Precise characterization of waveguide parameters is necessary for the successful design of nonlinear photonic devices. This dissertation contains a description of methods for the experimental characterization of distributed Bragg reflectors for use in nonlinear optics and other applications. The general coupled-mode theory of Bragg reflection arising from a periodic dielectric perturbation is developed from Maxwell's equations. This theory is then applied to develop a method of characterizing the fundamental parameters that describe Bragg reflection by comparing the spectral response of Bragg reflector resonators. This method is also extended to characterize linear loss in waveguides. A model of nonlinear effects in Bragg reflector resonators manifesting in bistability is also developed, as this phenomenon can be detrimental to the characterization method. Specific recommendations are made regarding waveguide fabrication and experimental design to reduce sources of experimental error.
|Commitee:||Bandaru, Prabhakar, Kummel, Andrew, Liu, Zhaowei, Radic, Stojan|
|School:||University of California, San Diego|
|Department:||Electrical Engineering (Photonics)|
|School Location:||United States -- California|
|Source:||DAI-B 75/10(E), Dissertation Abstracts International|
|Keywords:||Bragg reflectors, Metrology|
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