Dean of the College and Physics Program Present
Exploring Excitons in Solids with Multidimensional Coherent Spectroscopy
Tuesday, December 6, 2016
RKC 111
5:00 pm EST/GMT-5
5:00 pm EST/GMT-5
Christopher Smallwood, University of Michigan
Excitons, which consist of bound pairs of electrons and electron vacancies in solid-state media, are among the most important types of electrical excitations that can be created when materials are exposed to light. Exciton physics is, for example, relevant to the underlying processes of photovoltaic solar cells, light-emitting diodes, and quantum cascade lasers. Excitons in spatially confined semiconductors like quantum dots have been proposed as candidates for qubits in quantum computation. Finally, excitons in semiconductors like gallium arsenide heterostructures constitute an important model system in solid-state physics, which is useful for studying phenomena ranging from quantum mechanical tunneling to Bose-Einstein condensation. I will discuss recent efforts using optical multidimensional coherent spectroscopy (MDCS) to elucidate the physics of excitons in semiconductor heterostructures, as well as potential future applications of MDCS in exciton research.For more information, call 845-758-7584, or e-mail [email protected].
Time: 5:00 pm EST/GMT-5
Location: RKC 111