Fig. 1. The schematic diagram of（a）CR and（b）radiation angle，（c）wavenumber match in an isotropic medium in the generation of CR

Fig. 2. （a）Schematic model of light generation in a nanoscale hole，（b）light CR generation in Ag-dielectric structure with the excitation of the free electron，（c）physical diagram of stimulating CR in multi-layers grapheme，（d）in-plane CR in the grapheme，（e）terahertz radiation generation based on the beam-wave interaction in the periodic graphene ribbons，（f）CR in metallic grating metamaterials，（g）super-radiation in a two-section structure. The DC electron beam is converted into electron bunches in cavity 1，and then stimulates the super-radiant radiation in cavity 2，（h）generation of CR lasing in Fano grating. The CR is transformed into a spatial beam via Brillouin zone folding effect，（i）CR based on BIC in the dielectric grating. The resonance curve with different structural parameters. Inset：the resonant electric field distribution

Fig. 3. （a）Left：the schematic model of RCR. Right：experimental setup based on dipole antenna array，（b）experimental setup of RCR verification proposed by Duan Zhaoyun et al.（c）the schematic diagram of CR in plasmonic materials. CR is excited while the electron moves through the waveguide gap，（d）high-power RCR radiation source for particle acceleration，（e）the schematic model of backward wave oscillator based on RCR effect

Fig. 4. （a）Wavenumber matching of CR in HMM，（b）top：on-chip CR source in Au/Sio₂ HM，（c）physical diagram of CR excited by a dipole in graphene HMM，（d）in-plane CR radiation in a graphene HMM grating，（e）in-plane photon CR in h-BN，（f）low threshold CR in h-BN

Fig. 5. （a）Excitation and manipulation of SPP in a nano-silt array，and the fabricated sample，（b）left：experimental setup of manipulation of SPP and the comparison between the simulation and measured results，（c）top：experimental verification of CR based on phonon polariton in h-BN. Bottom：experimental results

Fig. 6. （a）Manipulation radiation angle by one-dimensional photonic crystal. Left：schematic diagram. Right：electric field distribution in forward radiation pattern，（b）the schematic diagram of CR detector based on Brewster angle filter，（c）electric field distribution，detect sensitivity and schematic diagram CR in a transform optics metamaterial，（d）the schematic of CR in a semi-infinite isotropic medium Si₃N₄ and a semi-infinite uniaxial crystal YVO₄，and time-domain radiation-field distributions with different trajectories and velocities

Fig. 7. （a）Manipulation polarization of SPR based on Babinet metasurface，（b）experimental setup of manipulation of SPR，and the electric distribution of focusing beam，（c）control the angle of SPR by metasurface，（d）dual focal points focusing based on the graphene metasurface，（e）generation of vortex beam based on SPR effect in a helical wire，（f）vortex beam generation based on SPR from a helical grating，（g）generating vortex beam based on the super-SPR effect in a two-section grating