identifier><identifier>EISSN: 2155-3165</identifier><identifier>EISSN: 1539-4522</identifier><identifier>DOI: 10.1364/AO.58.000588</identifier><identifier>PMID: 30694249</identifier><language>eng</language><publisher>United States: Optical Society of America</publisher><subject>Clad metals ; Cladding ; Energy dissipation ; Finite element method ; Grooves ; Phase matching ; Photonics ; Polarized light</subject><ispartof>Applied optics (2004), 2019-01, Vol.58 (3), p.588-592</ispartof><rights>Copyright Optical Society of America Jan 20, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-b19c76ea9f1e49615d6cb58343c6fbdb608482b921be4976d0c9d785e485a5e13</citedby><cites>FETCH-LOGICAL-c319t-b19c76ea9f1e49615d6cb58343c6fbdb608482b921be4976d0c9d785e485a5e13</cites><orcidid>0000-0002-9634-6086</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,3245,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30694249$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Ji</creatorcontrib><creatorcontrib>Li, Kang</creatorcontrib><creatorcontrib>Zhang, Sicheng</creatorcontrib><creatorcontrib>Lu, Xinyi</creatorcontrib><creatorcontrib>Shi, Nannan</creatorcontrib><creatorcontrib>Tan, Zhaohuan</creatorcontrib><creatorcontrib>Lu, Yunqing</creatorcontrib><creatorcontrib>Liu, Ning</creatorcontrib><creatorcontrib>Zhang, Baifu</creatorcontrib><creatorcontrib>Liang, Zhongcheng</creatorcontrib><title>Field-enhanced nanofocusing of radially polarized light by a tapered hybrid plasmonic waveguide with periodic grooves</title><title>Applied optics (2004)</title><addtitle>Appl Opt</addtitle><description>This study reports the field-enhanced nanofocusing of radially polarized light by tapered hybrid plasmonic waveguide (THPW) with periodic grooves. The THPW consists of a conical high-index dielectric cone, a sandwiched low-index dielectric thin layer, and a metal cladding. The axially symmetric 3D finite element method is used to investigate the nanofocusing effect. Under radially polarized illumination at 632.8 nm, strongly enhanced nanofocusing occurs. The hybrid plasmonic structure effectively reduces the energy loss and improves the field enhancement nearly 554 times. Furthermore, periodic grooves are constructed on the metallic surface of the THPW, satisfying the phase-matching condition, and they couple the light energy from the inside to the outside. Finally, an optimized nanofocusing performance with field enhancement of approximately 1810 times is obtained. The results offer an important reference for designing related photonic devices, and the proposed scheme could be potentially exploited in the application of light-matter interactions.</description><subject>Clad metals</subject><subject>Cladding</subject><subject>Energy dissipation</subject><subject>Finite element method</subject><subject>Grooves</subject><subject>Phase matching</subject><subject>Photonics</subject><subject>Polarized light</subject><issn>1559-128X</issn><issn>2155-3165</issn><issn>1539-4522</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpd0Utr3DAQAGARWpJN2lvPRdBLD_VWsh6WjktImkBgLy30ZvQY7ypoLVeyEza_viqb9tDTDDMfwzCD0AdK1pRJ_nWzXQu1JoQIpc7QqqVCNIxK8Qataqob2qqfF-iylEdCmOC6O0cXjEjNW65XaLkNEH0D496MDjwezZiG5JYSxh1OA87GBxPjEU8pmhxeKolht5-xPWKDZzNBrqX90ebg8RRNOaQxOPxsnmC3BA_4Ocx7XFVIvtZ3OaUnKO_Q28HEAu9f4xX6cXvz_fquedh-u7_ePDSOUT03lmrXSTB6oMC1pMJLZ4VinDk5WG8lUVy1VrfU1n4nPXHad0oAV8IIoOwKfT7NnXL6tUCZ-0MoDmI0I6Sl9C3tNBeaaV7pp__oY1ryWLerSmrJZSu6qr6clMuplAxDP-VwMPnYU9L_eUe_2fZC9ad3VP7xdehiD-D_4b_3Z78BM2qGUg</recordid><startdate>20190120</startdate><enddate>20190120</enddate><creator>Xu, Ji</creator><creator>Li, Kang</creator><creator>Zhang, Sicheng</creator><creator>Lu, Xinyi</creator><creator>Shi, Nannan</creator><creator>Tan, Zhaohuan</creator><creator>Lu, Yunqing</creator><creator>Liu, Ning</creator><creator>Zhang, Baifu</creator><creator>Liang, Zhongcheng</creator><general>Optical