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Cold excitonic matter in Cu 2 O under two-photon excitation

e -. polaritons. E. h +. 2k o. UPB. a B = 0.7 nm. LPB. k o. Impurity-bound excitons. k o. k. Laser pulse. Cold excitonic matter in Cu 2 O under two-photon excitation J. B. Ketterson 1 and R. P. H. Chang 2 1 Department of Physics and Astronomy

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Cold excitonic matter in Cu 2 O under two-photon excitation

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  1. e- polaritons E h+ 2ko UPB aB = 0.7 nm LPB ko Impurity-bound excitons ko k Laser pulse Cold excitonic matter in Cu2O under two-photon excitation J. B. Ketterson1 and R. P. H. Chang2 1Department of Physics and Astronomy 2Department of Materials Science and Engineering Northwestern University, DMR-0353831 Exciton and polariton emissions in cuprous oxide Exciton: Bound state of electron-hole Propagating polaritons under two-photon excitation via Phase-space compression* ( + ) + () = 2 Polariton: Quantum Superposition of an exciton and a photon *R. Shimano et al., PRL 89, 233601 (2002) Photo-excitation & exciton PL after filtering

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