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22 September 2017 Light twists around plasmonic nanowires (Conference Presentation)
Laurens Kuipers
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Proceedings Volume 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV; 103460I (2017) https://doi.org/10.1117/12.2274918
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States
Abstract
We use a near-field microscope to visualize the nanoscale light patterns, both electric and magnetic fields [1,2]. The interplay between the various components of either the magnetic or the electric fields leads to optical entities that, in their size, put nanophotonics to shame: these optical singularities have a size zero. Interestingly, optical singularities near nanoscale structures exhibit a markedly different behavior from those in macroscopic beams [3,4]. We observe a distinctly different behavior around plasmonic nanowires to that above photonic crystal waveguides [5]. Moreover, we show that these singularities and their associated local helicity can be applied for new quantum technology as they can be used to deterministically couple a spin-transition to emission direction [6], useful for novel quantum technology [7]. In addition we show that plasmonic nanowires are better than dielectric waveguides for the transmission of ultrashort pulses [8]. This can also be used to induce nonlinear phenomena [9]. [1] B. le Feber, et al., Nature Photonics Vol. 8, 43-46, (2014). [2] N. Rotenberg and L. Kuipers, Nature Photonics Vol. 8, 919-926, (2014). [3] N. Rotenberg, et al., Optica 2, 540-546 (2015). [4] L. De Angelis, et al., Phys. Rev. Lett. 117, 093901 (2016). [5] I.V. Kabakova, et al., Scientific Reports 6, 22665-1/9 (2016) [6] B. le Feber, et al., Nature Communications 6, 6695 (2015). [7] A. B. Young, et al., Phys. Rev. Lett. 115, 153901 (2015). [8] M. Wulf, et al., ACS Photonics 1, 1173−1180 (2014). [9] A. de Hoogh, et al., ACS Photonics 3, 1446-1452 (2016).
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Laurens Kuipers "Light twists around plasmonic nanowires (Conference Presentation)", Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 103460I (22 September 2017); https://doi.org/10.1117/12.2274918
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KEYWORDS
Plasmonics
Near field optics
Singular optics
Magnetism
Nonlinear optics
Ultrafast phenomena
Waveguides
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