Fig. 1. Different types of holographic data storage devices

Fig. 2. Gold nanoparticles doped polymer，its performance and experimental results of dynamic holographic reconstruction^［66］

Fig. 3. Five different reference patterns and their pixel-shift selectivity simulation results and impulse response simulation results for a point located at the center of the signal plane^［74］

Fig. 4. Schematic diagram of 3D shift multiplexed self-reference holographic data storage technology^［75］

Fig. 5. Conceptual diagram of encryption methods and high-density recording coaxial optical setup^［115］

Fig. 6. Schematic diagram of the experimental setup and experimental results of implementing four reconstructed images using a binary Hadamard matrix^［69］

Fig. 7. Relationship among SNR，SER and number of multiplexing^［118］

Fig. 8. Images reconstructed in four-channel holographic image recording^［88］

Fig. 9. The principle of polarization holography multiplexing，the experimental setup for three-channel polarization multiplexing and experimental results of three- and five- channel polarization multiplexing^［89］

Fig. 10. Construction of polarization combination orthogonal matrix and experimental results applied to polarization multiplexing^［90-91］