FEMTOSECOND PHOTON ECHO ON SIZE-INHOMOGENEOUS QUANTUM DOTS OF ZINC OXIDE AT ROOM TEMPERATURE

N. S. Vashurin, I. I. Popov, S. E. Putilin, V. T. Sidorova, S. A. Stepanov, N. I. Sushentsov


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Abstract

The article deals with the discovery of femtosecond signals of self-diffraction and photon echo in a zinc oxide film of 100 nm thickness, consisting of different-sized quantum dots, at room temperature. Experimental results, proving the Autler-Townes effect demonstration on exciton transitions of quantum dots, are obtained.


Keywords: femtosecond photon echo, self-diffraction, zinc oxide film, magnetron sputtering, quantum dots, Autler-Townes effect
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