Nonlinear effects in colloidal nanoplatelets with two-dimensional electronic structure

A. M. Smirnov; A. G. Golinskaya; M. V. Kozlova; D. V. Przhiyalkovskii; B. M. Saidjonov; R. B. Vasiliev; V. S. Dneprovskii

doi:10.1117/12.2306999

14 May 2018 Nonlinear effects in colloidal nanoplatelets with two-dimensional electronic structure

A. M. Smirnov, A. G. Golinskaya, M. V. Kozlova, D. V. Przhiyalkovskii, B. M. Saidjonov, R. B. Vasiliev, V. S. Dneprovskii

Author Affiliations +

Proceedings Volume 10684, Nonlinear Optics and its Applications 2018; 1068421 (2018) https://doi.org/10.1117/12.2306999
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

We have investigated the nonlinear absorption of CdSe-based nanoplatelets (NPLs) with different thicknesses of shell in the case of resonant one-photon stationary excitation of exciton transitions by nanosecond pulses of mode-locked Nd:YAP laser. Decrease in absorption at the wavelength of whether light hole – electron and heavy hole – electron exciton transitions was revealed. Induced changing of both absorption doublet components was attributed to phase space filling effect and exciton energy conversion mechanism.

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A. M. Smirnov, A. G. Golinskaya, M. V. Kozlova, D. V. Przhiyalkovskii, B. M. Saidjonov, R. B. Vasiliev, and V. S. Dneprovskii "Nonlinear effects in colloidal nanoplatelets with two-dimensional electronic structure", Proc. SPIE 10684, Nonlinear Optics and its Applications 2018, 1068421 (14 May 2018); https://doi.org/10.1117/12.2306999

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