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A novel multi-dimensional (MD) optical storage was presented, which was realized by utilizing the space between tracks. Based on scalar diffraction theory, the channel bits parameters of the multi-dimensional optical storage were optimized, and the linear and nonlinear signals were analyzed accurately. Therefore, the format of the multi-dimensional optical disc was obtained, which makes the detection...
In this paper, a photon-mode multi-level optical storage method in photochromic diarylethene optical disc is firstly investigated to our knowledge. The reflectivity of photochromic materials varies nonlinearly with the exposure energy, which is used for multi-level optical storage. Eight-level optical storage of amplitude modulation is experimentally realized in a diarylethene optical disc. The 650nm...
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