Shaping light beams in the nanometer scale: A Yagi-Uda nanoantenna in the optical domain Export

@article{citeulike:3790232, abstract = {A Yagi-Uda-like optical nanoantenna concept using resonant core-shell plasmonic particles as its \“reflectors\” and \“directors\” is studied numerically. Such particles when placed near an optical dipole source in a certain arrangement may exhibit large induced dipole moments, resulting in shaping the far-field radiation pattern, analogous to the far field of classical Yagi-Uda antennas in the microwave regime. The variation of the ratio of radii in concentric core-shell nanostructure is used to tailor the phase of the polarizabilities of the particles and, consequently, the antenna's far-field pattern. The idea of a nanospectrum analyzer is also briefly proposed for molecular spectroscopy.}, author = {Li, Jingjing and Salandrino, Alessandro and Engheta, Nader}, citeulike-article-id = {3790232}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRBMDO000076000024245403000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRB/v76/e245403}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevB.76.245403}, citeulike-linkout-3 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRBMDO000076000024245403000001&idtype=cvips&gifs=yes}, doi = {10.1103/PhysRevB.76.245403}, journal = {Physical Review B (Condensed Matter and Materials Physics)}, keywords = {nanoantenna}, number = {24}, pages = {245403+}, posted-at = {2008-12-15 20:38:23}, priority = {2}, publisher = {APS}, title = {Shaping light beams in the nanometer scale: A Yagi-Uda nanoantenna in the optical domain}, url = {http://dx.doi.org/10.1103/PhysRevB.76.245403}, volume = {76}, year = {2007} }

TY - JOUR ID - citeulike:3790232 L3 - citeulike-article-id:3790232 N2 - A Yagi-Uda-like optical nanoantenna concept using resonant core-shell plasmonic particles as its “reflectors” and “directors” is studied numerically. Such particles when placed near an optical dipole source in a certain arrangement may exhibit large induced dipole moments, resulting in shaping the far-field radiation pattern, analogous to the far field of classical Yagi-Uda antennas in the microwave regime. The variation of the ratio of radii in concentric core-shell nanostructure is used to tailor the phase of the polarizabilities of the particles and, consequently, the antenna's far-field pattern. The idea of a nanospectrum analyzer is also briefly proposed for molecular spectroscopy. IS - 24 JF - Physical Review B (Condensed Matter and Materials Physics) TI - Shaping light beams in the nanometer scale: A Yagi-Uda nanoantenna in the optical domain PB - APS VL - 76 SP - 245403 KW - nanoantenna AU - Li, Jingjing AU - Salandrino, Alessandro AU - Engheta, Nader PY - 2007/// UR - http://dx.doi.org/10.1103/PhysRevB.76.245403 ER -