[1] [1] D. A. Parthenopoulos, P. Μ. Rentzepis. Three-dimensional optical storage memory. Science, 1989, 245: 843～845

[2] [2] A. S. Dvomikov et al.. Materials and systems for two photai 3-D RCM devices. ΙΕ Ε Transactions on Computers, Packaging, and Manufacturing Technology-Part A. 1997, 20:203～210

[3] [3] Y. Kawata. Use of two. photon absorption in a photorefractive crystal for three-dimensional optical memory. Opt. Lett., 1998, 237:56～758

[4] [4] Ν. I. Koroteev et al.. Two-photon single-beam "bit-by-bit" writing and fluorescent “page-by-page” reading 2.5D femtosecond optical data storage system. Japanese J. Appl. Phys., 1998, 37:2279～2280

[5] [5] Η. Ε. Pudavar et al.. Hgh-density three-dimensional optical data storage in a stacked compact disk format with two-photon writing and single photon readout. Appl. Phys. Lett., 1999, 74:1338～1340