Nanophotonic engineering provides an effective platform to manipulate thermal emission on-
demand, enabling unprecedented heat management superior to conventional bulk …

Controlling emission and absorption, and radiative heat transfer, is important for photonic
energy conversion and thermal management. However, the reciprocal emission and …

The study of magneto-optical absorption has stimulated diverse energy-technology-related
explorations, showing potential in breaking the current theoretical efficiency limits of energy …

Weyl semimetals are topological materials whose electron quasiparticles obey the Weyl
equation. They possess many unusual properties that may lead to new applications. This is …

A body that violates Kirchhoff's law of thermal radiation exhibits an inequality in its spectral
directional absorptivity and emissivity. Achieving such an inequality is of fundamental …

The Landsberg limit represents the ultimate efficiency limit of solar energy harvesting.
Reaching this limit requires the use of nonreciprocal elements. The existing device …

Interaction between light and magnetism in magneto-optical (MO) nanophotonic devices has
been actively studied in the past few years. The recent development of MO all-dielectric …

Kirchhoff's law is the theoretical basis for characterizing thermal radiation. The construction
of nonreciprocal thermal radiation needs to violate Kirchhoff's law, in which its existing …

The almost-complete violation of Kirchhoff's law possesses various potential applications,
such as nonreciprocal thermal emitters, thermal routers, and other logic devices. Recently …

Performance of irreversible radiation is limited by the single polarization and large incident
angles. Given potential applications of nonreciprocal thermal radiation, the implementation …