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Nonlinearity-induced optical torque
Ivan Toftul, Gleb Fedorovich, Denis Kislov +4
Optically-induced mechanical torque leading to the rotation of small objects requires the presence of absorption or breaking cylindrical symmetry of a scatterer. A spherical non-ab…
Bound states in the continuum in photonic structures
Kirill Koshelev, Zarina Sadrieva, Alexey Shcherbakov +2
Bound states in the continuum provide a remarkable example of how a simple problem solved about a century ago in quantum mechanics can drive the research on a whole spectrum of res…
Dielectric Mie Voids: Confining Light in Air
Mario Hentschel, Kirill Koshelev, Florian Sterl +6
Manipulating light on the nanoscale has become a central challenge in metadevices, resonant surfaces, nanoscale optical sensors, and many more, and it is largely based on resonant…
Resonant chiral effects in nonlinear dielectric metasurfaces
Kirill Koshelev, Yutao Tang, Zixian Hu +3
We study the resonant enhancement of linear and nonlinear chiroptical effects in asymmetric silicon metasurfaces supporting multipolar Mie resonances and quasi-bound states in the…