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Lorek E, Mårsell E, Losquin A, et al. Size and shape dependent few-cycle near-field dynamics of bowtie nanoantennas. Opt Express. 2015;23(24):31460-71doi: 10.1364/OE.23.031460.
Lorek, E., Mårsell, E., Losquin, A., Miranda, M., Harth, A., Guo, C., Svärd, R., Arnold, C. L., L'Huiller, A., Mikkelsen, A., & Mauritsson, J. (2015). Size and shape dependent few-cycle near-field dynamics of bowtie nanoantennas. Optics express, 23(24), 31460-71. https://doi.org/10.1364/OE.23.031460
Lorek, Eleonora, et al. "Size and shape dependent few-cycle near-field dynamics of bowtie nanoantennas." Optics express vol. 23,24 (2015): 31460-71. doi: https://doi.org/10.1364/OE.23.031460
Lorek E, Mårsell E, Losquin A, Miranda M, Harth A, Guo C, Svärd R, Arnold CL, L'Huiller A, Mikkelsen A, Mauritsson J. Size and shape dependent few-cycle near-field dynamics of bowtie nanoantennas. Opt Express. 2015 Nov 30;23(24):31460-71. doi: 10.1364/OE.23.031460. PMID: 26698771.
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Opt Express. 2015 Nov 30;23(24):31460-71. doi: 10.1364/OE.23.031460.

Size and shape dependent few-cycle near-field dynamics of bowtie nanoantennas.

Optics express

Eleonora Lorek, Erik Mårsell, Arthur Losquin, Miguel Miranda, Anne Harth, Chen Guo, Robin Svärd, Cord L Arnold, Anne L'Huiller, Anders Mikkelsen, Johan Mauritsson

PMID: 26698771 DOI: 10.1364/OE.23.031460

Abstract

Metal nanostructures can transfer electromagnetic energy from femtosecond laser pulses to the near-field down to spatial scales well below the optical diffraction limit. By combining few-femtosecond laser pulses with photoemission electron microscopy, we study the dynamics of the induced few-cycle near-field in individual bowtie nanoantennas. We investigate how the dynamics depend on antenna size and exact bowtie shape resulting from fabrication. Different dynamics are, as expected, measured for antennas of different sizes. However, we also detect comparable dynamics differences between individual antennas of similar size. With Finite-difference time-domain simulations we show that these dynamics differences between similarly sized antennas can be due to small lateral shape variations generally induced during the fabrication.

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