6 papers
Intrinsic chirality of dielectric metasurfaces unlocked by resonant chiral modes
Brijesh Kumar, Pavel Tonkaev, Ivan Toftul +7
Controlling optical chirality at the subwavelength scales is essential for many applications of nanophotonic structures in polarization optics, sensing, and nonlinear photonics. Ac…
Nonlinear chiral response governed by meta-atom rotation
Dhruv Hariharan, Pavel Tonkaev, Felix Ulrich Brikh +5
Chiral photonics provides powerful routes for controlling the light handedness, yet nonlinear chiral responses are typically associated with intricate three-dimensional systems. He…
Light matter interaction in van der Waals heterostructures with Mie voids
Zhuoyuan Lu, Kirill Koshelev, Pavel Tonkaev +5
Recently introduced concept of Mie voids allows to enhance the field localization inside air cavities embedded in high-index materials. Mie voids provide an alternative approach to…
Nonlinear chiral response from linearly achiral membrane metasurfaces
Pavel Tonkaev, Yeqi Zhuang, Donghwee Kim +9
Chiral photonics aims to control and engineer light handedness for many applications in optical communications, biological and chemical sensing, and quantum technologies. While tra…
Unconventional high-harmonic generation in resonant membrane metasurfaces
Pavel Tonkaev, Felix Richter, Ivan Toftul +5
High-harmonic generation (HHG) in solids has rapidly emerged as a promising platform for creating compact attosecond sources and probing ultrafast electron dynamics. Resonant metas…
Monoclinic nonlinear metasurfaces for resonant engineering of polarization states
Ivan Toftul, Dhruv Hariharan, Pavel Tonkaev +3
Polarization is a fundamental property of light that can be engineered and controlled efficiently with optical metasurfaces. Here, we employ chiral metasurfaces with monoclinic lat…