Nanostripe length dependence of plasmon-induced material deformations

Valev, Ventsislav K.; Libaers, Wim; Zywietz, Urs; Zheng, Xuezhi; Centini, Marco; Pfullmann, Nils; Herrmann, Lars O.; Reinhardt, Carsten; Volskiy, Vladimir; Silhanek, Alejandro; Chichkov, Boris N.; Sibilia, C.; Vandenbosch, Guy A. E.; Moshchalkov, Victor; Baumberg, Jeremy J.; Verbiest, Thierry

doi:10.1364/ol.38.002256

Cited by 18 publications

(18 citation statements)

References 22 publications

(23 reference statements)

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“…For the experiments in Figure a‐iii, the plasmonic effect lowered the ablation threshold to 2.7 mJ cm −2 . Similar material deformations were subsequently observed in simpler geometries, i.e., nanostripes with varying lengths …”

Section: Heating Up the Latticesupporting

confidence: 70%

“Hot” in Plasmonics: Temperature‐Related Concepts and Applications of Metal Nanostructures

Kuppe

Rusimova

Ohnoutek

et al. 2019

Advanced Optical Materials

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Recent advances in nonlinear optics, hot electrons for renewable energy (e.g., solar cells and water‐splitting), acousto‐optics, nanometalworking, nanorobotics, steam generation, and photothermal cancer therapy are reviewed here. In all these areas, one of the key enabling properties is the ability of metallic nanoparticles to harvest and control light at the subwavelength scale by supporting coherent electronic oscillations, called localized surface plasmon resonances (LSPRs). Various physical properties and potential areas of application emerge depending on the decay mechanism of the LSPR and, especially, depending on the considered timescale. The field of plasmonics has mainly been associated with manipulating electromagnetic near‐fields at the nanoscale, where absorption is an obstacle. However, plasmonic absorption leads to a stream of temperature‐related phenomena that have only recently attracted significant attention. The goal of this review is to highlight exciting new areas of research (such as nanorobotics, nanometalworking, or acousto‐optical techniques) and to survey the most recent progress in more established areas (such as hot electrons, photothermal therapy, and plasmonic steam generation). To set each research area in context, the text is organized around the thermal cycle of the nanoparticles.

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Section: Heating Up the Latticesupporting

confidence: 70%

“Hot” in Plasmonics: Temperature‐Related Concepts and Applications of Metal Nanostructures

Kuppe

Rusimova

Ohnoutek

et al. 2019

Advanced Optical Materials

Self Cite

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“…The generated heat can go beyond the melting point and finally decorates the optical response of the structure. Similar simulation-experiment comparisoncan be found in [26][27][28][29][30][31].…”

Section: Volume Integral Equation Formulation and Volumetric Methods Osupporting

confidence: 79%

Understanding the Physical Behavior of Plasmonic Antennas Through Computational Electromagnetics

Zheng

Vandenbosch²,

Moshchalkov³

2017

Nanoplasmonics - Fundamentals and Applications

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This chapter focuses on understanding the electromagnetic response of nanoscopic metallic antennas through a classical computational electromagnetic algorithm: volumetric method of moments (V-MoMs). Under the assumption that metals only respond to external electromagnetic disturbance locally, we rigorously formulate the light-nanoantenna interaction in terms of a volume integral equation (VIE) and solve the equation by using the method of moments algorithm. Modes of a nanoantenna, as the excitation independent solution to the volume integral equation (VIE), are introduced to resolve the antenna's complex optical spectrum. Group representation theory is then employed to reveal how the symmetry of a nanoantenna defines the modes' properties and determines the antenna's optical response. Through such a treatment, a set of tools that can systematically treat the interaction of light with a nanoantenna is developed, paving the road for future nanoantenna design.

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“…In a subsequent paper, the location of these SHG hotspots was pinpointed on the surface of the nanostructures and was shown to correspond to regions of enhanced local fields, at the fundamental frequency . The pinpointing was achieved by inducing material deformations (or nanojets) at the hotspot locations, which could subsequently be mapped with scanning probe microscopy and compared to numerical simulations . Such hotspots were later reported in a variety of geometries, for instance O‐shaped, U‐shaped, and star‐shaped nanostructures.…”

Section: Nonlinear Chiropticsmentioning

confidence: 95%

Chirality and Chiroptical Effects in Metal Nanostructures: Fundamentals and Current Trends

Collins

Kuppe

Hooper

et al. 2017

Advanced Optical Materials

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Throughout the 19th and 20th century, chirality has mostly been associated with chemistry. However, while chirality can be very useful for understanding molecules, molecules are not well suited for understanding chirality. Indeed, the size of atoms, the length of molecular bonds and the orientations of orbitals cannot be varied at will. It is therefore difficult to study the emergence and evolution of chirality in molecules, as a function of geometrical parameters. By contrast, chiral metal nanostructures offer an unprecedented flexibility of design. Modern nanofabrication allows chiral metal nanoparticles to tune the geometric and optical chirality parameters, which are key for properties such as negative refractive index and superchiral light. Chiral meta/nano‐materials are promising for numerous technological applications, such as chiral molecular sensing, separation and synthesis, super‐resolution imaging, nanorobotics, and ultra‐thin broadband optical components for chiral light. This review covers some of the fundamentals and highlights recent trends. We begin by discussing linear chiroptical effects. We then survey the design of modern chiral materials. Next, the emergence and use of chirality parameters are summarized. In the following part, we cover the properties of nonlinear chiroptical materials. Finally, in the conclusion section, we point out current limitations and future directions of development.

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Nanostripe length dependence of plasmon-induced material deformations

Cited by 18 publications

References 22 publications

“Hot” in Plasmonics: Temperature‐Related Concepts and Applications of Metal Nanostructures

“Hot” in Plasmonics: Temperature‐Related Concepts and Applications of Metal Nanostructures

Understanding the Physical Behavior of Plasmonic Antennas Through Computational Electromagnetics

Chirality and Chiroptical Effects in Metal Nanostructures: Fundamentals and Current Trends

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