Featured Application Plasmonic nanolasers use nanowires to integrate working materials
and resonators. Surface plasmas can break through the optical diffraction limit; therefore …

We investigate the topological bound modes in a binary optical waveguide array with anti-
parity-time (PT) symmetry. The anti-PT-symmetric arrays are realized by incorporating …

We investigate the topological edge modes in a rhombic waveguide array with imaginary
coupling, which is realized by incorporating auxiliary waveguide between the coupled …

We studied the topological properties of an extended Su–Schrieffer–Heeger (SSH) model
composed of a binary waveguide array with alternating real and imaginary couplings. The …

We investigate the topological bound modes in a binary waveguide array with alternating
positive and negative couplings. The negative coupling is realized by incorporating …

The advance of topological photonics has heralded a revolution for manipulating light as
well as for the development of novel photonic devices such as topological insulator lasers …

We investigate the light propagation in a double-waveguide coupler with imaginary-valued
coupling coefficient. The imaginary coupling is realized by incorporating an additional …

We investigate the exceptional points (EPs) in plasmonic waveguide arrays, including
metallic waveguide arrays (MWAs) and graphene sheet arrays (GSAs). The EPs emerge at …

We investigate the lateral shift of optical beam in complex dielectric multilayers with nearly
parity–time (PT) symmetry. The gain and loss of dielectrics are modulated to achieve nearly …

We investigate the energy transfer of surface plasmon polaritons (SPPs) based on adiabatic
passage in a non-Hermitian waveguide composed of three coupled graphene sheets. The …