Fig. 1. (a) The molecular structure of azo dye derivative AD4455; (b) Schematic diagram of the molecular photoinduced steering principle(The black long axis represents the direction of incident linear polarization, while the white long axis depicts the alignment direction of AD4455 molecular, and θ is the angle between them)

Fig. 2. (a) Absorption (P) state and transmission (S) state of AD4455 film; (b) Absorption spectrum of AD4455 film in absorption and transmission states, respectively, along with the corresponding DR curve

Fig. 3. (a) Complex refractive index of AD4455 thin film under Berreman transfer matrix; (b) and (c) represent the transmittance and reflectance of the absorption and transmission states of the film before and after the optimization of the material matching curve, respectively (E represents the experimental data; s1 and s2 are the simulated data before and after optimization, respectively)

Fig. 4. (a) 4 possible molecular arrangements of AD4455 thin-film polarizer with a GMR structure; (b) DR corresponding to the 4 structures

Fig. 5. (a) The X-Z plane view of nano-GMR unit; (b) The 3D overview of nano-GMR unit

Fig. 6. Comparison of transmission spectra (absorption state and transmission state) and DR values of nano-guided mode resonance units with different widths. Here, three key heights (20 nm, 80 nm, and 180 nm) were selected to analyze the change trend of DR

Fig. 7. Transmission spectra analysis of AD thin film polarizers with different thicknesses: Comparison of the transmittance and corresponding DR of the absorption state and the transmission state at three typical thicknesses (a) 20 nm, (b) 140 nm, (c) 260 nm