Harmonic generation via excitation of surface states formed from spatially separated electrons and holes in nanocomposites

O. Khasanov; T. Smirnova; O. Fedotova; G. Rusetsky; V. Gayvoronsky; S. Pokutnyi; E. Gaižauskas

doi:10.1117/12.2305744

8 May 2018 Harmonic generation via excitation of surface states formed from spatially separated electrons and holes in nanocomposites

O. Khasanov, T. Smirnova, O. Fedotova, G. Rusetsky, V. Gayvoronsky, S. Pokutnyi, E. Gaižauskas

Author Affiliations +

Proceedings Volume 10638, Ultrafast Bandgap Photonics III; 106381E (2018) https://doi.org/10.1117/12.2305744
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

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, and 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); https://doi.org/10.1117/12.2305744

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