Next-generation 6G communication holds the potential to revolutionize data transfer,
enabling the realization of eXtended Reality (XR) with enhanced sensory experiences. To …

Exceptional points (EPs), unique junctures in non-Hermitian open systems where
eigenvalues and eigenstates simultaneously coalesce, have gained notable attention in …

Terahertz (THz) waves occupy the electromagnetic spectrum between microwave and
infrared radiation, with frequencies typically ranging from 0.1 to 10 THz. Compared with …

Resonances are essential for understanding the interactions between light and matter in
photonic systems. The real frequency response of the non-Hermitian systems depends on …

Quantum heat engines and refrigerators are open quantum systems, whose dynamics can
be well understood using a non-Hermitian formalism. A prominent feature of non-Hermiticity …

Exceptional points (EPs) in non-Hermitian systems have recently emerged as an intriguing
way to manipulate certain physical processes interacting with the external environment …

The phenomenon of simultaneous degeneracy of eigenvalues and eigenstates in non-
Hermitian systems, known as exceptional points (EPs), renders systems in the vicinity of EP …

We propose to achieve a multicolor nonreciprocal optical amplifier, a crucial device in
optical communication and information processing, by spinning an active resonator. We …

The metasurface platform with time-varying characteristics has emerged as a promising
avenue for exploring exotic physics associated with Floquet materials and for designing …

Nanoconfined waters exhibit low static permittivity mainly due to interfacial effects that span
about one nanometer. The characteristic length scale may be much longer in the terahertz …