Issue 4, 2020
From the journal:

Nanoscale Advances

Giant ultrafast optical nonlinearities of annealed Sb2Te3 layers†

Charles Moisset,a   Richard-Nicolas Verrone,a   Antoine Bourgade,a   Gebrehiwot Tesfay Zeweldi,a   Marco Minissale,b   Laurent Gallais, ORCID logo a   Carine Perrin-Pellegrino, ORCID logo c   Hassan Akhouayri,a   Julien Lumeau,a   Jean-Yves Natolia  and  Konstantinos Iliopoulos ORCID logo *a  

* Corresponding authors

a Aix Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, Marseille, France
E-mail: konstantinos.iliopoulos@fresnel.fr

b Aix Marseille Univ, CNRS, PIIM, Marseille, France

c Aix Marseille Univ, Univ Toulon, CNRS, IM2NP, UMR 7334, Marseille, France

Abstract

The optimization of thin Sb2Te3 films in order to obtain giant ultrafast optical nonlinearities is reported. The ultrafast nonlinearities of the thin film layers are studied by the Z-scan technique. Giant saturable absorption is obtained, which is the highest ever reported, by means of the Z-scan technique.

Graphical abstract: Giant ultrafast optical nonlinearities of annealed Sb2Te3 layers

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Article information

DOI
https://doi.org/10.1039/C9NA00796B
Article type
Communication
Submitted
23 Dec 2019
Accepted
16 Feb 2020
First published
17 Feb 2020
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2020,2, 1427-1430

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Giant ultrafast optical nonlinearities of annealed Sb2Te3 layers

C. Moisset, R. Verrone, A. Bourgade, G. T. Zeweldi, M. Minissale, L. Gallais, C. Perrin-Pellegrino, H. Akhouayri, J. Lumeau, J. Natoli and K. Iliopoulos, Nanoscale Adv., 2020, 2, 1427 DOI: 10.1039/C9NA00796B

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