[1] JOHNSON L F, BALLMAN A A. Coherent emission from rare earth ions in electro-optic crystals[J]. Journal of Applied Physics, 1969, 40: 297-302.
[2] ZHAO Li-juan, YANG Jian, XU Jing-jun, et al. Enhancement of Er3+ luminescence in LiNbO3: Mg crystals[J]. Chinese Physics Letters, 2001, 18(9): 1205-1207
[4] CAPMANY J , PEREDA J A. Laser frequency converter for continuous-wave tunable Ti: sapphire lasers based on aperiodically poled LiNbO3: Nd3+[J]. Applied Physics Letters, 2001, 79: 1751-1753.
[5] MYERS L E, ECKARDT R C, FEJER M M, et al. Quasi-phase-matched optical parametric oscillators in bulk periodically poled LiNbO3[J].Journal of the Optical Society of America B, 1995, 12(11): 2102-2116.
[6] CHOU M H, HAUDEN J, AARBORE M A.1.5-μm-band wavelength conversion based on difference-frequency generation in LiNbO3 waveguides with integrated coupling structures[J].Optics Letters, 1998, 23(13) : 1004-1006.
[8] BROOKS R, TOWNSEND P D, HOLE D E, et al. Domain wall width of lithium niobate poled during growth[J].Journal of Physics D: Applied Physics. 2003 , 36: 969-971.
[10] MOHARAM M G, GRANN E B, POMMET D A. Formulation for stable and efficient implementation of the rigorous coupled-wave analysis of binary gratings[J].Journal of the Optical Society of America A-Optics Image Science and Vision, 1995. 12(5): 1069-1076.
[11] LI Li-feng. Use of Fourier series in the analysis of discontinuous periodic structures[J]. Journal of the Optical Society of America A-Optics Image Science and Vision, 1996, 13(9): 1870-1876.
[12] WAN Ling-yu, LU Zhi-yong, LIAO Yang, et al. Study on electro-optical diffraction characteristics of periodically poled lithium niobate based on the rigorous coupled wave theory[J]. Acta Photonica Sinica, 2014, 43(1): 0105001.
[13] CHEN Yun-lin, HE Zhan, BO Zhou. Refractive index modulation in periodically poled MgO-doped congruent LiNbO3 crystal[J]. Applied Physics Letters, 2008, 93: 222902.
[14] GOPALAN V, MITCHELL T E, FURUKAWA Y, et al. The role of nonstoichiometry in 180° domain switching of LiNbO 3 crystals[J]. Applied Physics Letters, 1998, 72: 1981-1983.
[15] WANG Dong-dong, CHEN Yun-lin, LI Bing, et al. Investigation of periodically poled microstructure crystal by grating diffraction[J]. Acta Physica Sinica, 2007, 56(12): 7153-7156.