Dye-Assisted Gain of Strongly Confined Surface Plasmon Polaritons in Silver Nanowires

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dc.citation.firstpage3628en_US
dc.citation.issueNumber6en_US
dc.citation.journalTitleNano Lettersen_US
dc.citation.lastpage3633en_US
dc.citation.volumeNumber14en_US
dc.contributor.authorPaul, Aniruddhaen_US
dc.contributor.authorZhen, Yu-Rongen_US
dc.contributor.authorWang, Yien_US
dc.contributor.authorChang, Wei-Shunen_US
dc.contributor.authorXia, Younanen_US
dc.contributor.authorNordlander, Peteren_US
dc.contributor.authorLink, Stephanen_US
dc.contributor.orgLaboratory for Nanophotonicsen_US
dc.date.accessioned2014-07-14T20:05:51Zen_US
dc.date.available2014-07-14T20:05:51Zen_US
dc.date.issued2014en_US
dc.description.abstractSubwavelength confinement and active control of light is essential for nanoscale communication devices at visible frequencies that support large bandwidths.[1-5] Noble-metal nanostructures present an excellent platform for strongly confined optical waveguides [6-13] because of their ability to support surface plasmon polaritons (SPPs).[14] However, SPP propagation suffers from losses that seriously limit their application potential. [9] Although significant progress toward SPP loss compensation has been reported for various planar 2D waveguide structures,[15-20] as well as lasing involving strongly localized plasmon modes,[21,22] SPP gain in 1D nanoscale waveguides at visible frequencies is yet to be accomplished. Here, we report the first demonstration of gain for deep subwavelength confined SPPs (mode area = λ2/40) in chemically prepared silver nanowires (Ag NWs). We measured a gain coefficient of 270 cm-1 resulting in 14% loss compensation using a continuous-wave (cw) pump laser. These results are an important step toward total loss compensation for highly confined nanowire SPPs.en_US
dc.identifier.citationPaul, Aniruddha, Zhen, Yu-Rong, Wang, Yi, et al.. "Dye-Assisted Gain of Strongly Confined Surface Plasmon Polaritons in Silver Nanowires." <i>Nano Letters,</i> 14, no. 6 (2014) American Chemical Society: 3628-3633. http://dx.doi.org/10.1021/nl501363s.en_US
dc.identifier.doihttp://dx.doi.org/10.1021/nl501363sen_US
dc.identifier.urihttps://hdl.handle.net/1911/76174en_US
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by the American Chemical Society.en_US
dc.titleDye-Assisted Gain of Strongly Confined Surface Plasmon Polaritons in Silver Nanowiresen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpost-printen_US
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