The bulk photovoltaic effect (BPVE) occurs in solids with broken inversion symmetry and
refers to DC generation due to uniform illumination, without the need of heterostructures or …

Ferroelectric (FE) materials, which are non-centrosymmetric crystal systems with switchable
polarization characterization, are known to show multifunctional application potential in …

The shift‐current photovoltaics of group‐IV monochalcogenides has been predicted to be
comparable to those of state‐of‐the‐art Si‐based solar cells. However, its exploration has …

Multiferroics are being studied increasingly in applications of photovoltaic devices for the
carrier separation driven by polarization and magnetization. In this work, textured black …

Superconductivity, an emergence of a macroscopic quantum state, gives rise to unique
electromagnetic responses leading to perfect shielding of magnetic field and zero electrical …

We study the Fermi surface contribution to the nonlinear DC photocurrent at quadratic order
in a spatially uniform optical field in the ultraclean limit. In addition to shift and injection …

The photogalvanic effect in ferroelectric (FE) materials attracts considerable interest in solar
cells, polarization-sensitive photodetection, and nonvolatile memory applications. However …

The unique nonreciprocal responses of superconductors, which stem from the Cooper pairs'
quantum condensation, have been attracting attention. Recently, theories of the second …

After the discovery of bulk photovoltaic effect more than half a century ago, ferro-electrical
and magneto-optical experiments have provided insights into various related topics …

The bulk photovoltaic effect (BPE) has drawn considerable attention due to its ability to
generate photovoltages above the bandgap and reports of highly enhanced photovoltaic …