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Nonlinear Optical Properties of Si Nanocrystals

Published online by Cambridge University Press:  01 February 2011

Rita Spano ,
Massimo Cazzanelli ,
Nicola Daldosso ,
Zeno Gaburro ,
Luigi Ferraioli ,
Luca Tartara ,
Jin Yu ,
Vittorio Degiorgio ,
Sergi Hernandez  and
Youcef Lebour
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Rita Spano
Affiliation:
luigi@science.unitn.it, Università di Trento, Physics, via Sommarive 14, I-38050, Povo (Trento), Trento, 38050, Italy, +39 0461 882070, +39 0461 881696
Massimo Cazzanelli
Affiliation:
kazza@alpaha.science.unitn.it, Università di Trento, Dipartimento di Fisica, Via Sommarive 14, Trento, I-38050, Italy
Nicola Daldosso
Affiliation:
daldosso@science.unitn.it, Università di Trento, Dipartimento di Fisica, Via Sommarive 14, Trento, I-38050, Italy
Zeno Gaburro
Affiliation:
gaburro@science.unitn.it, Università di Trento, Dipartimento di Fisica, Via Sommarive 14, Trento, I-38050, Italy
Luigi Ferraioli
Affiliation:
luigi@science.unitn.it, Università di Trento, Dipartimento di Fisica, Via Sommarive 14, Trento, I-38050, Italy
Luca Tartara
Affiliation:
luca.tartara@unipv.it, Università di Pavia, Dipartimento di Elettronica, Via Ferrata 1, Pavia, I-27100, Italy
Jin Yu
Affiliation:
jinyu@unipv.it, Università di Pavia, Dipartimento di Elettronica, Via Ferrata 1, Pavia, I-27100, Italy
Vittorio Degiorgio
Affiliation:
vittorio.degiorgio@unipv.it, Università di Pavia, Dipartimento di Elettronica, Via Ferrata 1, Pavia, I-27100, Italy
Sergi Hernandez
Affiliation:
shernandez@el.ub.es, Universitat de Barcelona, Departament d'Electrònica, Martì i Franquès 1, Barcelona, 08028, Spain
Youcef Lebour
Affiliation:
lebour@el.ub.es, Universitat de Barcelona, Departament d'Electrònica, Martì i Franquès 1, Barcelona, 08028, Spain
Paolo Pellegrino
Affiliation:
paolo@el.ub.es, Universitat de Barcelona, Departament d'Electrònica, Martì i Franquès 1, Barcelona, 08028, Spain
Blas Garrido
Affiliation:
blas@el.ub.es, Universitat de Barcelona, Departament d'Electrònica, Martì i Franquès 1, Barcelona, 08028, Spain
Emmanuel Jordana
Affiliation:
emmanuel.jordana@cea.fr, CEA-LETI, 17, rue des Martyrs, Grenoble Cedex 9, 38054, France
Jean Marc Fedeli
Affiliation:
jean-marc.fedeli@cea.fr, CEA-LETI, 17, rue des Martyrs, Grenoble Cedex 9, 38054, France
Lorenzo Pavesi
Affiliation:
pavesi@science.unitn.it, Università di Trento, Dipartimento di Fisica, Via Sommarive 14, Trento, I-38050, Italy
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Abstract

A systematic study of nonlinear optical properties of silicon nanocrystals (Si-nc) grown by plasma enhanced chemical vapor deposition (PECVD) is reported. Nonlinear optical refraction and absorption have been measured by z-scan technique at three different time regimes and at different wavelengths to investigate both the thermal and electronic responses. For this purpose three different laser sources have been used. Different behaviors, as expected from the theory, for different pump pulse durations are observed.

Keywords

optical propertiesSinanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 958: Symposium L – Group IV Semiconductor Nanostructures—2006 , 2006 , 0958-L08-06
Copyright
Copyright © Materials Research Society 2007

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References

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