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Time-resolved Excitonic Lyman Spectroscopy of Cu2O

Makoto Kuwata-Gonokami 1 Motoyoshi Kubouchi 1 Ryo Shimano 1 André Mysyrowicz 2
1 Department of Applied Physics
2 LOA - Laboratoire d'optique appliquée
Abstract : Using ultrafast time-resolved IR spectroscopy, we measure the transition from the populated 1s state to the 2p state of the yellow excitonic series of Cu2O. We show that this technique can provide information on the populations of n=1 ortho- and paraexcitons, their distribution in momentum space, their inter-conversion rate, as well as their expansion through the crystal.
Keywords : exciton Bose–Einstein condensation Lyman series mid-infrared ultrafast spectroscopy
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https://hal-polytechnique.archives-ouvertes.fr/hal-00463644
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Submitted on : Saturday, March 13, 2010 - 9:04:37 PM
Last modification on : Monday, May 17, 2021 - 12:00:04 PM

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Makoto Kuwata-Gonokami, Motoyoshi Kubouchi, Ryo Shimano, André Mysyrowicz. Time-resolved Excitonic Lyman Spectroscopy of Cu2O. Journal of the Physical Society of Japan, Physical Society of Japan 日本物理学会, 2004, 73, pp.1065-1069. ⟨10.1143/JPSJ.73.1065⟩. ⟨hal-00463644⟩

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