A researcher in quantum optics whose joint work on Rydberg excitons connects highly excited atomic states with optical excitations in semiconductors. The 2014 study found evidence of Rydberg blockade: the presence of one large exciton suppresses the creation of another nearby.[ref]
Giant Rydberg Excitons in Cuprous Oxide by Tomasz Kazimierczuk and others. Abstract: dipole interactions and suppression of nearby excitation
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