[1] Hirao K, Todoroki S, Cho D H, et al. Room-temperature persistent hole burning of Sm2+ in oxide glasses[J]. Opt Lett, 1993, 18(19): 1586-1587.
[2] Mok P H, Tackitt M C, Stoll H M. Storage of 500 high-resolution holograms in a LiNbO3 crystal[J]. Opt Lett, 1991, 16(8): 605-607.
[3] Betzig E, Trautman J K, Wolfe R, et al. Near-field magneto-optics and high density data storage[J]. Applied Physics Letters, 1992, 61(2): 142-144.
[4] Terris B D, Mamin H J, Rugar D, et al. Near-field optical data storage using a solid immersion lens[J]. Applied Physics Letters, 1994, 65(4): 388-390.
[5] Parthenopoulos D A, Rentzepis P M. Three-dimensional optical storage memory[J]. Science, 1989, 245(4920): 843-845.
[6] Wada S, Xia A D, Tashiro H. 3D optical data storage with two-photon induced photooxidation in C60-doped polystyrene film[J]. RIKEN Review, 2002, 49: 52-54.
[9] Yu Junli, Meng Qinglong, Ye Rong, et al. Analysis on damage thresholds of optical rectification crystals under femtosecond lasers[J]. Infrared and Laser Engineering, 2016, 45(1): 0106004. (in Chinese)
[12] Min Gu Daniel Day. Use of continuous-wave illumination for two-photon three-dimensional optical bit data storage in a photobleaching polymer[J]. Optics Letters, 1999, 24(5): 288-290.