7 citations · 15 across the 4 of their papers we have counts for
10 papers
Extremize Optical Chiralities through Polarization Singularities
Weijin Chen, Qingdong Yang, Yuntian Chen +1
Chiral optical effects are generally quantified along some specific incident directions of exciting waves (especially for extrinsic chiralities of achiral structures) or defined as…
Arbitrary Polarization-Independent Backscattering or Reflection by Rotationally-Symmetric Reciprocal Structures
Weijin Chen, Qingdong Yang, Yuntian Chen +1
We study the backward scatterings of plane waves by reciprocal scatterers and reveal that -fold () rotation symmetry is sufficient to secure invariant backscattering for…
Ideal Kerker scattering by homogeneous spheres: the role of gain or loss
Qingdong Yang, Weijin Chen, Yuntian Chen +1
We reexamine a recent work [Phys. Rev. Lett. \textbf{125}, 073205 (2020)] that investigates how the optical gain or loss (characterized by isotropic complex refractive indexes) inf…
Scattering invariance for arbitrary polarizations protected by joint spatial-duality symmetries
Qingdong Yang, Weijin Chen, Yuntian Chen +1
We reveal how to exploit joint spatial-electromagnetic duality symmetries to obtain invariant scattering properties (including extinction, scattering, absorption) of self-dual scat…
Symmetry Protected Invariant Scattering Properties for Arbitrary Polarizations
Qingdong Yang, Weijin Chen, Yuntian Chen +1
Polarization independent Mie scattering of building blocks is foundational for constructions of optical systems with robust functionalities. Conventional studies for such polarizat…
Scattering and absorption invariance of nonmagnetic particles under duality transformations
Qingdong Yang, Weijin Chen, Yuntian Chen +1
We revisit the total scatterings (in terms of extinction, scattering and absorption cross sections) by arbitrary clusters of nonmagnetic particles that support optically-induced ma…