Polariton dispersion of periodic quantum well structures |
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| Authors: | A V Mintsev L V Butov C Ell S Mosor G Khitrova H M Gibbs |
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| Institution: | (1) Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia;(2) Materials Sciences Division, E. O. Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA;(3) Optical Sciences Center, University of Arizona, Tucson, Arizona 85721, USA |
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| Abstract: | We studied the polariton dispersion relations of a periodic quantum-well structure with a period in the vicinity of half the exciton resonance wavelength, i.e., the Bragg structure. We classified polariton modes using an approximation of a large number of quantum wells. The polariton effective masses are found to be very small and equal to 10?3?10?4 of the free-electron mass. |
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