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Coherently Enhanced Wireless Power Transfer
Alex Krasnok, Denis G. Baranov, Andrey Generalov +2
Extraction of electromagnetic energy by an antenna from impinging external radiation is at the basis of wireless communications and power transfer (WPT). The maximum of transferred…
Spectroscopy and Biosensing with Optically Resonant Dielectric Nanostructures
Alex Krasnok, Martin Caldarola, Nicolas Bonod +1
Resonant dielectric nanoparticles (RDNs) made of materials with large positive dielectric permittivity, such as Si, GaP, GaAs, have become a powerful platform for modern light scie…
Tunable Resonance Coupling in Single Si Nanoparticle-Monolayer WS2 Structures
Sergey Lepeshov, Mingsong Wang, Alex Krasnok +8
Two-dimensional semiconducting transition metal dichalcogenides (TMDCs) are extremely attractive materials for optoelectronic applications in the visible and near-IR range. Here, w…
Coherent Virtual Absorption Based on Complex Zero Excitation for Ideal Light Capturing
Denis G Baranov, Alex Krasnok, Andrea Alù
Absorption of light is directly associated with dissipative processes in a material. In suitably tailored resonators, a specific level of dissipation can support coherent perfect a…
Enhancement of inherent Raman scattering in dielectric nanostructures with electric and magnetic Mie resonances
Kristina Frizyuk, Mehedi Hasan, Alex Krasnok +2
Resonantly enhanced Raman scattering in dielectric nanostructures has been recently proven to be an effcient tool for developing nanothermometry and experimental determination of t…
Nonlinear Metasurfaces: A Paradigm Shift in Nonlinear Optics
Alexander Krasnok, Mykhailo Tymchenko, Andrea Alu
Frequency conversion processes, such as second- and third-harmonic generation, are one of the most common effects in nonlinear optics which offer many opportunities for photonics,…
Boosting the Terahertz Photoconductive Antenna Performance with Optimized Plasmonic Nanostructures
Sergey Lepeshov, Andrei Gorodetsky, Alexander Krasnok +5
Advanced nanophotonics penetrates into other areas of science and technology, ranging from applied physics to biology and resulting in many fascinating cross-disciplinary applicati…
Coherent perfect absorbers: linear control of light with light
Denis G. Baranov, Alex Krasnok, Timur Shegai +2
Absorption of electromagnetic energy by a material is a phenomenon that underlies many applied problems, including molecular sensing, photocurrent generation and photodetection. Co…
All-optical switching and unidirectional plasmon launching with electron-hole plasma driven silicon nanoantennas
Sergey V. Li, Alexander E. Krasnok, Sergey Lepeshov +3
High-index dielectric nanoparticles have become a powerful platform for modern light science, enabling various fascinating applications, especially in nonlinear nanophotonics for w…
All-dielectric nanophotonics: the quest for better materials and fabrication techniques
Denis G. Baranov, Dmitry A. Zuev, Sergey I. Lepeshov +4
All-dielectric nanophotonics is an exciting and rapidly developing area of nanooptics which utilizes the resonant behavior of high-index low-loss dielectric nanoparticles for enhan…