Document Type thesis Author Name Oliveira, Eduardo M. A. URN etd-112007-105238 Title Thermal and Quantum Analysis of a Stored State in a Photonic Crystal CROW Structure Degree MS Department Electrical & Computer Engineering Advisors Brian M. King, Advisor David Cyganski, Committee Member Sergey N. Makarov, Committee Member Keywords CROW PBG PhC coupled resonator optical waveguide metamaterials photonic crystal Bloch wave photonic band gap dynamic waveguide Brillouin zone thermal spreading Date of Presentation/Defense 2007-05-08 Availability unrestricted
Photonic crystals have recently been the subject of studies for use in optical signal processing. In particular, a Coupled Resonator Optical Waveguide (CROW) structure has been considered by M. F. Yanik and S. Fan in “Stopping Light All Optically” for use in a time-varying optical system for the storage of light in order to mitigate the effects of waveguide dispersion. In this thesis, the effects of the thermal field on the state stored in such a structure is studied. Through simulation, this thesis finds that when this structure is constructed of gallium arsenide cylinders in air, loss of the signal was found to be caused by free-carrier absorption, and the decay of the signal dominates over thermal spreading of the optical signal’s spectrum.
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