Issue 3, 2016

A cross-stacked plasmonic nanowire network for high-contrast femtosecond optical switching

Abstract

We report an ultrafast optical switching device constructed by stacking two layers of gold nanowires into a perpendicularly crossed network, which works at a speed faster than 280 fs with an on/off modulation depth of about 22.4%. The two stacks play different roles in enhancing consistently the optical switching performance due to their different dependence on the polarization of optical electric fields. The cross-plasmon resonance based on the interaction between the perpendicularly stacked gold nanowires and its Fano-coupling with Rayleigh anomaly is the dominant mechanism for such a high-contrast optical switching device.

Graphical abstract: A cross-stacked plasmonic nanowire network for high-contrast femtosecond optical switching

Article information

Article type
Paper
Submitted
19 Sep 2015
Accepted
30 Nov 2015
First published
01 Dec 2015

Nanoscale, 2016,8, 1421-1429

A cross-stacked plasmonic nanowire network for high-contrast femtosecond optical switching

Y. Lin, X. Zhang, X. Fang and S. Liang, Nanoscale, 2016, 8, 1421 DOI: 10.1039/C5NR06464C

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