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Suppressing Material Loss for Functional Nanophotonics Using Bandgap Engineering
Mingsong Wang, Alex Krasnok, Sergey Lepeshov +6
All-dielectric nanoantennas have recently opened exciting opportunities for functional nanophotonics, owing to their strong optical resonances along with low material loss in the n…
Virtual Optical Pulling Force
Sergey Lepeshov, Alex Krasnok
The tremendous progress in light scattering engineering made it feasible to develop optical tweezers allowing capture, hold, and controllable displacement of submicronsize particle…
Nonradiative to Superscattering Switch with Phase-Change Materials
Sergey Lepeshov, Alex Krasnok, Andrea Alù
Phase-change materials (PCMs) can switch between different crystalline states as a function of an external bias, offering a pronounced change of their dielectric function. In order…
All-optical reconfigurable chiral meta-molecules
Linhan Lin, Sergey Lepeshov, Alex Krasnok +5
Chirality is a ubiquitous phenomenon in the natural world. Many biomolecules without inversion symmetry such as amino acids and sugars are chiral molecules. Measuring and controlli…