activity
20192021
most citedObservation of topological polaritons and photonic magic angles in twisted van der Waals bi-layers

708 citations · 713 across the 4 of their papers we have counts for

collaborators

7 papers

physics.optics20214 cited

Phyllotaxis-inspired Nanosieves with Multiplexed Orbital Angular Momentum

Zhongwei Jin, David Janoschka, Junhong Deng +15

Nanophotonic platforms such as metasurfaces, achieving arbitrary phase profiles within ultrathin thickness, emerge as miniaturized, ultracompact and kaleidoscopic optical vortex ge…

physics.optics2021

Hybridized hyperbolic surface phonon polaritons at α-MoO3 and polar dielectric interfaces

Qing Zhang, Qingdong Ou, Guangwei Hu +5

Surface phonon polaritons (SPhPs) in polar dielectrics offer new opportunities for infrared nanophotonics due to sub-diffraction confinement with low optical losses. Though the pol…

physics.optics2020

Collective near-field coupling in infrared-phononic metasurfaces for nano-light canalization

Peining Li, Guangwei Hu, Irene Dolado +10

Polaritons, coupled excitations of photons and dipolar matter excitations, can propagate along anisotropic metasurfaces with either hyperbolic or elliptical dispersion. At the tran…

physics.optics2020708 cited

Observation of topological polaritons and photonic magic angles in twisted van der Waals bi-layers

Guangwei Hu, Qingdong Ou, Guangyuan Si +9

Twisted two-dimensional bi-layers offer exquisite control on the electronic bandstructure through the interlayer rotation and coupling, enabling magic-angle flat-band superconducti…

physics.optics2020

Moiré Hyperbolic Metasurfaces

Guangwei Hu, Alex Krasnok, Yarden Mazor +2

Recent advances in twistronics of low-dimensional materials, such as bilayer graphene and transition-metal dichalcogenides, have enabled a plethora of unusual phenomena associated…

physics.optics20191 cited

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…