Society of America</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-9634-6086</orcidid></search><sort><creationdate>20190120</creationdate><title>Field-enhanced nanofocusing of radially polarized light by a tapered hybrid plasmonic waveguide with periodic grooves</title><author>Xu, Ji ; Li, Kang ; Zhang, Sicheng ; Lu, Xinyi ; Shi, Nannan ; Tan, Zhaohuan ; Lu, Yunqing ; Liu, Ning ; Zhang, Baifu ; Liang, Zhongcheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-b19c76ea9f1e49615d6cb58343c6fbdb608482b921be4976d0c9d785e485a5e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Clad metals</topic><topic>Cladding</topic><topic>Energy dissipation</topic><topic>Finite element method</topic><topic>Grooves</topic><topic>Phase matching</topic><topic>Photonics</topic><topic>Polarized light</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Ji</creatorcontrib><creatorcontrib>Li, Kang</creatorcontrib><creatorcontrib>Zhang, Sicheng</creatorcontrib><creatorcontrib>Lu, Xinyi</creatorcontrib><creatorcontrib>Shi, Nannan</creatorcontrib><creatorcontrib>Tan, Zhaohuan</creatorcontrib><creatorcontrib>Lu, Yunqing</creatorcontrib><creatorcontrib>Liu, Ning</creatorcontrib><creatorcontrib>Zhang, Baifu</creatorcontrib><creatorcontrib>Liang, Zhongcheng</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Applied optics (2004)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Ji</au><au>Li, Kang</au><au>Zhang, Sicheng</au><au>Lu, Xinyi</au><au>Shi, Nannan</au><au>Tan, Zhaohuan</au><au>Lu, Yunqing</au><au>Liu, Ning</au><au>Zhang, Baifu</au><au>Liang, Zhongcheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Field-enhanced nanofocusing of radially polarized light by a tapered hybrid plasmonic waveguide with periodic grooves</atitle><jtitle>Applied optics (2004)</jtitle><addtitle>Appl Opt</addtitle><date>2019-01-20</date><risdate>2019</risdate><volume>58</volume><issue>3</issue><spage>588</spage><epage>592</epage><pages>588-592</pages><issn>1559-128X</issn><eissn>2155-3165</eissn><eissn>1539-4522</eissn><abstract>This study reports the field-enhanced nanofocusing of radially polarized light by tapered hybrid plasmonic waveguide (THPW) with periodic grooves. The THPW consists of a conical high-index dielectric cone, a sandwiched low-index dielectric thin layer, and a metal cladding. The axially symmetric 3D finite element method is used to investigate the nanofocusing effect. Under radially polarized illumination at 632.8 nm, strongly enhanced nanofocusing occurs. The hybrid plasmonic structure effectively reduces the energy loss and improves the field enhancement nearly 554 times. Furthermore, periodic grooves are constructed on the metallic surface of the THPW, satisfying the phase-matching condition, and they couple the light energy from the inside to the outside. Finally, an optimized nanofocusing performance with field enhancement of approximately 1810 times is obtained. The results offer an important reference for designing related photonic devices, and the proposed scheme could be potentially exploited in the application of light-matter interactions.</abstract><cop>United States</cop><pub>Optical Society of America</pub><pmid>30694249</pmid><doi>10.1364/AO.58.000588</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-9634-6086</orcidid></addata></record> |
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subjects | Clad metals Cladding Energy dissipation Finite element method Grooves Phase matching Photonics Polarized light |
title | Field-enhanced nanofocusing of radially polarized light by a tapered hybrid plasmonic waveguide with periodic grooves |
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