EPJ Web of Conferences
Volume 103, 2015XII International Workshop on Quantum Optics (IWQO-2015)
|Number of page(s)||1|
|Section||Coherent and Nonlinear Optics. Photon Echo Spectroscopy|
|Published online||25 September 2015|
Nonresonant Transient Refractive Index Spectroscopy in Semiconductor Quantum Dots
Kazan E. K. Zavoisky Physical -Technical Institute, Sibirsky tract, 10/7 420029 Kazan, Russia
a Corresponding author: email@example.com
Published online: 25 September 2015
We report transient refractive index change in semiconductor nanoparticles dispersed in polymethylmethacrylate matrix via pump-probe experiment. At lower pump intensities the detected signal consists of the pulse autocorrelation-shaped part and another part delayed by 300 fs. The latter’s relative intensity depends on the pump level. However in CdS monocrystal the detected signal was found to lack this second feature completely.
Key words: quantum dots / semiconductor nanoparticles / transient lens / nonlinear refractive index
© Owned by the authors, published by EDP Sciences, 2015
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