Fig. 1. Schematic diagram of the principle of optical-fiber-controlled PCM and its application.

Fig. 2. Schematic diagrams and geometric parameters of dynamic meta-atom structure: (a) three-dimensional schematic diagram; (b) side view.

Fig. 3. (a) Simulated co- and cross-polarized reflection amplitudes in the light environment; (b) simulated co- and cross-polarized reflection amplitudes and reflection phases in the dark environment; (c) calculated polarization conversion ratio for LTL polarization conversion; (d) calculated axial ratio for LTC polarization conversion.

Fig. 4. Under u- and v-polarized waves incidence: (a), (b) simulated reflection amplitude and phase in the light environment; (c), (d) simulated reflection amplitude and phase in the dark environment.

Fig. 5. Surface current distributions and analysis of meta-atom in different environments: (a), (b) LTL polarization conversion; (c)–(f) LTC polarization conversion.

Fig. 6. (a) Experimental sample diagram; (b) light propagation path diagram through optical fiber guidance; (c) diagram of S-parameter experimental measurement devices; (d) the measured reflection amplitude in the light environment; (e) the measured reflection amplitude and phase difference in the dark environment.

Fig. 7. EM response of the meta-atom structure with and without optical fiber: (a) simulated reflection amplitude in the light environment; (b), (c) simulated reflection amplitude and reflection phase in the dark environment.

Fig. 8. EM response of the meta-atom structure under different resistance values: (a), (b) simulated reflection amplitude; (c), (d) simulated reflection phase.