%0 Journal Article %1 biagioni2009nearfield %A Biagioni, Paolo %A Savoini, Matteo %A Huang, Jer-Shing %A Duò, Lamberto %A Finazzi, Marco %A Hecht, Bert %D 2009 %J Phys. Rev. B %K antenna experiment nano-optics near-field plasmon resonance %N 15 %P 153409 %R 10.1103/PhysRevB.80.153409 %T Near-field polarization shaping by a near-resonant plasmonic cross antenna %V 80 %X The optical phase in the feed gap of a plasmonic dipole antenna shows a transition from in-phase to counter-phase response, when its length is varied across the resonance length. We exploit this behavior in an asymmetric cross antenna structure, constituted of two perpendicular dipole antennas with different lengths, sharing the same feed gap, in order to shape the local polarization state. As an application of this concept, we propose a λ/4 nanowaveplate, able to shape and confine linearly polarized propagating waves into circularly polarized fields localized in the feed gap.

@article{biagioni2009nearfield, abstract = {The optical phase in the feed gap of a plasmonic dipole antenna shows a transition from in-phase to counter-phase response, when its length is varied across the resonance length. We exploit this behavior in an asymmetric cross antenna structure, constituted of two perpendicular dipole antennas with different lengths, sharing the same feed gap, in order to shape the local polarization state. As an application of this concept, we propose a λ/4 nanowaveplate, able to shape and confine linearly polarized propagating waves into circularly polarized fields localized in the feed gap.}, added-at = {2020-02-21T10:34:10.000+0100}, author = {Biagioni, Paolo and Savoini, Matteo and Huang, Jer-Shing and Duò, Lamberto and Finazzi, Marco and Hecht, Bert}, biburl = {https://www.bibsonomy.org/bibtex/2996b7685e7825b034e204433d8e06dd0/ep5optics}, day = 20, doi = {10.1103/PhysRevB.80.153409}, file = {APS Snapshot:C\:\\Users\\scherzad\\Zotero\\storage\\DSQLF98Z\\PhysRevB.80.html:text/html;Biagioni et al. - 2009 - Near-field polarization shaping by a near-resonant.pdf:C\:\\Users\\scherzad\\Zotero\\storage\\IGBM2PW6\\Biagioni et al. - 2009 - Near-field polarization shaping by a near-resonant.pdf:application/pdf}, interhash = {be18262043f7e584cdc878479a672b2b}, intrahash = {996b7685e7825b034e204433d8e06dd0}, journal = {Phys. Rev. B}, keywords = {antenna experiment nano-optics near-field plasmon resonance}, month = {10}, number = 15, pages = 153409, timestamp = {2020-02-21T10:34:10.000+0100}, title = {Near-field polarization shaping by a near-resonant plasmonic cross antenna}, urldate = {2020-02-21}, volume = 80, year = 2009 }