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- W2281009565 abstract "In this thesis, a comprehensive and rigorous theoretical model has been developedin order to study nonlinear optical pulse propagation in silicon nanowires and onedimensionalsilicon photonic crystal waveguides. Our theoretical model includes allthe linear and nonlinear effects, such as free-carrier dispersion, free-carrier absorption,self- and cross-phase modulation, cross-absorption modulation, and free-carrier generationthat describe the pulse dynamics in such photonic waveguides. This work presentsresults pertaining to pulse reshaping and optical signal processing using optical nonlinearitiesof silicon photonic wires with subwavelength cross-section. We have considereddifferent waveguide configurations, such as adiabatically tapered waveguides,long-period width-modulated Bragg waveguides, and photonic crystal waveguides. Inparticular, we have illustrated how optical nonlinearity and dispersion engineering oftapered photonic wires can be employed to generate optical similaritons and achievemore than 10 times pulse compression. We also discuss the properties of four-wavemixing pulsed amplification and frequency conversion efficiency in long-period Braggwaveguides and photonic crystal waveguides. In the latter case, a comparison betweendevice performance in the slow- and fast-light regimes is also presented." @default.
- W2281009565 created "2016-06-24" @default.
- W2281009565 creator A5066633405 @default.
- W2281009565 date "2015-12-28" @default.
- W2281009565 modified "2023-09-26" @default.
- W2281009565 title "Optical pulse dynamics in sub-wavelength nano-patterned silicon photonic wires" @default.
- W2281009565 hasPublicationYear "2015" @default.
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