The recent discovery of liquid-matter ferroelectrics not only opens a door to explore novel
polar matter states and properties in the term of condensed matter physics but also provides …

Ferroelectric nematic liquid crystals are polar fluids characterized by microscopic
orientational ordering and macroscopic spontaneous polarizations. Within these fluids …

Polarization entanglement holds significant importance for photonic quantum technologies.
Recently emerging subwavelength nonlinear quantum light sources, eg, GaP and LiNbO 3 …

Second-order nonlinearity gives rise to many distinctive physical phenomena, eg, second-
harmonic generation, which play an important role in fundamental science and various …

Metasurfaces are highly effective at manipulating classical light in the linear regime;
however, effectively controlling the polarization of nonclassical light generated from …

The switching properties of nematic liquid crystals under electrical and mechanical stresses
play a fundamental role in the design and fabrication of electro-optical devices. Depending …

Ferroelectric nematic liquid crystals exhibit unique non-linear optical properties, with the
potential to become transformative materials for photonic applications. A promising direction …

The discovery of fluid states of matter with spontaneous bulk polar order is appreciated as a
major discovery in the fields of soft matter and liquid crystals. Typically, this manifests as …

We show that stable, freely suspended liquid crystal films can be made from the ferroelectric
nematic (NF) phase and from the recently discovered polar, lamellar SmZA and SmAF …

The recent discovery of ferroelectric nematic liquid crystalline phases marks a major
breakthrough in soft matter research. An intermediate phase, often observed between the …