110 citations · 421 across the 14 of their papers we have counts for
14 papers
Plasmon Induced Delocalized Second-Harmonic Generation Towards Buried-Interface Spectroscopy
Alan R. Bowman, Sergejs Boroviks, Omer Can Karaman +3
Second-harmonic generation microscopy is a powerful technique capable of probing local crystal symmetries and electric fields at interfaces. However, it often suffers from weak sig…
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…
Engineering Photoluminescence with Mie Voids
Yuchao Fu, Ilia Lykov, Sergejs Boroviks +5
Spontaneous emission, as a fundamental radiative process and a versatile information carrier, plays a vital role in light-emitting devices, optical information modulation and encry…
Step Function in Momentum Space by a Metagrating
Mahmoud A. A. Abouelatta, Sergejs Boroviks, Olivier J. F. Martin +1
Metasurface research has shown significant potential for controlling the polarization, amplitude, phase and propagation direction of light. Nevertheless, control over the angular r…
Demonstration of a plasmonic nonlinear pseudo-diode
Sergejs Boroviks, Andrei Kiselev, Karim Achouri +1
We demonstrate a nonlinear plasmonic metasurface that exhibits strongly asymmetric second-harmonic generation: nonlinear scattering is efficient upon excitation in one direction an…
Ultimate limit for optical losses in gold, revealed by quantitative near-field microscopy
Yonas Lebsir, Sergejs Boroviks, Martin Thomaschewski +2
We report thorough measurements of surface plasmon polaritons (SPPs) running along nearly perfect air-gold interfaces formed by atomically flat surfaces of chemically synthesized g…
Extremely confined gap plasmon modes: when nonlocality matters
Sergejs Boroviks, Zhan-Hong Lin, Vladimir A. Zenin +7
Historically, the field of plasmonics has been relying on the framework of classical electrodynamics, with the local-response approximation of material response being applied even…
Brobdingnagian photon bunching in cathodoluminescence of excitons in WS monolayer
Saskia Fiedler, Sergii Morozov, Leonid Iliushyn +7
Cathodoluminescence spectroscopy in conjunction with second-order auto-correlation measurements of allows to extensively study the synchronization of quantum light sources…
Near-field probing of image phonon-polaritons in hexagonal boron nitride on gold crystals
Sergey G. Menabde, Sergejs Boroviks, Jongtae Ahn +7
Near-field mapping has been widely used to study hyperbolic phonon-polaritons in van der Waals crystals. However, an accurate measurement of the polaritonic loss remains challengin…
Anisotropic Second Harmonic Generation From Monocrystalline Gold Flakes
Sergejs Boroviks, Torgom Yezekyan, Álvaro Rodríguez Echarri +5
Noble metals with well-defined crystallographic orientation constitute an appealing class of materials for controlling light-matter interactions on the nanoscale. Nonlinear optical…
Unidirectional single-photon emission from germanium-vacancy zero-phonon lines: Deterministic emitter-waveguide interfacing at plasmonic hot spots
Hamidreza Siampour, Ou Wang, Vladimir A. Zenin +10
Striving for nanometer-sized solid-state single-photon sources, we investigate atom-like quantum emitters based on single germanium vacancy (GeV) centers isolated in crystalline na…
Interference in edge-scattering from monocrystalline gold flakes
Sergejs Boroviks, Christian Wolff, Jes Linnet +6
We observe strongly dissimilar scattering from two types of edges in hexagonal quasi-monocrystalline gold flakes with thicknesses around 1 micron. We identify as the origin the int…
Laser writing of bright colours on near-percolation plasmonic reflector arrays
Alexander S. Roberts, Sergey M. Novikov, Yuanqing Yang +5
Colouration by surface nanostructuring has attracted a great deal of attention by the virtue of making use of environment-friendly recyclable materials and generating non-bleaching…
Multifunctional meta-mirror: polarization splitting and focusing
Sergejs Boroviks, Rucha A. Deshpande, N. Asger Mortensen +1
Metasurfaces are paving the way to improve traditional optical components by integrating multiple functionalities into one optically flat metasurface design. We demonstrate the imp…