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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25468

Title: Coupled Interface Modes for Nonlinear Interaction in Periodic Layered Media
Authors: Arjmand, Arghavan Jr.
Advisor: Helmy, Amr S.
Department: Electrical and Computer Engineering
Keywords: Coupled Interface Modes
Second Order Nonlinear Interaction
Issue Date: 17-Dec-2010
Abstract: This thesis proposes the platform for the observation of a new type of electromagnetic interface mode, Coupled Interface Mode, and studies the utilization of this mode in second order nonlinear interaction in AlGaAs. The dispersion relations for theoretical examination of the modes are developed and used to design a waveguide structure that accommodates a three wave mixing process utilizing coupled interface modes. The waveguides are fabricated according to optimized fabrication recipes and characterized for linear and nonlinear properties. Second harmonic generation is adopted for the demonstration of nonlinear interaction, due to its convenient experimental set-up. Three different laser sources are used to pump the waveguides and second harmonic light is generated and characterized. Coupled interface modes in conjunction with other types of modes also existing within the same structures, offer the possibility to explore three-wave mixing processes such as sum and difference frequency generation.
URI: http://hdl.handle.net/1807/25468
Appears in Collections:Master
The Edward S. Rogers Sr. Department of Electrical & Computer Engineering - Master theses

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