455 citations · 1.2k across the 13 of their papers we have counts for
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Crystalline metal flakes: Platforms for advanced plasmonics and hybrid 2D material architectures
Sergejs Boroviks, Siarhei Zavatski, Thorsten Feichtner +4
Crystalline noble metal flakes are emerging as versatile platforms in nanophotonics, enabling a broad range of optical phenomena and applications. Their atomically flat surfaces, h…
Double helical plasmonic antennas
Aleksei Tsarapkin, Luka Zurak, Krzysztof Maćkosz +5
Plasmonic double helical antennas are a means to funnel circularly polarized light down to the nanoscale. Here, an existing design tool for single helices is extended to the case o…
Chiral and directional optical emission from a dipole source coupled to a helical plasmonic antenna
Lilli Kuen, Lorenz Löffler, Aleksei Tsarapkin +4
Plasmonic antennas with helical geometry are capable transducers between linearly polarized dipole emission and purely circular polarized far-fields. Besides large Purcell enhancem…
Evolutionary Optimized, Monocrystalline Gold Double Wire Gratings as a SERS Sensing Platform
Amro Sweedan, Mariela J. Pavan, Enno Schatz +7
Achieving reliable and quantifiable performance in large-area surface-enhanced Raman spectroscopy (SERS) substrates has long been a formidable challenge. It requires substantial si…
Direct electrical modulation of surface response in a single plasmonic nanoresonator
Luka Zurak, Christian Wolff, Jessica Meier +4
Classical electrodynamics describes the optical response of systems using bulk electronic properties and infinitesimally thin boundaries. However, due to the quantum nature of elec…
Controlling field asymmetry in nanoscale gaps for second harmonic generation
Jessica Meier, Luka Zurak, Andrea Locatelli +3
Plasmonic dimer antennas create strong field enhancement by squeezing light into a nanoscale gap. These optical hotspots are highly attractive for boosting nonlinear processes, suc…
The resonant behavior of a single plasmonic helix
K. Höflich, Th. Feichtner, E. Hansjürgen +4
Chiral plasmonic nanostructures will be of increasing importance for future applications in the field of nano optics and metamaterials. Their sensitivity to incident circularly pol…
Mode-matching for Optical Antennas
Thorsten Feichtner, Silke Christiansen, Bert Hecht
The emission rate of a point dipole can be strongly increased in presence of a well-designed optical antenna. Yet, optical antenna design is largely based on radio-frequency rules,…
Plasmonic nanoantenna design and fabrication based on evolutionary optimization
Thorsten Feichtner, Oleg Selig, Bert Hecht
Nanoantennas for light enhance light-matter interaction at the nanoscale making them useful in optical communication, sensing, and spectroscopy. So far nanoantenna engineering has…
Evolutionary optimization of optical antennas
Thorsten Feichtner, Oleg Selig, Markus Kiunke +1
The design of nano-antennas is so far mainly inspired by radio-frequency technology. However, material properties and experimental settings need to be reconsidered at optical frequ…
Atomically flat single-crystalline gold nanostructures for plasmonic nanocircuitry
Jer-Shing Huang, Victor Callegari, Peter Geisler +12
Deep subwavelength integration of high-definition plasmonic nanostructures is of key importance for the development of future optical nanocircuitry for high-speed communication, qu…
Impedance matching and emission properties of optical antennas in a nanophotonic circuit
Jer-Shing Huang, Thorsten Feichtner, Paolo Biagioni +1
An experimentally realizable prototype nanophotonic circuit consisting of a receiving and an emitting nano antenna connected by a two-wire optical transmission line is studied usin…