Ionization of deep quantum wells: Optical trampoline effect |
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Authors: | E Yu Perlin R S Levitskiĭ |
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Institution: | (1) Center of Information Optical Technologies, St. Petersburg State University of Information Technologies, Mechanics, and Optics, St. Petersburg, 199034, Russia |
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Abstract: | A new mechanism of transitions of an electronic system from the ground state to states with excitation energies exceeding many times the energy of a light photon initiating the transitions has been considered. This mechanism is based on the so-called optical “trampoline” effect: one of the interacting electrons receives energy from another electron and, simultaneously absorbing a photon ?ω, overcomes the energy gap significantly exceeding ?ω. Ionization of deep quantum wells by low-frequency light of moderate intensity due to the optical trampoline effect was calculated. |
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