Zhihua FAN, Yufei WU, Xiaoyu MA, Shaolin ZHOU. Holographic Phase Switch Based on Phase-change Metasurface[J]. Acta Photonica Sinica, 2022, 51(1): 0151118
- Acta Photonica Sinica
- Vol. 51, Issue 1, 0151118 (2022)
Fig. 1. The meta-atom for geometrical phase regulation using nano-antenna in the MIM architecture
Fig. 2. Process flow of holographic phase design and hologram reconstructions
Fig. 3. Amplitude and phase distributions of electric-field for nano-atom incident by RCP waves（λ=1 550 nm）
Fig. 4. Reflectance of single atom
Fig. 5. The curves of cross-polarized reflectance and polarization conversion rate for amorphous and crystalline states of GST
Fig. 6. The illustration of holographic imaging by optimized geometrical phase regulation
Fig. 7. The simulated far-field diffractive imaging for holographic reconstruction with amorphous GST
Fig. 8. The far-field holographic image under circularly-polarized illuminations with different wavelengths
Fig. 9. Switchable states of holographic images of “on” and “off”
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