1. [1] T. Suhara and M. Fujimura, Waveguide nonlinear-optic devices, Springer-Verlag, Berlin, 2003.
2. [2] K. Mizuuchi, A. Morikawa, T. Sugita, and K. Yamamoto, “Electric-field poling in Mg-doped LiNbO3,” J. Appl. Phys., vol. 96, no. 11, pp. 6585–6590, Dec. 2004.
3. [3] H. Ishizuki, I. Shoji, and T. Taira, “Periodical poling characteristics of congruent MgO:LiNbO3 crystals at elevated temperature,” Appl. Phys. Lett., vol. 82, no. 23, pp. 4062–4064, June 2003.
4. [4] T. Suzuki and T. Suhara, “Fabrication of ∼ 1μm period poled structures in MgO:LiNbO3 by bipolar pulse application,” Jpn. J. Appl. Phys., vol. 52, no. 10R, pp. 100204, Oct. 2013.
5. [5] E. Kitado, M. Fujimura, and T. Suhara, “Ultraviolet laser writing of ferroelectric-domain-inverted gratings for MgO:LiNbO3 waveguide quasi-phase-matching devices,” Appl. Phys. Express, vol. 6, no. 10, pp. 102204, Oct. 2013.