René Kullock
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View article: Modulation of surface response in a single plasmonic nanoresonator
Modulation of surface response in a single plasmonic nanoresonator Open
Scattering of light by plasmonic nanoparticles is classically described using bulk material properties with infinitesimally thin boundaries. However, because of the quantum nature of electrons, real interfaces have finite thickness, leadin…
View article: Controlling Field Asymmetry in Nanoscale Gaps for Second Harmonic Generation
Controlling Field Asymmetry in Nanoscale Gaps for Second Harmonic Generation Open
Field hotspots in nanoscale gaps of plasmonic antennas can boost nonlinear processes such as harmonic generation, photoelectron emission, and ultrafast electron transport. Alongside large field enhancement, such phenomena often require con…
View article: Direct electrical modulation of surface response in a single plasmonic nanoresonator
Direct electrical modulation of surface response in a single plasmonic nanoresonator Open
Classical electrodynamics describes the optical response of systems using bulk electronic properties and infinitesimally thin boundaries. However, due to the quantum nature of electrons, interfaces have a finite thickness. Non-classical su…
View article: Site-selective functionalization of in-plane nanoelectrode-antennas
Site-selective functionalization of in-plane nanoelectrode-antennas Open
Site-selective functionalization of nanoscale metal electrodes with different self-assembled monolayers is paving the road for laterally arranged optoelectronic devices based on selectively engineered nanoscale interfaces.
View article: Controlling field asymmetry in nanoscale gaps for second harmonic generation
Controlling field asymmetry in nanoscale gaps for second harmonic generation Open
Plasmonic dimer antennas create strong field enhancement by squeezing light into a nanoscale gap. These optical hotspots are highly attractive for boosting nonlinear processes, such as harmonic generation, photoelectron emission, and ultra…
View article: Tunable Nanoplasmonic Photodetectors
Tunable Nanoplasmonic Photodetectors Open
Visible and infrared photons can be detected with a broadband response via the internal photoeffect. By using plasmonic nanostructures, i.e. nanoantennas, wavelength selectivity can be introduced to such detectors through geometry-dependen…
View article: Development of Rotaxanes as E-Field-Sensitive Superstructures in Plasmonic Nano-Antennas
Development of Rotaxanes as E-Field-Sensitive Superstructures in Plasmonic Nano-Antennas Open
We present the concept of electrostatic field-driven supramolecular translation within electrically connected plasmonic nano-antennas. The antenna serves as an anchoring point for the mechanically interlocked molecules, as an electrode for…
View article: Development of Rotaxanes as E-Field Sensitive Superstructures in Plasmonic Nano-Antennas
Development of Rotaxanes as E-Field Sensitive Superstructures in Plasmonic Nano-Antennas Open
NMR, HR-MS, UV-VIS, Fluorescence, and Photoluminescence data of the graphs and supplementary data provided with the manuscript.
View article: Development of Rotaxanes as E-Field Sensitive Superstructures in Plasmonic Nano-Antennas
Development of Rotaxanes as E-Field Sensitive Superstructures in Plasmonic Nano-Antennas Open
NMR, HR-MS, UV-VIS, Fluorescence, and Photoluminescence data of the graphs and supplementary data provided with the manuscript.
View article: Nonclassical Optical Properties of Mesoscopic Gold
Nonclassical Optical Properties of Mesoscopic Gold Open
Gold nanostructures have important applications in nanoelectronics, nano-optics, and in precision metrology due to their intriguing optoelectronic properties. These properties are governed by the bulk band structure but to some extent are …
View article: Grazing-incidence optical magnetic recording with super-resolution
Grazing-incidence optical magnetic recording with super-resolution Open
Heat-assisted magnetic recording (HAMR) is often considered the next major step in the storage industry: it is predicted to increase the storage capacity, the read/write speed and the data lifetime of future hard disk drives. However, desp…