[1] [1] K. Noguchi, H. Miyazawa, O. Mitomi. 75 GHz broadband Ti∶LiNbO3 optical modulator with ridge structure [J]. Electron. Lett., 1994, 30(12):949～951

[2] [2] C. M. Kim, R. V. Ramaswamy. Overlap integral factors in integrated optic modulators and switches [J]. J. Lightwave Technol., 1989, 7(7):1063～1070

[3] [3] Chen Fushen. Theory and Technology of Integrated Electro-optic Modulations [M]. Beijing: New Times Press, 1995. 135～145 (in Chinese)

[4] [4] S. J. Chang, C. L. Tsai, W. S. Wang et al.. Improved electrooptic modulator with ridge structure in X-cut LiNbO3 [J]. J. Lightwave Technol., 1999, 17(5):843～847

[5] [5] C. Wei, R. F. Harringto, J. R. Mautz et al.. Multiconductor transmission lines in the presence of a dielectric media [J]. IEEE MTT, 1984, 32(4):439～450

[6] [6] R. C. Alferness. Waveguide electrooptic modulators [J]. IEEE MTT, 1982, 30(8):1121～1137

[7] [7] R. S. Cheng, T. J. Wang, W. S. Wang. Wet-etched ridge waveguides in y-cut lithium niobate [J]. J. Lightwave Technol., 1997, 15(10):1880～1885