Graduate Thesis Or Dissertation
 

Surface-Normal Modulation of Fano Resonances in Metallic Photonic Crystals for Free-Space Optical Interconnects

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/rx913s78v

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  • This dissertation focuses on the development of ultra-compact optical devices for free-space modulation. We propose a surface-normal modulator using metallic photonic crystals for free-space optical interconnects. The active control of light intensity is achieved by engineering the Fano resonances in metallic photonic crystals. Both thermo-optic modulation and electro-optic modulation of the plasmonic bandgap are investigated, and bandgap tuning due to those effects is demonstrated. Additionally, the potential application of Fano resonances in metallic photonic crystals can be found in all-optical switching processing devices. Therefore, we show a hybrid plasmonic-organic nanostructure with extraordinary third harmonic generation emission at 1550 nm. Lastly, a simple method is proposed in this work to investigate the effect of finite grating size on Rayleigh anomaly-surface plasmon polariton (RA-SPP) resonances. The model could quickly and effectively predict the broadening of the transitional edges of RA-SPP resonances, which agrees well with experimental results quantitatively.
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  • 2017-08-09 to 2018-12-12

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