Motional narrowing in semiconductor microcavities |
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| Affiliation: | 1. Institute for Chemistry and Technology of Materials (NAWI Graz), Christian-Doppler Laboratory for Lithium Batteries, Graz University of Technology, 8010 Graz, Austria;2. DFG Research Unit 1277 “Mobility of Li Ions in Solids”, Graz University of Technology, 8010 Graz, Austria;3. ALISTORE-ERI European Research Institute, 33 rue Saint Leu, 80039 Amiens, France |
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| Abstract: | We describe experiments on a semiconductor microcavity which provide the first demonstration of motional narrowing in semiconductor inter-subband optical transitions. Significant narrowing occurs because of the small mass of the polaritons in a microcavity. The demonstration is made possible by the control provided in a microcavity of the mixing between photon and exciton states, and hence the dispersion of the polariton. |
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