Nanoscale metal waveguide arrays as plasmon lenses

Optics Letters
Xiebin Fan, Guo Ping Wang

Abstract

Propagation of surface plasmon polaritons (SPPs) through a set of nanoscale metal waveguide arrays (MWGAs) is numerically simulated by using the finite-difference time-domain method. The results reveal that MWGAs show an interesting lens effect on SPPs: SPPs can be strongly focused or defocused by the MWGAs, which we attribute to anomalous coupling of SPPs in MWGAs. Our results imply interesting potential for MWGAs in, for example, nonlinear optics, optical imaging, and nanosensing.

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Citations

Oct 17, 2014·Scientific Reports·Peter B CatrysseShanhui Fan
Sep 23, 2009·Optics Express·Lihua ZhaoQian Sun
Dec 10, 2009·Optics Express·Salvatore SavoAntonello Andreone
Feb 3, 2009·Optics Letters·M Y-C Xu, J S Aitchison
Aug 8, 2009·Physical Review Letters·Lieven VerslegersShanhui Fan
Sep 10, 2019·The Journal of Physical Chemistry Letters·Kevin T CramptonPatrick Z El-Khoury

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