Panoiu, NC; Biris, CG; (2012) Nonlinear modes of plasmonic microcavities: Theoretical analysis and device applications. Progress in Biomedical Optics and Imaging - Proceedings of SPIE , 8236 10.1117/12.907369.
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High fabrication costs of complex photonic nano-devices make it imperative to have access to high-performance computational tools, which can greatly accelerate the device design process by reducing the design-fabricationtesting cycle. To this end, in this article we briefly review a numerical method based on the multiple scattering algorithm, which we used to describe the second-harmonic generation in plasmonic nanostructures. Then, by using specific examples, we illustrate how this method can be employed to characterize the nonlinear optical modes of microcavities made of plasmonic nanowires. In particular, we show that such plasmonic microcavities have three distinct types of modes, namely, plasmonic cavity modes, multipole plasmon modes generated via the hybridization of modes of single nanowires, and whispering gallery modes. We also show that due to the sensitivity of the nonlinear plasmonic cavity modes to the changes in the environment, they are ideal candidates for nano-scale sensing devices, e. g., plasmonic sensors. © 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).
|Title:||Nonlinear modes of plasmonic microcavities: Theoretical analysis and device applications|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering|
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