Title :
Plasmonics: Quantum on the angstrom scale, as observed by surface-enhanced Raman scattering
Author :
Wenqi Zhu ; Crozier, Kenneth B.
Author_Institution :
Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA, USA
Abstract :
We fabricate plasmonic dimers consisting of two metallic nanostructures spaced by a few angstroms using lithographic methods, and show that quantum mechanical tunneling across the gaps limits the enhancement in surface-enhanced Raman scattering.
Keywords :
nanofabrication; nanolithography; nanostructured materials; plasmonics; surface enhanced Raman scattering; tunnelling; Angstrom scale; lithographic method; metallic nanostructure; plasmonic dimers; quantum mechanical tunneling; surface-enhanced Raman scattering; Optical device fabrication; Optical surface waves; Plasmons; Raman scattering; Tunneling;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
