[3] Rakuljic G A, Leyva V. Optical data storage by using orthogonal wavelength-multiplexed volume holograms[J]. Opt. Lett., 1992, 17(20): 1471～1473

[4] Campbell S, Yi X M, Yeh P C. Hybrid sparse-wavelength angle-multiplexed optical data storage system[J]. Opt. Lett., 1994, 19(24): 2161～2163

[7] Qi G S， Mai X S, Jiang P J et al.. Experimental study on reading and writing characteristic of three-wavelength photochromic storage material[C]. Proc. SPIE, 2002, 4930: 129～133

[8] Tsujioka T, Shimizu Y, Irie M. Crosstalk in photon-mode photochromic multi-wavelength recording[J]. Jpn. J. Appl. Phys., 1994, 33: 1914～1919

[9] Zhang F S, Guo H B, Pu S Z et al.. Diarylethene materials for photon-mode optical storage[C]. Proc. SPIE, 2002, 4930: 93～104

[10] Mai X S, Xu D Y, Qi G S et al.. Writing process of multiwavelength photochromic storage[C]. Proc. SPIE, 2002, 4930: 301～306

[11] Lei M, Yao B L, Chen Y et al.. Experimental investigation of parallel optical data storage using pyrrylfulgide photochromic material[J]. Chinese Science Bulletin, 2003, 48(15): 1548～1550

[12] Yokoyama Y. Fulgide for memories and switches[J]. Chem. Rev., 2000, 100: 1717～1739