Singh, Danveer; Dasgupta, Arindam; Aswathy, V. G.; TRIPATHI, RAVI P. N.; KUMAR, G. V. PAVAN
(Optical Society of America, 2015-01)
We experimentally show how a single Ag nanoparticle (NP) coupled to an Ag nanowire (NW) can convert propagating surface plasmon polaritons to directional photons. By employing dual-excitation Fourier microscopy with spatially ...