8 May 2018 Harmonic generation via excitation of surface states formed from spatially separated electrons and holes in nanocomposites
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Abstract
We search for efficient schemes of second and terahertz harmonic generation in nanocomposites consisted of metal-oxide semiconductor quantum dots incorporated into a dielectric matrix, when the quantum dots are in resonance and the dielectric matrix is out of resonance with femtosecond light pulse. It’s established that large efficiency of frequency up-conversion is possible to attain, which may be for the optimal quantum dot concentration in above mentioned nanocomposites by 70% higher than in pure nonlinear dielectric matrix.
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O. Khasanov, T. Smirnova, O. Fedotova, G. Rusetsky, V. Gayvoronsky, S. Pokutnyi, E. Gaižauskas, "Harmonic generation via excitation of surface states formed from spatially separated electrons and holes in nanocomposites", Proc. SPIE 10638, Ultrafast Bandgap Photonics III, 106381E (8 May 2018); doi: 10.1117/12.2305744; https://doi.org/10.1117/12.2305744
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