[1] Gu M, Li X P, Cao Y Y. Optical storage arrays: a perspective for future big data storage[J]. Light: Science & Applications, 3, e177(2014). http://www.nature.com/lsa/journal/v3/n5/abs/lsa201458a.html

[2] David R, John G. -11-19)[2019-03-11]. https:∥www.seagate.com/files/www-content/our-story/trends/files/idc-seagate-dataage-whitepaper.pdf.(2018).

[3] Ruan H, Bu C Y. Multilayer optical storage for big data center: by pre-layered scheme[J]. Proceedings of SPIE, 8913, 891308(2013). http://spie.org/Publications/Proceedings/Paper/10.1117/12.2032302

[4] Ogasawara M, Takahashi K, Nakano Met al. Sixteen-layer write once disc with a separated guide layer[J]. 50(9S1): 09MF01(2011).

[5] Ruan H. Recent advances in holographic data storage[J]. Frontiers of Optoelectronics, 7, 450-466(2014). http://www.opticsjournal.net/Articles/Abstract?aid=OJ150127000048RnUqXt

[6] Tan X D, Hideyoshi H. Collinear holographic information storage technologies and system[J]. Acta Optica Sinica, 26, 827-830(2006).

[7] Xu D Y, Hu H, He L. Multi-wavelength and multi-level optical storage based on photochromic materials[J]. Proceedings of SPIE, 5966, 596607(2005). http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=877445

[8] Xu D Y[M]. Super-density and super-speed optical data storage, 9-46(2009).

[9] Xu D Y[M]. Multi-dimensional optical storage(2017).

[10] Gan Z S, Cao Y Y, Evans R A et al. Three-dimensional deep sub-diffraction optical beam lithography with 9 nm feature size[J]. Nature Communications, 4, 2061(2013). http://europepmc.org/abstract/med/23784312

[11] Li X P, Cao Y Y, Tian N et al. Multifocal optical nanoscopy for big data recording at 30 TB capacity and gigabits/second data rate[J]. Optica, 2, 567-570(2015). http://www.opticsinfobase.org/abstract.cfm?uri=optica-2-6-567

[12] in’t Veld B H, Overmeyer L, Schmidt M et al. . Micro additive manufacturing using ultra short laser pulses[J]. CIRP Annals, 64, 701-724(2015). http://www.sciencedirect.com/science/article/pii/S0007850615001468

[13] Gan Z S, Cao Y Y, Jia B H et al. Dynamic modeling of superresolution photoinduced-inhibition nanolithography[J]. Optics Express, 20, 16871-16879(2012). http://www.opticsinfobase.org/abstract.cfm?uri=oe-20-15-16871

[14] Gleeson M R, Liu S. McLeod R R, et al. Nonlocal photopolymerization kinetics including multiple termination mechanisms and dark reactions: Part I modeling[J]. Journal of the Optical Society of America B, 26, 1736-1745(2009).

[15] Gong Q X, Huang M J, Gu D H et al. Research progress on photopolymers for holographic storage[J]. Journal of Functional Materials, 35, 145-151(2004).

[16] Fischer J, Wegener M. Three-dimensional optical laser lithography beyond the diffraction limit[J]. Laser & Photonics Reviews, 7, 22-44(2013). http://onlinelibrary.wiley.com/doi/10.1002/lpor.201100046/full

[17] Fischer J. 24(10): OP65-OP69[J]. Wegener M. Ultrafast polymerization inhibition by stimulated emission depletion for three-dimensional nanolithography. Advanced Materials(2012).

[18] Wolf T J A, Fischer J, Wegener M et al. . Pump-probe spectroscopy on photoinitiators for stimulated-emission-depletion optical lithography[J]. Optics Letters, 36, 3188-3190(2011). http://europepmc.org/abstract/MED/21847203

[19] Fischer J, von Freymann G, Wegener M. The materials challenge in diffraction-unlimited direct-laser-writing optical lithography[J]. Advanced Materials, 22, 3578-3582(2010). http://europepmc.org/abstract/med/20593434

[20] Park C Y, Ihm S K. Percolation analysis on free radical linear polymerization with instantaneous initiation[J]. Polymer Bulletin, 24, 539-543(1990). http://link.springer.com/article/10.1007/BF00395577

[21] Scott T F, Kowalski B A, Sullivan A C et al. Two-color single-photon photoinitiation and photoinhibition for subdiffraction photolithography[J]. Science, 324, 913-917(2009). http://onlinelibrary.wiley.com/resolve/reference/PMED?id=19359546

[22] Buchegger B, Kreutzer J, Plochberger B et al. Stimulated emission depletion lithography with mercapto-functional polymers[J]. ACS Nano, 10, 1954-1959(2016). http://europepmc.org/abstract/MED/26816204

[23] Venkataiah G, Babu P, Martín I R et al. Spectroscopic studies on Yb 3+-doped tungsten-tellurite glasses for laser applications [J]. Journal of Non-Crystalline Solids, 479, 9-15(2018).

[24] Basavaraja J, Inamdar S R. Suresh Kumar H M. Solvents effect on the absorption and fluorescence spectra of 7-diethylamino-3-thenoylcoumarin: evaluation and correlation between solvatochromism and solvent polarity parameters[J]. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 137, 527-534(2015).

[25] Li L, Gattass R R, Gershgoren E et al. Achieving λ/20 resolution by one-color initiation and deactivation of polymerization[J]. Science, 324, 910-913(2009). http://europepmc.org/abstract/MED/19359543

[26] Fischer J, Mueller J B, Quick A S et al. Exploring the mechanisms in STED-enhanced direct laser writing[J]. Advanced Optical Materials, 3, 221-232(2015). http://onlinelibrary.wiley.com/doi/10.1002/adom.201400413/pdf

[27] Cao Y Y, Xie F, Zhang P D et al. Dual-beam super-resolution direct laser writing nanofabrication technology[J]. Opto-Electronic Engineering, 44, 1133-1145(2017).

[28] Fischer J, Mueller J B, Kaschke J et al. Three-dimensional multi-photon direct laser writing with variable repetition rate[J]. Optics Express, 21, 26244-26260(2013). http://www.ncbi.nlm.nih.gov/pubmed/24216849

[29] Fischer J, Wegener M. Three-dimensional direct laser writing inspired by stimulated-emission-depletion microscopy[Invited][J]. Optical Materials Express, 1, 614-624(2011). http://www.opticsinfobase.org/abstract.cfm?uri=ome-1-4-614