期刊
APPLIED PHYSICS LETTERS
卷 104, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4866048
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资金
- Air Force Office of Scientific Research (AFOSR) [FA9550-09-1-0562]
- Army Research Office through a Multidisciplinary University Research Initiative [W911NF-09-1-0539]
Colloidally synthesized nanocubes strongly coupled to conducting films hold great promise for enhancing different nonlinear optical processes. They exhibit a robust and sensitive scattering response that can be easily controlled by their geometrical and material parameters. Strong local field enhancement is generated at the gap regions between the nanocubes and the metallic film. We show that strong optical bistability and all-optical switching behavior can be obtained by loading these nanogaps with Kerr nonlinear materials. Relatively low input intensities are required to obtain these nonlinear effects. The proposed design can lead to efficient, low-power, and ultrafast all-optical memories and scattering nanoswitches. (C) 2014 AIP Publishing LLC.
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