Title :
Plasmonic coupling of Ag nanoparticle arrays with sub-10 nm Gaps: Near-field origins
Author :
Lin, B.-Y. ; Hsu, H.-C. ; Teng, C.-H. ; Chang, H.-C. ; Wang, Y.L. ; Wang, J.-K.
Author_Institution :
Grad. Inst. of Commun. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
Investigating with pseudo-spectral time-domain method, we show that resonant scattering characteristics of Ag nanoparticle arrays are attributed to near-field surface magnetic field, instead of enhanced electric field induced by plasmonic coupling.
Keywords :
current density; nanoparticles; nanophotonics; plasmonics; silver; spectral analysis; time-domain analysis; Ag; nanoparticle arrays; near-field surface magnetic field; plasmonic coupling; pseudospectral time-domain method; resonant scattering characteristics; surface electric current density; Electromagnetic scattering; Light scattering; Magnetic resonance; Nanoparticles; Optical arrays; Optical scattering; Optical surface waves; Plasmons; Raman scattering; Surface waves; (240.6680) Surface plasmons; (350.4238) Nanophotonics and photonic crystals;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
