Resonant mode conversions in partially parity-time (PT)-symmetric multimode waveguides
are investigated. First, the symmetry breaking and degeneracy splitting of linear eigenmodes …

We demonstrate all-optical spatial mode-cleaning in non-Hermitian waveguides. The effect
is accounted by a unidirectional coupling among the modes resulting from a simultaneous …

Mode selecting plays a vital role in the field of optoelectronics, such as optical
communication, signal processing, on-chip light manipulation, mode conversion, and …

We unveil a new scenario for the formation of dissipative localised structures in nonlinear
systems. Commonly, the formation of such structures arises from the connection of a …

We investigated the impact of Non-Hermitian gravitational potentials on the spatial
distribution of Bose-Einstein condensate (BEC) wave functions. Through numerical solutions …