Title :
Universal enhancement of Raman scattering sensing by plasmonic nanotubes coupled with photonic crystal slab
Author :
Zheng Wang ; Chao Liu ; Chakravarty, Swapnajit ; Fan, D.L. ; Wang, Alan X. ; Chen, Ray T.
Author_Institution :
Mater. Sci. & Eng. Program, Univ. of Texas at Austin, Austin, TX, USA
Abstract :
We experimentally demonstrate 2-D photonic crystal slab-coupled plasmonic nanocapsules for surface enhanced Raman spectroscopy (SERS). A strong Raman signal enhancement can be unambiguously detected even with a low concentration 10 nM dye molecules.
Keywords :
dyes; nanophotonics; nanosensors; nanotubes; optical couplers; optical sensors; photodetectors; photonic crystals; plasmonics; surface enhanced Raman scattering; 2D photonic crystal slab-coupled plasmonic nanocapsules; Raman signal enhancement; dye molecules; plasmonic nanotube-photonic crystal slab coupling; surface enhanced Raman spectroscopy; Arrays; Microcavities; Photonic crystals; Plasmons; Raman scattering; Silicon compounds; Substrates;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
