Fabrication of surface plasmon resonators by nanoskiving single-crystalline gold microplates

Benjamin J. Wiley; Darren J. Lipomi; Jiming Bao; Federico Capasso; George M. Whitesides

doi:10.1117/12.807813

24 February 2009 Fabrication of surface plasmon resonators by nanoskiving single-crystalline gold microplates

Benjamin J. Wiley, Darren J. Lipomi, Jiming Bao, Federico Capasso, George M. Whitesides

Proceedings Volume 7205, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics II; 72050Q (2009) https://doi.org/10.1117/12.807813
Event: SPIE MOEMS-MEMS: Micro- and Nanofabrication, 2009, San Jose, California, United States

Abstract

This paper demonstrates the sectioning of chemically synthesized, single-crystalline microplates of gold with an ultramicrotome to produce single-crystalline nanowires. This method produces collinearly aligned nanostructures with small, regular changes in dimension with each consecutive cross-section. The diamond knife cuts cleanly through microplates 100 nm thick without bending the resulting nanowire, and cuts through the sharp edges of a crystal to generate nanoscale tips. This paper demonstrates that the smooth surface of the single-crystalline gold nanowires allows them to guide plasmons with lower loss than rough, polycrystalline nanowires, and that the sharp tips on the singlecrystalline nanowires serve as optical antenna that selectively couple light into the nanowire at the resonance frequency of the sharp tip.

Citation Download Citation

Benjamin J. Wiley, Darren J. Lipomi, Jiming Bao, Federico Capasso, and George M. Whitesides "Fabrication of surface plasmon resonators by nanoskiving single-crystalline gold microplates", Proc. SPIE 7205, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics II, 72050Q (24 February 2009); https://doi.org/10.1117/12.807813

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