Computational and Experimental Methods for Resolving Solid-State Emitters: Crystal-Field Calculations and Multidimensional Spectroscopy

Kurvits, Jonathan A.

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Year:: 2017
Contributor:: Kurvits, Jonathan A (creator); Zia, Rashid (Advisor); Beresford, Roderic (Reader); Valles, James (Reader); Brown University. Department of Physics (sponsor)
Genre:: theses
Subject:: Optics; Photonics
Extent:: , None p.
DOI: https://doi.org/10.7301/Z069721Z

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Abstract:: Abstract of “Computational and Experimental Methods for Resolving Solid-State Emitters: Crystal-Field Calculations and Multidimensional Spectroscopy” By Jonathan A. Kurvits, Ph.D., Brown University, May 2017 The identification of new emitters for quantum optics and nanophotonics has been a challenging process. This is due both to a historical bias in optical materials research for laser systems and the prevalence of ab initio methods that have displaced earlier phenomenological approaches for electronic structure calculations. Thus, we have a wealth of knowledge about laser systems and can accurately model individual defects, but are lacking systematic methods for identifying and characterizing suitable emitter systems. In this thesis, we begin to bridge this knowledge gap by developing a computational package, based on group theory, which allows for the calculation of energy levels and magnetic dipole transition for emitters embedded in an arbitrary crystal host. Using this framework, we calculated transition rates for 3d, 4d, and 5d transition-metal free-ions, as well as 3d transition-metals embedded in magnesium oxide and gallium arsenide. Furthermore, using optical modeling software, we designed and optimized a high-throughput Fourier-based hyperspectral imaging technique which is ideally suited to characterizing multipolar transition in crystal hosts. Finally, using this experimental platform, we measured the magnetic dipole contribution to emission from chromium-doped magnesium oxide and europium-doped yttrium oxide.
Notes:: Thesis (Ph. D.)--Brown University, 2017

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Kurvits, Jonathan A., "Computational and Experimental Methods for Resolving Solid-State Emitters: Crystal-Field Calculations and Multidimensional Spectroscopy" (2017). Physics Theses and Dissertations. Brown Digital Repository. Brown University Library. https://doi.org/10.7301/Z069721Z

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