Effective Medium-Based Plasmonic Waveguides for Tailoring Dispersion
We propose a waveguide configuration with a plasmonic grating for tailoring dispersion characteristics. The unit-cell of the plasmonic grating encompasses the subwavelength distribution of metal nanowires forming a highly resonant effective medium. The configuration enables independent control of th...
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| Veröffentlicht in: | IEEE photonics technology letters 2015-09, Vol.27 (18), p.1965-1968 |
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| container_end_page | 1968 |
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| container_issue | 18 |
| container_start_page | 1965 |
| container_title | IEEE photonics technology letters |
| container_volume | 27 |
| creator | Balasubrahmaniyam, M. Abhilash, T. Ganesan, A. R. Kasiviswanathan, S. |
| description | We propose a waveguide configuration with a plasmonic grating for tailoring dispersion characteristics. The unit-cell of the plasmonic grating encompasses the subwavelength distribution of metal nanowires forming a highly resonant effective medium. The configuration enables independent control of the coupling between the plasmonic and waveguide modes via the resonant strength of the effective medium. Numerical simulations show that the line shapes of the coupled modes can be varied from Fano to electromagnetically induced transparency-like. Furthermore, we use the structure to enhance the group index from 250 to 850 and to broaden the associated band from 40 to 180 meV. |
| doi_str_mv | 10.1109/LPT.2015.2448124 |
| format | Article |
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R. ; Kasiviswanathan, S.</creator><creatorcontrib>Balasubrahmaniyam, M. ; Abhilash, T. ; Ganesan, A. R. ; Kasiviswanathan, S.</creatorcontrib><description>We propose a waveguide configuration with a plasmonic grating for tailoring dispersion characteristics. The unit-cell of the plasmonic grating encompasses the subwavelength distribution of metal nanowires forming a highly resonant effective medium. The configuration enables independent control of the coupling between the plasmonic and waveguide modes via the resonant strength of the effective medium. Numerical simulations show that the line shapes of the coupled modes can be varied from Fano to electromagnetically induced transparency-like. Furthermore, we use the structure to enhance the group index from 250 to 850 and to broaden the associated band from 40 to 180 meV.</description><identifier>ISSN: 1041-1135</identifier><identifier>EISSN: 1941-0174</identifier><identifier>DOI: 10.1109/LPT.2015.2448124</identifier><identifier>CODEN: IPTLEL</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Couplings ; Dispersion ; Electromagnetic metamaterials ; Gratings ; Optical waveguides ; Photonic crystals ; Plasmons ; Shape ; Slow light</subject><ispartof>IEEE photonics technology letters, 2015-09, Vol.27 (18), p.1965-1968</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Furthermore, we use the structure to enhance the group index from 250 to 850 and to broaden the associated band from 40 to 180 meV.</description><subject>Couplings</subject><subject>Dispersion</subject><subject>Electromagnetic metamaterials</subject><subject>Gratings</subject><subject>Optical waveguides</subject><subject>Photonic crystals</subject><subject>Plasmons</subject><subject>Shape</subject><subject>Slow light</subject><issn>1041-1135</issn><issn>1941-0174</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEtLAzEUhYMoWKt7wc2A66n35tHJLLXWB1TsouIyZCY3JaWdqUmn4L93SourexbfORc-xm4RRohQPszmixEHVCMupUYuz9gAS4k5YCHP-wx9RhTqkl2ltAJAqYQcsOep91Tvwp6yD3Kh2-RPNpHL5mubNm0T6uzb7mnZBUcp823MFjas2xiaZfYc0pZiCm1zzS68XSe6Od0h-3qZLiZv-ezz9X3yOMtrXuIu57oYW-6AFK-dr8irCskRIKmx9KWrSZdCCl9p4ayotfaqtA4qq4XWWIAYsvvj7ja2Px2lnVm1XWz6lwYLrkH1AnRPwZGqY5tSJG-2MWxs_DUI5uDK9K7MwZU5ueord8dKIKJ_vEABSgvxBwRLZSY</recordid><startdate>20150915</startdate><enddate>20150915</enddate><creator>Balasubrahmaniyam, M.</creator><creator>Abhilash, T.</creator><creator>Ganesan, A. 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Numerical simulations show that the line shapes of the coupled modes can be varied from Fano to electromagnetically induced transparency-like. Furthermore, we use the structure to enhance the group index from 250 to 850 and to broaden the associated band from 40 to 180 meV.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LPT.2015.2448124</doi><tpages>4</tpages></addata></record> |
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| ispartof | IEEE photonics technology letters, 2015-09, Vol.27 (18), p.1965-1968 |
| issn | 1041-1135 1941-0174 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Couplings Dispersion Electromagnetic metamaterials Gratings Optical waveguides Photonic crystals Plasmons Shape Slow light |
| title | Effective Medium-Based Plasmonic Waveguides for Tailoring Dispersion |
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