Creation technique and nonlinear optics of dynamic one-dimensional photonic crystals in colloidal solution of quantum dots

A. M. Smirnov; A. D. Golinskaya; K. Ezhova; M. Kozlova; J. V. Stebakova; Y. V. Valchuk

doi:10.1117/12.2265880

16 May 2017 Creation technique and nonlinear optics of dynamic one-dimensional photonic crystals in colloidal solution of quantum dots

A. M. Smirnov, A. D. Golinskaya, K. Ezhova, M. Kozlova, J. V. Stebakova, Y. V. Valchuk

Author Affiliations +

Proceedings Volume 10228, Nonlinear Optics and Applications X; 102281C (2017) https://doi.org/10.1117/12.2265880
Event: SPIE Optics + Optoelectronics, 2017, Prague, Czech Republic

Abstract

One-dimensional dynamic photonic crystal was formed by a periodic spatial modulation of dielectric permittivity induced by the two ultrashort laser pulses interference in semiconductor quantum dots CdSe/ZnS (QDs) colloidal solution intersecting at angle θ. The fundamental differences of dynamic photonic crystals from static ones which determine the properties of these transient structures are the following. I. Dynamic photonic crystals lifetimes are determined by the nature of nonlinear changes of dielectric permittivity. II. The refractive index changing is determined by the intensity of the induced standing wave maxima and nonlinear susceptibility of the sample. We use the pump and probe method to create the dynamic one-dimensional photonic crystal and to analyze its features. Two focused laser beams are the pump beams, that form in the colloidal solution of quantum dots dynamic one-dimensional photonic crystal. The picosecond continuum, generated by the first harmonic of laser (1064 nm) passing through a heavy water is used as the probe beam. The self-diffraction of pumping beams on self induced dynamic one-dimensional photonic crystal provides information about spatial combining of laser beams.

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A. M. Smirnov, A. D. Golinskaya, K. Ezhova, M. Kozlova, J. V. Stebakova, and Y. V. Valchuk "Creation technique and nonlinear optics of dynamic one-dimensional photonic crystals in colloidal solution of quantum dots", Proc. SPIE 10228, Nonlinear Optics and Applications X, 102281C (16 May 2017); https://doi.org/10.1117/12.2265880

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