Laser printing of silicon nanoparticles with resonant optical electric and magnetic responses

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autorschaft

  • Urs Zywietz
  • Andrey B. Evlyukhin
  • Carsten Reinhardt
  • Boris N. Chichkov

Externe Organisationen

  • Laser Zentrum Hannover e.V. (LZH)
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Aufsatznummer3402
FachzeitschriftNature Communications
Jahrgang5
PublikationsstatusVeröffentlicht - 4 März 2014
Extern publiziertJa

Abstract

Silicon nanoparticles with sizes of a few hundred nanometres exhibit unique optical properties due to their strong electric and magnetic dipole responses in the visible range. Here we demonstrate a novel laser printing technique for the controlled fabrication and precise deposition of silicon nanoparticles. Using femtosecond laser pulses it is possible to vary the size of Si nanoparticles and their crystallographic phase. Si nanoparticles produced by femtosecond laser printing are initially in an amorphous phase (a-Si). They can be converted into the crystalline phase (c-Si) by irradiating them with a second femtosecond laser pulse. The resonance-scattering spectrum of c-Si nanoparticles, compared with that of a-Si nanoparticles, is blue shifted and its peak intensity is about three times higher. Resonant optical responses of dielectric nanoparticles are characterized by accumulation of electromagnetic energy in the excited modes, which can be used for the realization of nanoantennas, nanolasers and metamaterials.

ASJC Scopus Sachgebiete

Zitieren

Laser printing of silicon nanoparticles with resonant optical electric and magnetic responses. / Zywietz, Urs; Evlyukhin, Andrey B.; Reinhardt, Carsten et al.
in: Nature Communications, Jahrgang 5, 3402, 04.03.2014.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Zywietz U, Evlyukhin AB, Reinhardt C, Chichkov BN. Laser printing of silicon nanoparticles with resonant optical electric and magnetic responses. Nature Communications. 2014 Mär 4;5:3402. doi: 10.1038/ncomms4402
Zywietz, Urs ; Evlyukhin, Andrey B. ; Reinhardt, Carsten et al. / Laser printing of silicon nanoparticles with resonant optical electric and magnetic responses. in: Nature Communications. 2014 ; Jahrgang 5.
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abstract = "Silicon nanoparticles with sizes of a few hundred nanometres exhibit unique optical properties due to their strong electric and magnetic dipole responses in the visible range. Here we demonstrate a novel laser printing technique for the controlled fabrication and precise deposition of silicon nanoparticles. Using femtosecond laser pulses it is possible to vary the size of Si nanoparticles and their crystallographic phase. Si nanoparticles produced by femtosecond laser printing are initially in an amorphous phase (a-Si). They can be converted into the crystalline phase (c-Si) by irradiating them with a second femtosecond laser pulse. The resonance-scattering spectrum of c-Si nanoparticles, compared with that of a-Si nanoparticles, is blue shifted and its peak intensity is about three times higher. Resonant optical responses of dielectric nanoparticles are characterized by accumulation of electromagnetic energy in the excited modes, which can be used for the realization of nanoantennas, nanolasers and metamaterials.",
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AU - Evlyukhin, Andrey B.

AU - Reinhardt, Carsten

AU - Chichkov, Boris N.

N1 - Funding information: The authors acknowledge financial support of this work by the priority program SPP1391 ‘Ultrafast Nanooptics’, the project CH 179/20-1 and the Collaborative Research Center/ Transregio 123 Planar Optronic Systems of the German Research Foundation (Deutsche Forschungsgemeinschaft, DFG), as well as technical support provided by Dr F. Schulze-Wischeler, Laboratory of Nano and Quantum Engineering (LNQE), Hannover. A.B.E. and B.N.C. also acknowledge support by the Russian Foundation for Basic Research.

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